Enhanced syngas production from CO2 photoreduction over CoPd alloy modified NiAl-LDH under visible light

Lan Yang; Lei Li; Pengfei Xia; Huiyi Li; Jingjing Yang; Xiaohong Li; Xiaodi Zeng; Xiaodong Zhang; Chong Xiao; Yi Xie

doi:10.1039/D1CC04863E

Enhanced syngas production from CO₂ photoreduction over CoPd alloy modified NiAl-LDH under visible light†

Lan Yang,‡^a Lei Li,‡^a Pengfei Xia,^a Huiyi Li,^a Jingjing Yang,^a Xiaohong Li,^a Xiaodi Zeng,^a Xiaodong Zhang,

^a Chong Xiao

*^ab and Yi Xie

^ab

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* Corresponding authors

^a Hefei National Laboratory for Physical Sciences at the Microscale, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, Anhui, P. R. China
E-mail: cxiao@ustc.edu.cn

^b Institute of Energy, Hefei Comprehensive National Science Center, Hefei, Anhui, P. R. China

Abstract

We reported the modification of a NiAl-layered double hydroxide (LDH) by loading well-dispersed CoPd alloys through a NaBH₄ reduction method. The modified NiAl-LDH achieved 14.5-fold and 2.1-fold improvements of the H₂ and CO evolution rates and an applicable ratio of H₂/CO (nearly 1 : 1) under visible light (λ > 420 nm). This study revealed the potential of alloys to adjust the H₂/CO ratio and enhance syngas production for LDHs for the first time.

This article is part of the themed collections: 10th Anniversary of the Youth Innovation Promotion Association of the Chinese Academy of Science and 2021 Emerging Investigators

Chemical Communications

Enhanced syngas production from CO₂ photoreduction over CoPd alloy modified NiAl-LDH under visible light†

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