期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 59, 期 8, 页码 3300-3306出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201913748
关键词
2D materials; metal-organic frameworks; metal nodes; photocatalysis; thickness tuning
资金
- Natural Science Foundation of China (NSFC) [21535006, 21874109]
- Fundamental Research Funds for the Central Universities [XDJK2019TY003]
Synthesizing 2D metal-organic frameworks (2D MOFs) in high yields and rational tailoring of the properties in a predictable manner for specific applications is extremely challenging. Now, a series of porphyrin-based 2D lanthanide MOFs (Ln-TCPP, Ln=Ce, Sm, Eu, Tb, Yb, TCPP=tetrakis(4-carboxyphenyl) porphyrin) with different thickness were successfully prepared in a household microwave oven. The as-prepared 2D Ln-TCPP nanosheets showed thickness-dependent photocatalytic performances towards photooxidation of 1,5-dihydroxynaphthalene (1,5-DHN) to synthesize juglone. Particularly, the Yb-TCPP displayed outstanding photodynamic activity to generate O-2(-) and O-1(2). This work not only provides fundamental insights into structure designing and property tailoring of 2D MOFs nanosheets, but also pave a new way to improve the photocatalytic performance.
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