One-step synthesis of mulberry-shaped TiO2-Au nanocomposite and its H2 evolution property under visible light

Bing Liu; Yin Wang; Shuxia Shang; Yuanman Ni; Nan Zhang; Minhua Cao; Changwen Hu

doi:10.1016/j.colsurfa.2018.05.058

One-step synthesis of mulberry-shaped TiO₂-Au nanocomposite and its H₂ evolution property under visible light

Bing Liu, Yin Wang, Shuxia Shang, Yuanman Ni, Nan Zhang, Minhua Cao^*, Changwen Hu

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

In this work, mulberry shaped TiO₂-Au nanocomposite has been successfully prepared by a one-step hydrothermal method relying on the redox reaction between Au (III) and Ti (III) with polyvinyl pyrrolidone (PVP) as protective agent for the first time. PVP plays an important role on monodisperse and homogeneity of mulberry shaped TiO₂-Au. The TiO₂-Au nanocomposite shows excellent stability towards the catalytic reduction of water under visible light. Based on characterization and testing, we propose the photocatalytic process for efficient H₂ generation. Uniformly dispersed Au NPs enhance visible light absorption on account of the LSPR, leading to the H₂ evolution increased.

Original language	English
Pages (from-to)	203-209
Number of pages	7
Journal	Colloids and Surfaces A: Physicochemical and Engineering Aspects
Volume	553
DOIs	https://doi.org/10.1016/j.colsurfa.2018.05.058
Publication status	Published - 20 Sept 2018

Keywords

H evolution
One-step synthesis
Photocatalyst
TiO-Au nanocomposite
Visible light

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10.1016/j.colsurfa.2018.05.058

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title = "One-step synthesis of mulberry-shaped TiO2-Au nanocomposite and its H2 evolution property under visible light",

abstract = "In this work, mulberry shaped TiO2-Au nanocomposite has been successfully prepared by a one-step hydrothermal method relying on the redox reaction between Au (III) and Ti (III) with polyvinyl pyrrolidone (PVP) as protective agent for the first time. PVP plays an important role on monodisperse and homogeneity of mulberry shaped TiO2-Au. The TiO2-Au nanocomposite shows excellent stability towards the catalytic reduction of water under visible light. Based on characterization and testing, we propose the photocatalytic process for efficient H2 generation. Uniformly dispersed Au NPs enhance visible light absorption on account of the LSPR, leading to the H2 evolution increased.",

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T1 - One-step synthesis of mulberry-shaped TiO2-Au nanocomposite and its H2 evolution property under visible light

AU - Liu, Bing

AU - Wang, Yin

AU - Shang, Shuxia

AU - Ni, Yuanman

AU - Zhang, Nan

AU - Cao, Minhua

AU - Hu, Changwen

PY - 2018/9/20

Y1 - 2018/9/20

N2 - In this work, mulberry shaped TiO2-Au nanocomposite has been successfully prepared by a one-step hydrothermal method relying on the redox reaction between Au (III) and Ti (III) with polyvinyl pyrrolidone (PVP) as protective agent for the first time. PVP plays an important role on monodisperse and homogeneity of mulberry shaped TiO2-Au. The TiO2-Au nanocomposite shows excellent stability towards the catalytic reduction of water under visible light. Based on characterization and testing, we propose the photocatalytic process for efficient H2 generation. Uniformly dispersed Au NPs enhance visible light absorption on account of the LSPR, leading to the H2 evolution increased.

AB - In this work, mulberry shaped TiO2-Au nanocomposite has been successfully prepared by a one-step hydrothermal method relying on the redox reaction between Au (III) and Ti (III) with polyvinyl pyrrolidone (PVP) as protective agent for the first time. PVP plays an important role on monodisperse and homogeneity of mulberry shaped TiO2-Au. The TiO2-Au nanocomposite shows excellent stability towards the catalytic reduction of water under visible light. Based on characterization and testing, we propose the photocatalytic process for efficient H2 generation. Uniformly dispersed Au NPs enhance visible light absorption on account of the LSPR, leading to the H2 evolution increased.

KW - H evolution

KW - One-step synthesis

KW - Photocatalyst

KW - TiO-Au nanocomposite

KW - Visible light

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DO - 10.1016/j.colsurfa.2018.05.058

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VL - 553

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JO - Colloids and Surfaces A: Physicochemical and Engineering Aspects

JF - Colloids and Surfaces A: Physicochemical and Engineering Aspects

ER -

One-step synthesis of mulberry-shaped TiO₂-Au nanocomposite and its H₂ evolution property under visible light

Abstract

Keywords

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