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Journal of Advanced Ceramics 2016, 5(4): 298-307 https://doi.org/10.1007/s40145-016-0203-3
Research Article | Open Access | Issue | Published: 23 December 2016

Low temperature hydrothermal synthesis of SrTiO3 nanoparticles without alkali and their effective photocatalytic activity

Show Author's Information Hongfang SHENa,b,  Youjun LUb,  Yanmin WANGa( ),  Zhidong PANa,  Guozhong CAOc,  Xianghui YANb,  Guoli FANGb
School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
School of Materials Science and Engineering, Beifang University of Nationalities, Yinchuan 750021, China
Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA
Keywords:
stability, hydrothermal synthesis, photocatalytic activity, polyhedral SrTiO3, low temperature, photocurrent property
Cite this article:
SHEN H, LU Y, WANG Y, et al. Low temperature hydrothermal synthesis of SrTiO3 nanoparticles without alkali and their effective photocatalytic activity. Journal of Advanced Ceramics, 2016, 5(4): 298-307. https://doi.org/10.1007/s40145-016-0203-3
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Abstract Full text About this article

SrTiO3 nanoparticle (NP) photocatalyst was synthesized with a facile and environmental-friendly hydrothermal method using tetrabutyltitanate, strontium oxide, and ethanolamine as precursors at low temperature without alkali as mineralizer for the first time. The SrTiO3 nanoparticles were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), field emission scanning electron microscopy (FESEM), and N2 Brunauer–Emmett–Teller (BET) method. The SrTiO3 catalyst synthesized at 120 ℃ (STO-120) exhibited the highest photocurrent intensity among the samples synthesized at different hydrothermal temperatures. The high photocatalytic performance of STO-120 was mainly attributed to the more homogeneous and minimum nanoparticle size, the highest surface area, and the maximum light absorption property among the four different samples. This work presented an applicable and facile method to fabricate a highly active and stable SrTiO3 photocatalyst for organic pollutant degradation.


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About this article

Low temperature hydrothermal synthesis of SrTiO3 nanoparticles without alkali and their effective photocatalytic activity

Show Author's information Hongfang SHENa,b, Youjun LUb, Yanmin WANGa( ), Zhidong PANa, Guozhong CAOc, Xianghui YANb, Guoli FANGb
School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
School of Materials Science and Engineering, Beifang University of Nationalities, Yinchuan 750021, China
Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA

Abstract

SrTiO3 nanoparticle (NP) photocatalyst was synthesized with a facile and environmental-friendly hydrothermal method using tetrabutyltitanate, strontium oxide, and ethanolamine as precursors at low temperature without alkali as mineralizer for the first time. The SrTiO3 nanoparticles were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), field emission scanning electron microscopy (FESEM), and N2 Brunauer–Emmett–Teller (BET) method. The SrTiO3 catalyst synthesized at 120 ℃ (STO-120) exhibited the highest photocurrent intensity among the samples synthesized at different hydrothermal temperatures. The high photocatalytic performance of STO-120 was mainly attributed to the more homogeneous and minimum nanoparticle size, the highest surface area, and the maximum light absorption property among the four different samples. This work presented an applicable and facile method to fabricate a highly active and stable SrTiO3 photocatalyst for organic pollutant degradation.

Keywords: stability, hydrothermal synthesis, photocatalytic activity, polyhedral SrTiO3, low temperature, photocurrent property

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Publication history
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Publication history

Received: 29 July 2016
Revised: 09 August 2016
Accepted: 13 August 2016
Published: 23 December 2016
Issue date: December 2016

Copyright

© The author(s) 2016

Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (Nos. 51262001 and 21563001), the Natural Science Foundation of Ningxia (No. NZ16091), the Research Project of Ningxia Colleges and Universities (Nos. NGY2012095 and NGY2015159), the Research Project of Beifang University of Nationalities (No. 2014XBZ06), and the State Ethnic Affairs Commission Scientific Research Project of China (No. 14BFZ014).

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