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Molecules 2015, 20(10), 18847-18855;

Amine-Functionalized ZnO Nanosheets for Efficient CO2 Capture and Photoreduction

School of Materials Science and Engineering, Nanyang Technological University, 639798 Singapore, Singapore
Author to whom correspondence should be addressed.
Academic Editors: Jimmy C. Yu and Wing-Kei Ho
Received: 20 August 2015 / Revised: 7 October 2015 / Accepted: 14 October 2015 / Published: 16 October 2015
Full-Text   |   PDF [1773 KB, uploaded 16 October 2015]   |  


Amine-functionalized ZnO nanosheets were prepared through a one-step hydrothermal method by using monoethanolamine, which has a hydroxyl group, for covalent attachment on ZnO and a primary amine group to supply the amine-functionalization. We demonstrate that the terminal amine groups on ZnO surfaces substantially increase the capability of CO2 capture via chemisorption, resulting in effective CO2 activation. As a result, the photogenerated electrons from excited ZnO can more readily reduce the surface-activated CO2, which thereby enhances the activity for photocatalytic CO2 reduction. View Full-Text
Keywords: photocatalysis; CO2 reduction; solar fuels; zinc oxide photocatalysis; CO2 reduction; solar fuels; zinc oxide

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Liao, Y.; Hu, Z.; Gu, Q.; Xue, C. Amine-Functionalized ZnO Nanosheets for Efficient CO2 Capture and Photoreduction. Molecules 2015, 20, 18847-18855.

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