An Elemental Phosphorus Photocatalyst with a Record High Hydrogen Evolution Efficiency
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AbstractSemiconductive property of elementary substance is an interesting and attractive phenomenon. We obtain a breakthrough that fibrous phase red phosphorus, a recent discovered modification of red phosphorus by Ruck et al., can work as a semiconductor photocatalyst for visible-light-driven hydrogen (H-2) evolution. Small sized fibrous phosphorus is obtained by 1) loading it on photoinactive SiO2 fibers or by 2) smashing it ultrasonically. They display the steady hydrogen evolution rates of 633 mmol h(-1) g(-1) and 684 mu mol h(-1) g(-1), respectively. These values are much higher than previous amorphous P (0.6 mu mol h(-1) g(-1)) and Hittorf P (1.6 mu mol h(-1) g(-1)). Moreover, they are the highest records in the family of elemental photocatalysts to date. This discovery is helpful for further understanding the semiconductive property of elementary substance. It is also favorable for the development of elemental photocatalysts.
All Author(s) ListHu ZF, Yuan LY, Liu ZF, Shen ZR, Yu JC
Journal nameANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH
Year2016
Month8
Day8
Volume Number55
Issue Number33
PublisherWILEY-V C H VERLAG GMBH
Pages9580 - 9585
ISSN0570-0833
LanguagesEnglish-United Kingdom
Keywordsphotocatalysis, hydrogen evolution, phosphorus, semiconductors, sustainable chemistry
Web of Science Subject CategoriesChemistry, Multidisciplinary;Chemistry

Last updated on 2020-29-10 at 01:35