TY  - CONF
AU  - Ribić, Vesna
AU  - Rečnik, Aleksander
AU  - Kokalj, Anton
AU  - Dražić, Goran
AU  - Podlogar, Matejka
AU  - Daneu, Nina
AU  - Komelj, Matej
AU  - Luković Golić, Danijela
AU  - Branković, Zorica
AU  - Branković, Goran
PY  - 2018
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/2434
AB  - Zinc oxide is an important semiconducting material that finds wide ranging applications. There has been considerable interest in ZnO as a low cost, non-toxic and highly stable thermoelectric. In order to enhance its properties for these purposes it is frequently doped with other compounds, usually oxides. Special impact on the improvement of TE properties in doped ZnO have planar defects. So far it  is well known that certain dopants trigger formation of inversion boundary (IB) in wurtzite structure of ZnO. These planar defects are interesting because they affect material properties and morphology of grains. In our study we investigated structure and chemistry of basal plane inversion boundaries in polycrystalline ZnO using conventional transmission electron microscopy and high-resolution electron microscopy. Based on HRTEM images we reconstructed models of IBs that are formed in addition of In, Sn and Sb as dopants. IBs can also be found in pyramidal planes and can be classified as head-to-head (→│←) or tail-to-tail (←│→) configuration depending on the orientation of the polar c-axis. By defining the zinc planes as A, B, or C and the oxygen planes as α, β or γ the perfect ZnO crystal structure has the AαBβAαBβ stacking sequence. Translation obtained from images is compared with three different, so far known, types of the head-to-head IB translations with octahedral coordination of cations at IB-plane: (i) IB with βγβγ׀α׀βαβα stacking of the cation sublattice, as observed with Sb doping1, (ii) IB with αγαγ׀α׀βαβα, as observed with In, Fe and Sn2 doping and (iii) IB with βαβα׀γ׀βαβα as observed with Mn3 doping (Figure 1). The generated models were examined in terms of stability by DFT calculations implemented in the Quantum-Espresso package.
PB  - Vinča Institute of Nuclear Sciences, University of Belgrade, Belgrade Hydrogen Economy Initiative Serbia, Belgrade, Belgrade, Serbia
C3  - PROGRAMME AND THE BOOK OF ABSTRACTS / 3rd International Symposium on Materials for Energy Storage and Conversion - mESC-IS 2018
T1  - Structural characterization of Inversion Boundaries in Doped ZnO
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_2434
ER  - 

@conference{
author = "Ribić, Vesna and Rečnik, Aleksander and Kokalj, Anton and Dražić, Goran and Podlogar, Matejka and Daneu, Nina and Komelj, Matej and Luković Golić, Danijela and Branković, Zorica and Branković, Goran",
year = "2018",
abstract = "Zinc oxide is an important semiconducting material that finds wide ranging applications. There has been considerable interest in ZnO as a low cost, non-toxic and highly stable thermoelectric. In order to enhance its properties for these purposes it is frequently doped with other compounds, usually oxides. Special impact on the improvement of TE properties in doped ZnO have planar defects. So far it  is well known that certain dopants trigger formation of inversion boundary (IB) in wurtzite structure of ZnO. These planar defects are interesting because they affect material properties and morphology of grains. In our study we investigated structure and chemistry of basal plane inversion boundaries in polycrystalline ZnO using conventional transmission electron microscopy and high-resolution electron microscopy. Based on HRTEM images we reconstructed models of IBs that are formed in addition of In, Sn and Sb as dopants. IBs can also be found in pyramidal planes and can be classified as head-to-head (→│←) or tail-to-tail (←│→) configuration depending on the orientation of the polar c-axis. By defining the zinc planes as A, B, or C and the oxygen planes as α, β or γ the perfect ZnO crystal structure has the AαBβAαBβ stacking sequence. Translation obtained from images is compared with three different, so far known, types of the head-to-head IB translations with octahedral coordination of cations at IB-plane: (i) IB with βγβγ׀α׀βαβα stacking of the cation sublattice, as observed with Sb doping1, (ii) IB with αγαγ׀α׀βαβα, as observed with In, Fe and Sn2 doping and (iii) IB with βαβα׀γ׀βαβα as observed with Mn3 doping (Figure 1). The generated models were examined in terms of stability by DFT calculations implemented in the Quantum-Espresso package.",
publisher = "Vinča Institute of Nuclear Sciences, University of Belgrade, Belgrade Hydrogen Economy Initiative Serbia, Belgrade, Belgrade, Serbia",
journal = "PROGRAMME AND THE BOOK OF ABSTRACTS / 3rd International Symposium on Materials for Energy Storage and Conversion - mESC-IS 2018",
title = "Structural characterization of Inversion Boundaries in Doped ZnO",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_2434"
}

