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In article number 1904723, Hung‐Lung Chou, Di‐Yan Wang, and co‐workers present how earth‐abundant iron pyrite nanocrystals grown on carbon fiber paper (FeS2/CFP) exhibit a good electrocatalytic performance for the nitrogen reduction reaction with a high faradaic efficiency (FE) of ≈14.14%. With NIR laser irradiation (808 nm), the NH3 yield rate of the FeS2/CFP catalyst can be improved to (0.1 µg min...
The generation of ammonia, hydrogen production, and nitrogen purification are considered as energy intensive processes accompanied with large amounts of CO2 emission. An electrochemical method assisted by photoenergy is widely utilized for the chemical energy conversion. In this work, earth‐abundant iron pyrite (FeS2) nanocrystals grown on carbon fiber paper (FeS2/CFP) are found to be an electrochemical...
Hydrogen is considered as sustainable and environmentally friendly energy for global energy demands in the future. Here a Co‐FeS2 catalyst with surface phosphide doping (P/Co‐FeS2) for hydrogen evolution reaction (HER) in acidic solutions is developed. The P/Co‐FeS2 exhibits superior HER electrochemical performance with overpotential of ‐90 mV at 100 mA cm−2 and Tafel slope of 41 mV/decade and excellent...
A heterojunction photodiode with NIR photoresponse using solution processable pyrite FeS2 nanocrystal ink is demonstrated which has the advantages of earth‐abundance and non‐toxicity. The device consists of a FeS2 nanocrystal (NC) thin film sandwiched with semiconducting metal oxides with a structure of ITO/ZnO/FeS2 NC/MoO3/Au, which exhibits an excellent photoresponse with a spectral response extended...
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