期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 121, 期 34, 页码 18326-18332出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.7b04064
关键词
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资金
- National Natural Science Foundation of China (NSFC) [21571167, 51502282, 21671003]
- Chinese Academy of Sciences
- Fundamental Research Funds for the Central Universities [WK2060190053]
- Anhui Province Natural Science Foundation [1608085MB28]
We report a stable and semiconductive heteropolyoxotitanate of [Ti12Cr6O18(OOCC6H5)(30)] (denoted as POTi12Cr6), which exhibits a pronounced photocatalytic hydrogen evolution rate, photothermal effect, and photocurrent under full solar spectrum, including near-infrared (NIR) irradiation, moreover, with high stability in both acid and base aqueous solution. Crystallinity and photocatalytic activity of POTi12Cr6 remain unchanged under cycling photocatalysis tests. This work demonstrates an approach to overcome the common restriction of low stability and limited solar absorption capability in polyoxotitanate- and TiO2-based materials. The result will open up heteropolyoxotitanate as a novel type of semiconductor material for the full solar spectrum, especially NIR energy utilization including photothermal transformation, photocurrent response, and photocatalytic H-2 evolution.
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