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|Title:||Electrocatalytic activity of a 2D phosphorene-based heteroelectrocatalyst for photoelectrochemical cells|
|Citation:||Angewandte Chemie International Edition, 2018; 57(10):2644-2647|
|Munkhbayar Batmunkh, Aabhash Shrestha, Munkhjargal Bat-Erdene, Md Julker Nine, Cameron J. Shearer, Christopher T. Gibson, Ashley D. Slattery, Sherif Abdulkader Tawfik, Michael J. Ford, Sheng Dai, Shizhang Qiao, and Joseph G. Shapter|
|Abstract:||Research into efficient synthesis, fundamental properties, and potential applications of phosphorene is currently the subject of intense investigation. Herein, solution-processed phosphorene or few-layer black phosphorus (FL-BP) sheets are prepared using a microwave exfoliation method and used in photoelectrochemical cells. Based on experimental and theoretical (DFT) studies, the FL-BP sheets are found to act as catalytically active sites and show excellent electrocatalytic activity for triiodide reduction in dye-sensitized solar cells. Importantly, the device fabricated based on the newly designed cobalt sulfide (CoSx ) decorated nitrogen and sulfur co-doped carbon nanotube heteroelectrocatalyst coated with FL-BP (FL-BP@N,S-doped CNTs-CoSx ) displayed an impressive photovoltaic efficiency of 8.31 %, outperforming expensive platinum based cells. This work paves the way for using phosphorene-based electrocatalysts for next-generation energy-storage systems.|
|Keywords:||2D materials; black phosphorus; electrocatalysis; photochemistry; solar cells|
|Rights:||© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim|
|Appears in Collections:||Chemical Engineering publications|
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