Ribić, V., Rečnik, A., Kokalj, A., Dražić, G., Podlogar, M., Daneu, N., Komelj, M., Luković Golić, D., Branković, Z.,& Branković, G.. (2018). Structural characterization of Inversion Boundaries in Doped ZnO. in PROGRAMME AND THE BOOK OF ABSTRACTS / 3rd International Symposium on Materials for Energy Storage and Conversion - mESC-IS 2018
Vinča Institute of Nuclear Sciences, University of Belgrade, Belgrade Hydrogen Economy Initiative Serbia, Belgrade, Belgrade, Serbia..
https://hdl.handle.net/21.15107/rcub_rimsi_2434

Ribić V, Rečnik A, Kokalj A, Dražić G, Podlogar M, Daneu N, Komelj M, Luković Golić D, Branković Z, Branković G. Structural characterization of Inversion Boundaries in Doped ZnO. in PROGRAMME AND THE BOOK OF ABSTRACTS / 3rd International Symposium on Materials for Energy Storage and Conversion - mESC-IS 2018. 2018;.
https://hdl.handle.net/21.15107/rcub_rimsi_2434 .

Ribić, Vesna, Rečnik, Aleksander, Kokalj, Anton, Dražić, Goran, Podlogar, Matejka, Daneu, Nina, Komelj, Matej, Luković Golić, Danijela, Branković, Zorica, Branković, Goran, "Structural characterization of Inversion Boundaries in Doped ZnO" in PROGRAMME AND THE BOOK OF ABSTRACTS / 3rd International Symposium on Materials for Energy Storage and Conversion - mESC-IS 2018 (2018),
https://hdl.handle.net/21.15107/rcub_rimsi_2434 .

