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Photoelectrochemical Water Oxidation
In article number 2304376, Kin Ho Lo, Hui Pan, and co‐workers report a metal‐insulator‐semiconductor (MIS) structure photoanode (n‐Si/SiOx/CoOx‐Mo) to show a high photovoltage of 650 mV, saturation current density of 27.6 mA cm−2, and fill factor of 0.62 in 1.0 M K3BO3 because the energy barrier, charge transfer, reaction kinetics, and active sites are dramatically...
Green hydrogen is considered to be the key for solving the emerging energy and environmental issues. The photoelectrochemical (PEC) process for the production of green hydrogen has been widely investigated because solar power is clean and renewable. However, mass production in this way is still far away from reality. Here, a Si photoanode is reported with CoOx as co‐catalyst for efficient water oxidation...
Perovskite oxides are studied as electrocatalysts for oxygen evolution reactions (OER) because of their low cost, tunable structure, high stability, and good catalytic activity. However, there are two main challenges for most perovskite oxides to be efficient in OER, namely less active sites and low electrical conductivity, leading to limited catalytic performance. To overcome these intrinsic obstacles,...
Perovskite Oxide‐Based Electrocatalysts
In article number 2101605, Shi Chen, Shuangpeng Wang, Guichuan Xing, Hui Pan, and co‐workers systematically summarize perovskite oxides as electrocatalysts for efficient oxygen evolution reaction (OER). The catalytic mechanism and descriptors for perovskite oxides are also discussed in detail. Additionally, various strategies to improve the OER catalytic performance...
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