期刊
CATALYSIS SCIENCE & TECHNOLOGY
卷 5, 期 6, 页码 3368-3374出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cy00470e
关键词
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资金
- National Science Foundation of China [21177160]
- Prospect Oriented Foundation of China University of Petroleum, Beijing [QZDX-2014-02]
- Natural Science Foundation of Changzhou City [CJ20140053]
- Fundamental Research Funds of Changzhou University [ZMF14020076]
- NSERC (Canada)
- Peter Wall Institute for Advanced Studies (Major Thematic Grant)
A series of cadmium sulfide (CdS)/triptycene-based polymer (NTP) nanocomposites was fabricated via a facile precipitation process by using Cd.OAc)(2), Na2S, and prefabricated NTP as raw materials. The photocatalytic hydrogen-generating capabilities of the novel CdS-NTP nanocomposites have been investigated in the presence of a sacrificial reagent. After hybridization with NTP, the rate of visible-light-driven hydrogen production of CdS-NTP is 10 times higher than that of pure CdS prepared under the same conditions. The photocorrosion of CdS is simultaneously suppressed and the composites show high stability. The high surface area and stable covalent structure of NTP confines the CdS quantum dots and prevents aggregation, thus increasing the catalytically active sites and enhancing the photocatalytic performance of the hybrid nanocomposites. This work demonstrates a high potential of using porous triptycene-based materials to develop multifunctional porous materials for semiconductor-based photocatalytic hydrogen evolution.
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