期刊
ACS APPLIED NANO MATERIALS
卷 3, 期 2, 页码 1373-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.9b02217
关键词
TiO2; carbon; MXene; N-doping; photocatalytic H-2 evolution
资金
- Pandeng Plan Foundation of Hangzhou Normal University [4095C5021820406, 4095C5021820441]
- Natural Science Foundation of Zhejiang Provincial Natural Science Foundation [LY18E020010, LQ19B010001, LGJ20E020001]
- National College Students' Science and Technology Innovation Project [201910346045, 201910346038, 201910346030]
- National Natural Science Foundation of China [51902077]
- Zhejiang Province Ten Thousand People Plan, Agricultural and Social Development Program Project of Hangzhou Science and Technology Bureau of Zhejiang Province [20191203B03]
- Zhejiang Provincial Department of Education [Y201840068, Y201533640]
Both doping and compositing in TiO2 are exceedingly effective strategies to overcome the compound's shortcomings, such as invalid visible-light response and enormous recombination of photogenerated carriers. Herein, a convenient and cost-effective route has been put forward to in situ synthesize nanolayered heterostructure based on N-doped TiO2 nanoparticles and N-doped carbon (N-TiO2/NC) using 2D layered N-MXene (N-Ti3C2Tx) as the template. The as-obtained N-TiO2/NC nanocomposite displays greatly enhanced visible light absorption property, superior carrier separation and transport ability. As a result, the nanolayered N-TiO2/NC heterostructure exhibits a satisfactory H-2 evolution rate from water-splitting (102.6 mu mol g(-1) h(-1)) under visible-light without any additional cocatalyst. The study provides a new strategy for the synthesis of defective nanoheterostructure and expands the applications of MXene family.
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