External catalyst-free InGaN photoelectrode for highly efficient energy conversion and H2 generation

Dae-Young Um,Bagavath Chandran, Jeong-Kyun Oh,Sung-Un Kim,Yeon-Tae Yu,Ji-Hyeon Park,Cheul-Ro Lee,Yong-Ho Ra

CHEMICAL ENGINEERING JOURNAL（2023）

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摘要

•Novel InGaN quantum particles synthesized on high aspect ratio GaN nanowire structure.•External catalyst-free 1.36 eV InGaN nanowire electrode for broadband solar absorption.•11.5 mmol cm−2 hydrogen generation with a photon-to-current efficiency of 13.75 % at −0.8 V versus RHE.

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关键词

InGaN,Nanowire,Quantum pyramid,Photoelectrochemical water splitting,Hydrogen generation

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