Stable Hematite Nanosheet Photoanodes for Enhanced Photoelectrochemical Water Splitting
Piangjai PeerakiatkhajohnJung‐Ho YunHongjun ChenMiaoqiang LyuTeera ButbureeLianzhou Wang
Abstract
A vertically grown hematite nanosheet film modified with Ag nanoparticles (NPs) and Co-Pi cocatalyst exhibits a remarkably high photocurrent density of 4.68 mA cm(-2) at 1.23 V versus RHE. The Ag NPs leads to significantly improved light harvesting and better charge transfer, while the Co-Pi facilitates a highly stable oxygen evolution process. This photoelectrode design provides more efficient photoelectrochemical systems for solar-energy conversion.
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