期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 14, 页码 4587-4591出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201814360
关键词
g-C3N4; hydrogen evolution; nanospheres; photocatalysis; water adsorption
资金
- National Natural Science Foundation of China [U1862105]
- Natural Science Basic Research Plan in Shaanxi Province of China [2017JZ001, 2018KJ XX-008]
- Fundamental Research Funds for the Central Universities [cxtd2017004]
- K. C. Wong Education Foundation, Hong Kong, China
- Australian Research Council
Water adsorption capacity is a key factor to influence the photocatalytic H-2 evolution activity of polymeric g-C3N4. Herein, we report the synthesis of 3D ordered close-packed g-C3N4 nanosphere arrays (CNAs) that significantly enhance the water adsorption capacity. Through precisely controlling the average stacking-layer number (ASLN) of the nanospheres in CNAs, we reveal an interesting stacking-layer-number dependence of water adsorption in the newly designed CNAs for accelerating the H-2 evolution reaction, which can be attributed to the differences in adsorption surface areas and adsorption sites endowed by the point-defect cavities in sample CNAs.
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