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Fast recombination dynamics of photocarriers competing with sluggish surface photohole oxidation kinetics severely restricts the photoelectrochemical (PEC) conversion efficiency of photoanode. Here, a defect engineering strategy is developed to regulate photohole transfer and interfacial injection dynamics of 2D ZnIn2S4 (ZIS). Via selectively introducing substitutional Cd dopant at Zn sites of the...
The airborne particulate matter (PM) seriously threatens people's health. Personal protective equipment with electrospun nanofibers is an effective method to make people away from air pollutants. Herein, 3D waterproof melamine‐formaldehyde polyvinyl alcohol (MF‐PVA) nanofibrous membranes are fabricated by a one‐step method combining multi‐unit needleless electrospinning and a thermal treatment device...
A joint theoretical and experimental study is reported to systematically explore over a library of transition metal‐silicon intermetallics for understanding silicon‐controlled active site motifs and discovering hydrogen‐evolving electrocatalysts. On the one hand, every low‐index surface termination of 115 transition metal (M)‐silicon (Si) intermetallics is enumerated, followed by cataloging of stable...
Active Site Engineering
In article number 2107371, Xiaoxin Zou and co‐workers investigate a library of transition metal‐silicon (Si) intermetallic catalysts by integrating high‐throughput theoretical prediction and experimental validation. The cover design emphasizes the ability of Si to modify the arrangements of surface atoms and change adsorption sites of hydrogen intermediate for controlling catalytic...
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