AgSbS2 modified ZnO nanotube arrays for photoelectrochemical water splitting

Jianhua Han; Zhifeng Liu; Keying Guo; Xueqi Zhang; Tiantian Hong; Bo Wang

doi:10.1016/j.apcatb.2015.05.008

AgSbS₂ modified ZnO nanotube arrays for photoelectrochemical water splitting

Jianhua Han, Zhifeng Liu^*, Keying Guo, Xueqi Zhang, Tiantian Hong, Bo Wang

^*Corresponding author for this work

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

79 Scopus citations

Abstract

Large-scale, vertically aligned AgSbS₂ modified ZnO nanotube arrays have been fabricated directly on conducting glass substrates (ITO) via a facile, versatile and low-cost hydrothermal chemical process by using ZnO nanorods as reactive templates. This method is easy to be controlled to develop uniform morphology, and it can be generalized to fabricate other ternary sensitizer nanomaterial for PEC water splitting. In this work, we present a novel ternary sensitizer miargyrite AgSbS₂ for optimized ZnO, and the ZnO/AgSbS₂ nanoarrays film was applied on photoelectrochemical (PEC) photoelectrodes. Strikingly, the photocurrent density of this electrode was up to 5.08 mA cm^-2 at 0.096V versus Ag/AgCl. The excellent PEC properties stems from the enhanced absorption spectrum, high speed of photo-induced charges transmission velocity and appropriate energy gap of coupled nanostructures. Furthermore, this work demonstrates a promising low-cost method for preparing ternary sensitizer modified ZnO nanoarrays as PEC electodes for hydrogen production by water splitting.

Original language	English
Pages (from-to)	61-68
Number of pages	8
Journal	Applied Catalysis B: Environmental
Volume	179
DOIs	https://doi.org/10.1016/j.apcatb.2015.05.008
State	Published - 1 Dec 2015
Externally published	Yes

Keywords

AgSbS
Nanotube
Photoelectrochemical
Water splitting
ZnO

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.apcatb.2015.05.008

Cite this

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title = "AgSbS2 modified ZnO nanotube arrays for photoelectrochemical water splitting",

abstract = "Large-scale, vertically aligned AgSbS2 modified ZnO nanotube arrays have been fabricated directly on conducting glass substrates (ITO) via a facile, versatile and low-cost hydrothermal chemical process by using ZnO nanorods as reactive templates. This method is easy to be controlled to develop uniform morphology, and it can be generalized to fabricate other ternary sensitizer nanomaterial for PEC water splitting. In this work, we present a novel ternary sensitizer miargyrite AgSbS2 for optimized ZnO, and the ZnO/AgSbS2 nanoarrays film was applied on photoelectrochemical (PEC) photoelectrodes. Strikingly, the photocurrent density of this electrode was up to 5.08 mA cm-2 at 0.096V versus Ag/AgCl. The excellent PEC properties stems from the enhanced absorption spectrum, high speed of photo-induced charges transmission velocity and appropriate energy gap of coupled nanostructures. Furthermore, this work demonstrates a promising low-cost method for preparing ternary sensitizer modified ZnO nanoarrays as PEC electodes for hydrogen production by water splitting.",

keywords = "AgSbS, Nanotube, Photoelectrochemical, Water splitting, ZnO",

author = "Jianhua Han and Zhifeng Liu and Keying Guo and Xueqi Zhang and Tiantian Hong and Bo Wang",

note = "Publisher Copyright: {\textcopyright} 2015 Elsevier B.V.",

year = "2015",

month = dec,

day = "1",

doi = "10.1016/j.apcatb.2015.05.008",

language = "英语",

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T1 - AgSbS2 modified ZnO nanotube arrays for photoelectrochemical water splitting

AU - Han, Jianhua

AU - Liu, Zhifeng

AU - Guo, Keying

AU - Zhang, Xueqi

AU - Hong, Tiantian

AU - Wang, Bo

PY - 2015/12/1

Y1 - 2015/12/1

N2 - Large-scale, vertically aligned AgSbS2 modified ZnO nanotube arrays have been fabricated directly on conducting glass substrates (ITO) via a facile, versatile and low-cost hydrothermal chemical process by using ZnO nanorods as reactive templates. This method is easy to be controlled to develop uniform morphology, and it can be generalized to fabricate other ternary sensitizer nanomaterial for PEC water splitting. In this work, we present a novel ternary sensitizer miargyrite AgSbS2 for optimized ZnO, and the ZnO/AgSbS2 nanoarrays film was applied on photoelectrochemical (PEC) photoelectrodes. Strikingly, the photocurrent density of this electrode was up to 5.08 mA cm-2 at 0.096V versus Ag/AgCl. The excellent PEC properties stems from the enhanced absorption spectrum, high speed of photo-induced charges transmission velocity and appropriate energy gap of coupled nanostructures. Furthermore, this work demonstrates a promising low-cost method for preparing ternary sensitizer modified ZnO nanoarrays as PEC electodes for hydrogen production by water splitting.

AB - Large-scale, vertically aligned AgSbS2 modified ZnO nanotube arrays have been fabricated directly on conducting glass substrates (ITO) via a facile, versatile and low-cost hydrothermal chemical process by using ZnO nanorods as reactive templates. This method is easy to be controlled to develop uniform morphology, and it can be generalized to fabricate other ternary sensitizer nanomaterial for PEC water splitting. In this work, we present a novel ternary sensitizer miargyrite AgSbS2 for optimized ZnO, and the ZnO/AgSbS2 nanoarrays film was applied on photoelectrochemical (PEC) photoelectrodes. Strikingly, the photocurrent density of this electrode was up to 5.08 mA cm-2 at 0.096V versus Ag/AgCl. The excellent PEC properties stems from the enhanced absorption spectrum, high speed of photo-induced charges transmission velocity and appropriate energy gap of coupled nanostructures. Furthermore, this work demonstrates a promising low-cost method for preparing ternary sensitizer modified ZnO nanoarrays as PEC electodes for hydrogen production by water splitting.

KW - AgSbS

KW - Nanotube

KW - Photoelectrochemical

KW - Water splitting

KW - ZnO

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