TY  - CONF
AU  - Ribić, Vesna
AU  - Rečnik, Aleksander
AU  - Dražić, Goran
AU  - Komelj, Matej
AU  - kokalj, Anton
AU  - Podlogar, Matejka
AU  - Daneu, Nina
AU  - Bernik, Slavko
AU  - Radošević, Tina
AU  - Luković Golić, Danijela
AU  - Branković, Zorica
AU  - Branković, Goran
PY  - 2017
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/2463
AB  - Various dopants are known to produce inversion boundaries (IBs) in ZnO, causing polarity inversion across the interface. These are found either in basal or pyramidal planes and can be of head-to-head or tail-to-tail configuration with respect to the orientation of the polar c-axis. The dopants, known to produce IBs in ZnO are: In2O3, Fe2O3, Mn2O3, Ga2O3, SiO2, SnO2, TiO2 and Sb2O3. While some of IBs have been studied in detail, many IB structures remain unresolved. In our study we investigated structure and chemistry of basal plane inversion boundaries in SnO2-doped ZnO. The formation of IBs in this system was first reported by Daneu et al. (2000)1 and using high-resolution transmission electron microscopy the same group attempted to solve structure and chemistry of Sn-rich IBs.2 Implementing an innovative analytical approach based on acquiring multiple EDS spectra with concentric electron probes they showed that Sn4+ ions do not occupy the full IB layer, but rather one half of the layer. This suggested an average oxidation state of III+ for the cations comprising the IB plane. Based on electron micro-diffraction and HRTEM study Daneu et al.1,2 reported that Sn-rich IBs are head-to-head oriented with interfacial cations located in trigonal prismatic sites, however, the exact atomic arrangement of Sn along IB has not been determined. To identify the translation state and atomic arrangement on Sn-rich IBs in ZnO we performed quantitative HRTEM and HAADF-STEM analysis of SnO2-doped ZnO/Bi2O3 ceramics. IBs in ZnO grains were observed for two low-index orientations, [100] and [120], to obtain a 3D information on the translation state of the IB plane. The coordination site of interfacial cations was shown to be octahedral.
472
Translation obtained from images is compared with three different, so far known, types of the head-to-head IB translations with octahedral coordination of cations at IB-plane: (i) IB with stacking of the cation sublattice, as observed with Sb doping, (ii) IB with, as observed with In and Fe doping and (iii) IB with as observed with Mn doping. For Sn-doped ZnO translations turned out to be (ii) , the same as the one occurring in In- and Fe-doped ZnO. Based on experimental observations of local atomic arrangement, HRTEM and HAADF-STEM image simulations were performed for two different in-plane distributions of Sn and Zn atoms, to better understand experimental image contrast on IBs. The generated models will be further used for ab-initio calculations aimed at determining the electronic structure of IBs.
PB  - Ruđer Bošković Institute and Croatian Microscopy Society, Rovinj (Croatia)
C3  - 13th Multinational Congress on Microscopy, Rovinj, Croatia, 2017
T1  - TEM study of basal-plane inversion boundaries in Sn‐Doped ZnO
SP  - 471
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_2463
ER  - 

@conference{
author = "Ribić, Vesna and Rečnik, Aleksander and Dražić, Goran and Komelj, Matej and kokalj, Anton and Podlogar, Matejka and Daneu, Nina and Bernik, Slavko and Radošević, Tina and Luković Golić, Danijela and Branković, Zorica and Branković, Goran",
year = "2017",
abstract = "Various dopants are known to produce inversion boundaries (IBs) in ZnO, causing polarity inversion across the interface. These are found either in basal or pyramidal planes and can be of head-to-head or tail-to-tail configuration with respect to the orientation of the polar c-axis. The dopants, known to produce IBs in ZnO are: In2O3, Fe2O3, Mn2O3, Ga2O3, SiO2, SnO2, TiO2 and Sb2O3. While some of IBs have been studied in detail, many IB structures remain unresolved. In our study we investigated structure and chemistry of basal plane inversion boundaries in SnO2-doped ZnO. The formation of IBs in this system was first reported by Daneu et al. (2000)1 and using high-resolution transmission electron microscopy the same group attempted to solve structure and chemistry of Sn-rich IBs.2 Implementing an innovative analytical approach based on acquiring multiple EDS spectra with concentric electron probes they showed that Sn4+ ions do not occupy the full IB layer, but rather one half of the layer. This suggested an average oxidation state of III+ for the cations comprising the IB plane. Based on electron micro-diffraction and HRTEM study Daneu et al.1,2 reported that Sn-rich IBs are head-to-head oriented with interfacial cations located in trigonal prismatic sites, however, the exact atomic arrangement of Sn along IB has not been determined. To identify the translation state and atomic arrangement on Sn-rich IBs in ZnO we performed quantitative HRTEM and HAADF-STEM analysis of SnO2-doped ZnO/Bi2O3 ceramics. IBs in ZnO grains were observed for two low-index orientations, [100] and [120], to obtain a 3D information on the translation state of the IB plane. The coordination site of interfacial cations was shown to be octahedral.
472
Translation obtained from images is compared with three different, so far known, types of the head-to-head IB translations with octahedral coordination of cations at IB-plane: (i) IB with stacking of the cation sublattice, as observed with Sb doping, (ii) IB with, as observed with In and Fe doping and (iii) IB with as observed with Mn doping. For Sn-doped ZnO translations turned out to be (ii) , the same as the one occurring in In- and Fe-doped ZnO. Based on experimental observations of local atomic arrangement, HRTEM and HAADF-STEM image simulations were performed for two different in-plane distributions of Sn and Zn atoms, to better understand experimental image contrast on IBs. The generated models will be further used for ab-initio calculations aimed at determining the electronic structure of IBs.",
publisher = "Ruđer Bošković Institute and Croatian Microscopy Society, Rovinj (Croatia)",
journal = "13th Multinational Congress on Microscopy, Rovinj, Croatia, 2017",
title = "TEM study of basal-plane inversion boundaries in Sn‐Doped ZnO",
pages = "471",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_2463"
}

