TY - JOUR
T1 - Laser synthesis of oxygen vacancy-modified CoOOH for highly efficient oxygen evolution
AU - Meng, Chao
AU - Lin, Mengchang
AU - Sun, Xuechun
AU - Chen, Xiaodong
AU - Chen, Xuemin
AU - Du, Xiwen
AU - Zhou, Yue
N1 - Funding Information:
This work was supported by the Scientific Research Foundation of Shandong University of Science and Technology for Recruited Talents (2017RCJJ057), the Natural Science Foundation of Hebei Province (No. B2018208090) and the Natural Science Foundation of China (51671141, 51571149, 51471115, and 21573117).
Publisher Copyright:
© The Royal Society of Chemistry.
PY - 2019
Y1 - 2019
N2 - Introducing oxygen vacancies into transition-metal oxide materials would improve their catalytic activity but usually needs high-temperature or high-pressure conditions, and multi-step procedures, and thus are time consuming and not energy efficient. Herein, laser ablation in liquids (LAL), a green, mild and effective approach, has been, for the first time, employed to prepare CoOOH nanosheets with abundant oxygen vacancies and relatively thin thickness. Our theoretical and experimental results demonstrate that oxygen vacancies can optimize the absorption of oxygen evolution reaction (OER) intermediates and improve electrical conductivity; meanwhile, the relatively thin thickness can provide more active sites, thus leading to excellent OER activity of oxygen vacancy-modified CoOOH nanosheets. This work may provide guidance for exploring other efficient non-noble metal catalysts for water oxidation.
AB - Introducing oxygen vacancies into transition-metal oxide materials would improve their catalytic activity but usually needs high-temperature or high-pressure conditions, and multi-step procedures, and thus are time consuming and not energy efficient. Herein, laser ablation in liquids (LAL), a green, mild and effective approach, has been, for the first time, employed to prepare CoOOH nanosheets with abundant oxygen vacancies and relatively thin thickness. Our theoretical and experimental results demonstrate that oxygen vacancies can optimize the absorption of oxygen evolution reaction (OER) intermediates and improve electrical conductivity; meanwhile, the relatively thin thickness can provide more active sites, thus leading to excellent OER activity of oxygen vacancy-modified CoOOH nanosheets. This work may provide guidance for exploring other efficient non-noble metal catalysts for water oxidation.
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U2 - 10.1039/c8cc08951e
DO - 10.1039/c8cc08951e
M3 - Article
C2 - 30675603
AN - SCOPUS:85062408544
SN - 1359-7345
VL - 55
SP - 2904
EP - 2907
JO - Chemical Communications
JF - Chemical Communications
IS - 20
ER -