PREPARATION AND ELECTRICAL PROPERTIES OF ANTIMONY-DOPED TIN OXIDE NANOPARTICLES BY TWO VARIOUS MODIFIED COPRECIPITATION METHODS

Yu Guo, Shimin Liu, Dongdong Liang, Zhinuo Wang, Weiwei Jiang, Chaoqian Liu, Hualin Wang, Nan Wang, Wanyu Ding, Li Wang and Shichong Xu
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Yu Guo: Engineering Research Center of Optoelectronic Materials and Devices, School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, P. R. China
Shimin Liu: Engineering Research Center of Optoelectronic Materials and Devices, School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, P. R. China
Dongdong Liang: Engineering Research Center of Optoelectronic Materials and Devices, School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, P. R. China
Zhinuo Wang: Engineering Research Center of Optoelectronic Materials and Devices, School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, P. R. China
Weiwei Jiang: Engineering Research Center of Optoelectronic Materials and Devices, School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, P. R. China
Chaoqian Liu: Engineering Research Center of Optoelectronic Materials and Devices, School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, P. R. China
Hualin Wang: Engineering Research Center of Optoelectronic Materials and Devices, School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, P. R. China
Nan Wang: Engineering Research Center of Optoelectronic Materials and Devices, School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, P. R. China
Wanyu Ding: Engineering Research Center of Optoelectronic Materials and Devices, School of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, P. R. China
Li Wang: #x2020;Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Siping 136000, P. R. China
Shichong Xu: #x2020;Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Siping 136000, P. R. China

Surface Review and Letters (SRL), 2020, vol. 27, issue 07, 1-9

Abstract: This paper describes the synthesis and electrical properties of antimony-doped tin oxide nanoparticles by precipitate-modified coprecipitation and solution-modified coprecipitation starting from different amounts of nitric acid and ethanol as modified additives. The aim of this study was to decrease the electrical resistivity of antimony-doped tin oxide nanoparticles and determine the relationship between the crystalline size and electrical properties. Results indicated that all samples revealed the existence of tetragonal antimony-substituted SnO2 crystals. Antimony-doped tin oxide nanoparticles were 4.6–5.8 nm in diameter depending on both the amounts of nitric acid and ethanol as well as coprecipitation methods. The electrical resistivity changed dramatically from 0.86 Ω⋅cm to 0.31 Ω⋅cm depending on the amounts of nitric acid and ethanol as well as coprecipitation methods.Interestingly, the smaller the ratio between the crystal size calculated according to (110) plane and the crystal size calculated according to (101) plane was, the smaller the electrical resistivity of antimony-doped tin oxide nanoparticles was achieved as a function of the amounts of nitric acid and ethanol as well as coprecipitation methods.

Keywords: Crystal structure; electron transfer; nanostructures; oxides (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1142/S0218625X19501762

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