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ACS Appl Mater Interfaces. 2017 Jan 25;9(3):2317-2325. doi: 10.1021/acsami.6b12555. Epub 2017 Jan 12.

Simple but Effective Way To Enhance Photoelectrochemical Solar-Water-Splitting Performance of ZnO Nanorod Arrays: Charge-Trapping Zn(OH).

ACS applied materials & interfaces

Minki Baek, Donghyung Kim, Kijung Yong

Affiliations

  1. Surface Chemistry Laboratory of Electronic Materials, Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH) , Pohang 790-784, Korea.

PMID: 28045250 DOI: 10.1021/acsami.6b12555

Abstract

This study presents an effective and the simplest method to substantially improve the photoelectrochemical water-splitting ability of hydrothermally grown ZnO nanorod arrays (NRAs). In the hydrothermal growth of ZnO NRAs, unwanted Zn(OH)

Keywords: ZnO photoanode; oxygen vacancy in metal oxide; photoelectrochemical cell; vacuum annealing; water splitting

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