Ribić, V., Rečnik, A., Dražić, G., Komelj, M., kokalj, A., Podlogar, M., Daneu, N., Bernik, S., Radošević, T., Luković Golić, D., Branković, Z.,& Branković, G.. (2017). TEM study of basal-plane inversion boundaries in Sn‐Doped ZnO. in 13th Multinational Congress on Microscopy, Rovinj, Croatia, 2017
Ruđer Bošković Institute and Croatian Microscopy Society, Rovinj (Croatia)., 471.
https://hdl.handle.net/21.15107/rcub_rimsi_2463

Ribić V, Rečnik A, Dražić G, Komelj M, kokalj A, Podlogar M, Daneu N, Bernik S, Radošević T, Luković Golić D, Branković Z, Branković G. TEM study of basal-plane inversion boundaries in Sn‐Doped ZnO. in 13th Multinational Congress on Microscopy, Rovinj, Croatia, 2017. 2017;:471.
https://hdl.handle.net/21.15107/rcub_rimsi_2463 .

Ribić, Vesna, Rečnik, Aleksander, Dražić, Goran, Komelj, Matej, kokalj, Anton, Podlogar, Matejka, Daneu, Nina, Bernik, Slavko, Radošević, Tina, Luković Golić, Danijela, Branković, Zorica, Branković, Goran, "TEM study of basal-plane inversion boundaries in Sn‐Doped ZnO" in 13th Multinational Congress on Microscopy, Rovinj, Croatia, 2017 (2017):471,
https://hdl.handle.net/21.15107/rcub_rimsi_2463 .

TY  - JOUR
AU  - Luković Golić, Danijela
AU  - Ćirković, Jovana
AU  - Šćepanović, Maja
AU  - Srećković, Tatjana
AU  - Longo, Elson
AU  - Varela, JA
AU  - Daneu, Nina
AU  - Stamenković, V.
AU  - Branković, Goran
AU  - Branković, Zorica
PY  - 2014
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/757
AB  - Nano- (30-60 nm) and submicron (100-350 nm) ZnO particles were synthesized using solvothermal method at 200 degrees C from an ethanolic solution of zinc acetate dihydrate, applying different reaction conditions, i.e., pH value of precursor and time of the reaction. The X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), UV-vis diffuse reflectance (DR), Raman spectroscopy, and photoluminescence (PL) spectroscopy have been employed for characterization of synthesized ZnO powders. It was shown that the structural, morphological, and optical properties are largely determined by reaction conditions during solvothermal synthesis. The particle crystallinity improves with the decrease of pH value and/or the increase of time of the reaction. The Raman and PL spectra analyses indicate that the oxygen interstitials are dominant intrinsic defects in solvothermally synthesized ZnO powders. It was observed that concentration of defects in wurtzite ZnO crystal lattices slightly changes with the variation of pH value of the precursor and time of the solvothermal reaction. The correlation between structural ordering and defect structure of particles and corresponding growth processes was discussed.
PB  - Springer, Dordrecht
T2  - Journal of Nanoparticle Research
T1  - The modification of structural and optical properties of nano- and submicron ZnO powders by variation of solvothermal syntheses conditions
IS  - 10
VL  - 16
DO  - 10.1007/s11051-014-2670-1
ER  - 

