Cubic In2O3 microparticles for efficient photoelectrochemical oxygen evolution

Ming Meng; Xinglong Wu; Xiaobin Zhu; Lun Yang; Zhixing Gan; Xiaoshu Zhu; Lizhe Liu; Paul K. Chu

doi:10.1021/jz502316h

Cubic In₂O₃ microparticles for efficient photoelectrochemical oxygen evolution

Ming Meng, Xinglong Wu, Xiaobin Zhu, Lun Yang, Zhixing Gan, Xiaoshu Zhu, Lizhe Liu, Paul K. Chu

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

62 Citations (Scopus)

45 Downloads (CityUHK Scholars)

Abstract

Cubic In₂O₃ microparticles with exposed {001} facets as well as single morphology and size are produced on a large scale on silicon with a high yield. The morphological evolution during chemical vapor deposition is investigated and the new knowledge enables precise facet cutting. The synthesized Cubic In₂O₃ microparticles possess superior photoelectrocatalytic activity and excellent chemical and structural stability in oxygen evolution reaction on account of the unique surface structure and electronic band structure of the {001} facets. Our results reveal that it is feasible to promote the photolectrochemical water splitting efficiency of photoanode materials by controlling the growth on specific crystal facets. The technique and concept can be extended to other facet-specific materials in applications such as sensors, solar cells, and lithium batteries.

Original language	English
Pages (from-to)	4298-4304
Journal	Journal of Physical Chemistry Letters
Volume	5
Issue number	24
Online published	3 Dec 2014
DOIs	https://doi.org/10.1021/jz502316h
Publication status	Published - 18 Dec 2014

UN SDGs

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

SDG 7 Affordable and Clean Energy

Research Keywords

chemical vapor deposition
crystal facet cutting
cubic In2O3 microparticles
photoelectrochemical water splitting

Publisher's Copyright Statement

This is an open access article published under an ACS AuthorChoice License, which permits copying and redistribution of the article or any adaptations for non-commercial purposes.

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10.1021/jz502316h

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Cite this

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title = "Cubic In2O3 microparticles for efficient photoelectrochemical oxygen evolution",

abstract = "Cubic In2O3 microparticles with exposed {001} facets as well as single morphology and size are produced on a large scale on silicon with a high yield. The morphological evolution during chemical vapor deposition is investigated and the new knowledge enables precise facet cutting. The synthesized Cubic In2O3 microparticles possess superior photoelectrocatalytic activity and excellent chemical and structural stability in oxygen evolution reaction on account of the unique surface structure and electronic band structure of the {001} facets. Our results reveal that it is feasible to promote the photolectrochemical water splitting efficiency of photoanode materials by controlling the growth on specific crystal facets. The technique and concept can be extended to other facet-specific materials in applications such as sensors, solar cells, and lithium batteries.",

keywords = "chemical vapor deposition, crystal facet cutting, cubic In2O3 microparticles, photoelectrochemical water splitting",

author = "Ming Meng and Xinglong Wu and Xiaobin Zhu and Lun Yang and Zhixing Gan and Xiaoshu Zhu and Lizhe Liu and Chu, {Paul K.}",

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T1 - Cubic In2O3 microparticles for efficient photoelectrochemical oxygen evolution

AU - Meng, Ming

AU - Wu, Xinglong

AU - Zhu, Xiaobin

AU - Yang, Lun

AU - Gan, Zhixing

AU - Zhu, Xiaoshu

AU - Liu, Lizhe

AU - Chu, Paul K.

PY - 2014/12/18

Y1 - 2014/12/18

N2 - Cubic In2O3 microparticles with exposed {001} facets as well as single morphology and size are produced on a large scale on silicon with a high yield. The morphological evolution during chemical vapor deposition is investigated and the new knowledge enables precise facet cutting. The synthesized Cubic In2O3 microparticles possess superior photoelectrocatalytic activity and excellent chemical and structural stability in oxygen evolution reaction on account of the unique surface structure and electronic band structure of the {001} facets. Our results reveal that it is feasible to promote the photolectrochemical water splitting efficiency of photoanode materials by controlling the growth on specific crystal facets. The technique and concept can be extended to other facet-specific materials in applications such as sensors, solar cells, and lithium batteries.

AB - Cubic In2O3 microparticles with exposed {001} facets as well as single morphology and size are produced on a large scale on silicon with a high yield. The morphological evolution during chemical vapor deposition is investigated and the new knowledge enables precise facet cutting. The synthesized Cubic In2O3 microparticles possess superior photoelectrocatalytic activity and excellent chemical and structural stability in oxygen evolution reaction on account of the unique surface structure and electronic band structure of the {001} facets. Our results reveal that it is feasible to promote the photolectrochemical water splitting efficiency of photoanode materials by controlling the growth on specific crystal facets. The technique and concept can be extended to other facet-specific materials in applications such as sensors, solar cells, and lithium batteries.

KW - chemical vapor deposition

KW - crystal facet cutting

KW - cubic In2O3 microparticles

KW - photoelectrochemical water splitting

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