@article{
author = "Luković Golić, Danijela and Ćirković, Jovana and Šćepanović, Maja and Srećković, Tatjana and Longo, Elson and Varela, JA and Daneu, Nina and Stamenković, V. and Branković, Goran and Branković, Zorica",
year = "2014",
abstract = "Nano- (30-60 nm) and submicron (100-350 nm) ZnO particles were synthesized using solvothermal method at 200 degrees C from an ethanolic solution of zinc acetate dihydrate, applying different reaction conditions, i.e., pH value of precursor and time of the reaction. The X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), UV-vis diffuse reflectance (DR), Raman spectroscopy, and photoluminescence (PL) spectroscopy have been employed for characterization of synthesized ZnO powders. It was shown that the structural, morphological, and optical properties are largely determined by reaction conditions during solvothermal synthesis. The particle crystallinity improves with the decrease of pH value and/or the increase of time of the reaction. The Raman and PL spectra analyses indicate that the oxygen interstitials are dominant intrinsic defects in solvothermally synthesized ZnO powders. It was observed that concentration of defects in wurtzite ZnO crystal lattices slightly changes with the variation of pH value of the precursor and time of the solvothermal reaction. The correlation between structural ordering and defect structure of particles and corresponding growth processes was discussed.",
publisher = "Springer, Dordrecht",
journal = "Journal of Nanoparticle Research",
title = "The modification of structural and optical properties of nano- and submicron ZnO powders by variation of solvothermal syntheses conditions",
number = "10",
volume = "16",
doi = "10.1007/s11051-014-2670-1"
}

Luković Golić, D., Ćirković, J., Šćepanović, M., Srećković, T., Longo, E., Varela, J., Daneu, N., Stamenković, V., Branković, G.,& Branković, Z.. (2014). The modification of structural and optical properties of nano- and submicron ZnO powders by variation of solvothermal syntheses conditions. in Journal of Nanoparticle Research
Springer, Dordrecht., 16(10).
https://doi.org/10.1007/s11051-014-2670-1

Luković Golić D, Ćirković J, Šćepanović M, Srećković T, Longo E, Varela J, Daneu N, Stamenković V, Branković G, Branković Z. The modification of structural and optical properties of nano- and submicron ZnO powders by variation of solvothermal syntheses conditions. in Journal of Nanoparticle Research. 2014;16(10).
doi:10.1007/s11051-014-2670-1 .

Luković Golić, Danijela, Ćirković, Jovana, Šćepanović, Maja, Srećković, Tatjana, Longo, Elson, Varela, JA, Daneu, Nina, Stamenković, V., Branković, Goran, Branković, Zorica, "The modification of structural and optical properties of nano- and submicron ZnO powders by variation of solvothermal syntheses conditions" in Journal of Nanoparticle Research, 16, no. 10 (2014),
https://doi.org/10.1007/s11051-014-2670-1 . .

TY  - CONF
AU  - Luković Golić, Danijela
AU  - Branković, Zorica
AU  - Daneu, Nina
AU  - Rečnik, Aleksander
AU  - Branković, Goran
PY  - 2013
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/2486
AB  - Mesocrystals represent a new class of nanostructured materials, made of crystallographically aligned nanoparticles. Due to their unique structural features they have many physicochemical properties, different from nanoparticulate materials and single crystal materials, which can provide better performance in some applications. Zinc oxide mesocrystals have been synthesized by the solvothermal method at 200 °C during 4 hours from slightly basic (pH = 8) precursor (ethanolic zinc acetate solution in the presence of lithium hydroxide). XRD analysis showed that precursor solution consists of zinc acetate and zinc-hydroxy-acetate. Structural and microstructural properties were analyzed using X-ray diffraction, field emission scanning electron microscopy and transmission electron microscopy. ZnO mesocrystals are hexagonal prisms with diameters of 80 – 200 nm and lengths of 100 – 200 nm, but several larger prisms have a hole in the center. Based on characterization results we have discussed the growth mechanism of ZnO mesocrystals. Dipolar nature of ZnO and planar structure of zinc-hydroxy-acetate with free position of the acetate ions between positively charge planes play crucial role in the formation of the ZnO mesocrystals during the solvothermal reaction.
PB  - Institut za multidisciplinarna istraživanja, Kneza Višeslava 1, 11000 Belgrade, Serbia
C3  - 2nd Conference of the Serbian Ceramic Society, June 5-7, 2013, Belgrade, Serbia, 2CSCS-2013
T1  - ZnO mesocrystals from solvothermal synthesis
SP  - 63
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_2486
ER  - 

@conference{
author = "Luković Golić, Danijela and Branković, Zorica and Daneu, Nina and Rečnik, Aleksander and Branković, Goran",
year = "2013",
abstract = "Mesocrystals represent a new class of nanostructured materials, made of crystallographically aligned nanoparticles. Due to their unique structural features they have many physicochemical properties, different from nanoparticulate materials and single crystal materials, which can provide better performance in some applications. Zinc oxide mesocrystals have been synthesized by the solvothermal method at 200 °C during 4 hours from slightly basic (pH = 8) precursor (ethanolic zinc acetate solution in the presence of lithium hydroxide). XRD analysis showed that precursor solution consists of zinc acetate and zinc-hydroxy-acetate. Structural and microstructural properties were analyzed using X-ray diffraction, field emission scanning electron microscopy and transmission electron microscopy. ZnO mesocrystals are hexagonal prisms with diameters of 80 – 200 nm and lengths of 100 – 200 nm, but several larger prisms have a hole in the center. Based on characterization results we have discussed the growth mechanism of ZnO mesocrystals. Dipolar nature of ZnO and planar structure of zinc-hydroxy-acetate with free position of the acetate ions between positively charge planes play crucial role in the formation of the ZnO mesocrystals during the solvothermal reaction.",
publisher = "Institut za multidisciplinarna istraživanja, Kneza Višeslava 1, 11000 Belgrade, Serbia",
journal = "2nd Conference of the Serbian Ceramic Society, June 5-7, 2013, Belgrade, Serbia, 2CSCS-2013",
title = "ZnO mesocrystals from solvothermal synthesis",
pages = "63",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_2486"
}

Luković Golić, D., Branković, Z., Daneu, N., Rečnik, A.,& Branković, G.. (2013). ZnO mesocrystals from solvothermal synthesis. in 2nd Conference of the Serbian Ceramic Society, June 5-7, 2013, Belgrade, Serbia, 2CSCS-2013
Institut za multidisciplinarna istraživanja, Kneza Višeslava 1, 11000 Belgrade, Serbia., 63.
https://hdl.handle.net/21.15107/rcub_rimsi_2486

Luković Golić D, Branković Z, Daneu N, Rečnik A, Branković G. ZnO mesocrystals from solvothermal synthesis. in 2nd Conference of the Serbian Ceramic Society, June 5-7, 2013, Belgrade, Serbia, 2CSCS-2013. 2013;:63.
https://hdl.handle.net/21.15107/rcub_rimsi_2486 .

Luković Golić, Danijela, Branković, Zorica, Daneu, Nina, Rečnik, Aleksander, Branković, Goran, "ZnO mesocrystals from solvothermal synthesis" in 2nd Conference of the Serbian Ceramic Society, June 5-7, 2013, Belgrade, Serbia, 2CSCS-2013 (2013):63,
https://hdl.handle.net/21.15107/rcub_rimsi_2486 .

TY  - JOUR
AU  - Luković Golić, Danijela
AU  - Branković, Zorica
AU  - Daneu, Nina
AU  - Bernik, Slavko
AU  - Branković, Goran
PY  - 2012
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/562
AB  - Zinc oxide powders with different morphologies and grain sizes were synthesized using solvothermal methods from ethanolic zinc acetate solutions in the presence of lithium hydroxide. The influence of the temperature and the time of the reaction, as well as the pH value of the starting solution, on the ZnO particle size and morphology were examined. It was found that an increase in the pH value from 8 to 12 results in a significant decrease in the mean particle size. Also, the particles' morphology can be changed from hexagonal plates and prisms to rods by controlling the reaction time and the temperature. The crystallization mechanism is discussed, based on established correlations such as the particle size/shape versus the reaction parameters. Dissolution/recrystallisation is the most probable growth mechanism responsible for the ZnO particles' morphology obtained in the solvothermal (hydrothermal) reactions with a basic solution. The planar structure of the zinc-hydroxy-acetate molecule plays the main role in growing the structures during the sovothermal reactions with a slightly acid solution.
PB  - Springer, Dordrecht
T2  - Journal of Sol-Gel Science and Technology
T1  - Solvothermal syntheses of nano- and micro-sized ZnO powders with a controllable morphology
EP  - 125
IS  - 1
SP  - 116
VL  - 63
DO  - 10.1007/s10971-012-2773-z
ER  - 

@article{
author = "Luković Golić, Danijela and Branković, Zorica and Daneu, Nina and Bernik, Slavko and Branković, Goran",
year = "2012",
abstract = "Zinc oxide powders with different morphologies and grain sizes were synthesized using solvothermal methods from ethanolic zinc acetate solutions in the presence of lithium hydroxide. The influence of the temperature and the time of the reaction, as well as the pH value of the starting solution, on the ZnO particle size and morphology were examined. It was found that an increase in the pH value from 8 to 12 results in a significant decrease in the mean particle size. Also, the particles' morphology can be changed from hexagonal plates and prisms to rods by controlling the reaction time and the temperature. The crystallization mechanism is discussed, based on established correlations such as the particle size/shape versus the reaction parameters. Dissolution/recrystallisation is the most probable growth mechanism responsible for the ZnO particles' morphology obtained in the solvothermal (hydrothermal) reactions with a basic solution. The planar structure of the zinc-hydroxy-acetate molecule plays the main role in growing the structures during the sovothermal reactions with a slightly acid solution.",
publisher = "Springer, Dordrecht",
journal = "Journal of Sol-Gel Science and Technology",
title = "Solvothermal syntheses of nano- and micro-sized ZnO powders with a controllable morphology",
pages = "125-116",
number = "1",
volume = "63",
doi = "10.1007/s10971-012-2773-z"
}

Luković Golić, D., Branković, Z., Daneu, N., Bernik, S.,& Branković, G.. (2012). Solvothermal syntheses of nano- and micro-sized ZnO powders with a controllable morphology. in Journal of Sol-Gel Science and Technology
Springer, Dordrecht., 63(1), 116-125.
https://doi.org/10.1007/s10971-012-2773-z

Luković Golić D, Branković Z, Daneu N, Bernik S, Branković G. Solvothermal syntheses of nano- and micro-sized ZnO powders with a controllable morphology. in Journal of Sol-Gel Science and Technology. 2012;63(1):116-125.
doi:10.1007/s10971-012-2773-z .

Luković Golić, Danijela, Branković, Zorica, Daneu, Nina, Bernik, Slavko, Branković, Goran, "Solvothermal syntheses of nano- and micro-sized ZnO powders with a controllable morphology" in Journal of Sol-Gel Science and Technology, 63, no. 1 (2012):116-125,
https://doi.org/10.1007/s10971-012-2773-z . .

TY  - JOUR
AU  - Luković Golić, Danijela
AU  - Branković, Goran
AU  - Počuča-Nešić, Milica
AU  - Vojisavljević, Katarina
AU  - Recnik, Aleksander
AU  - Daneu, Nina
AU  - Bernik, Slavko
AU  - Šćepanović, Maja
AU  - Poleti, Dejan
AU  - Branković, Zorica
PY  - 2011
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/469
AB  - Zinc oxide nanopowders were synthesized by the sol-gel method from an ethanol solution of zinc acetate dihydrate. Detailed structural and microstructural investigations were carried out using x-ray diffraction, Raman spectroscopy, thermogravimetric and differential thermal analyses, as well as high-resolution transmission electron microscopy (TEM) and field-emission scanning electron microscopy. The intermediate compound of the reaction was layered zinc hydroxide acetate that further transforms into hexagonally shaped ZnO crystalline nanoplates (d(m) = 4 nm), which aggregate into larger spherical particles. According to the TEM analysis the ZnO nanoparticles were self-assembled into larger particles with the same orientation, i.e. aligned lattice planes of the particles. A further solvothermal treatment resulted in hexagonal, prismatic ZnO mesocrystals.
PB  - IOP Publishing Ltd, Bristol
T2  - Nanotechnology
T1  - Structural characterization of self-assembled ZnO nanoparticles obtained by the sol-gel method from Zn(CH3COO)(2)center dot 2H(2)O
IS  - 39
VL  - 22
DO  - 10.1088/0957-4484/22/39/395603
ER  - 

@article{
author = "Luković Golić, Danijela and Branković, Goran and Počuča-Nešić, Milica and Vojisavljević, Katarina and Recnik, Aleksander and Daneu, Nina and Bernik, Slavko and Šćepanović, Maja and Poleti, Dejan and Branković, Zorica",
year = "2011",
abstract = "Zinc oxide nanopowders were synthesized by the sol-gel method from an ethanol solution of zinc acetate dihydrate. Detailed structural and microstructural investigations were carried out using x-ray diffraction, Raman spectroscopy, thermogravimetric and differential thermal analyses, as well as high-resolution transmission electron microscopy (TEM) and field-emission scanning electron microscopy. The intermediate compound of the reaction was layered zinc hydroxide acetate that further transforms into hexagonally shaped ZnO crystalline nanoplates (d(m) = 4 nm), which aggregate into larger spherical particles. According to the TEM analysis the ZnO nanoparticles were self-assembled into larger particles with the same orientation, i.e. aligned lattice planes of the particles. A further solvothermal treatment resulted in hexagonal, prismatic ZnO mesocrystals.",
publisher = "IOP Publishing Ltd, Bristol",
journal = "Nanotechnology",
title = "Structural characterization of self-assembled ZnO nanoparticles obtained by the sol-gel method from Zn(CH3COO)(2)center dot 2H(2)O",
number = "39",
volume = "22",
doi = "10.1088/0957-4484/22/39/395603"
}

Luković Golić, D., Branković, G., Počuča-Nešić, M., Vojisavljević, K., Recnik, A., Daneu, N., Bernik, S., Šćepanović, M., Poleti, D.,& Branković, Z.. (2011). Structural characterization of self-assembled ZnO nanoparticles obtained by the sol-gel method from Zn(CH3COO)(2)center dot 2H(2)O. in Nanotechnology
IOP Publishing Ltd, Bristol., 22(39).
https://doi.org/10.1088/0957-4484/22/39/395603

Luković Golić D, Branković G, Počuča-Nešić M, Vojisavljević K, Recnik A, Daneu N, Bernik S, Šćepanović M, Poleti D, Branković Z. Structural characterization of self-assembled ZnO nanoparticles obtained by the sol-gel method from Zn(CH3COO)(2)center dot 2H(2)O. in Nanotechnology. 2011;22(39).
doi:10.1088/0957-4484/22/39/395603 .

Luković Golić, Danijela, Branković, Goran, Počuča-Nešić, Milica, Vojisavljević, Katarina, Recnik, Aleksander, Daneu, Nina, Bernik, Slavko, Šćepanović, Maja, Poleti, Dejan, Branković, Zorica, "Structural characterization of self-assembled ZnO nanoparticles obtained by the sol-gel method from Zn(CH3COO)(2)center dot 2H(2)O" in Nanotechnology, 22, no. 39 (2011),
https://doi.org/10.1088/0957-4484/22/39/395603 . .