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    Photoactive Porphyrin-Based Metal-Organic Framework Nanosheets

    Year: 2019

    Journal: Eur. J. Inorg. Chem., Volume 2019, 1-Dec, page 4815–4819

    Authors: Liu, Chenxi; Wang, Chiming; Wang, Hailong; Wang, Tianyu; Jiang, Jianzhuang

    Organizations: Natural Science Foundation of ChinaNational Natural Science Foundation of China [21631003, 21805005, 21773006]; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities [FRF-BD-17-016A, FRF-TP18-008B1, FRF-BR-18-009B]; University of Science and Technology Beijing

    Keywords: Metal-organic frameworks; Nanosheets; Photoelectrical conversion; Fullerenes; Host-guest systems; Langmuir-Blodgett films

    5,10,15,20-Tetrakis[4 '-(terpyridinyl)phenyl]porphyrin and 5,10,15,20-tetrakis[4 '-(terpyridinyl)-1,1 '-biphenyl]porphyrin were used as building blocks for the construction of metal-organic framework (MOF) nanosheets with visible light absorption by utilizing the Langmuir-Blodgett technique. Moreover, the MOF-nanosheet-modified ITO electrodes were placed into liquid junction solar cells, and the photoconversion efficiencies of these cells were evaluated upon visible light irradiation. In the present work, the layer number of the nanosheets and the inclusion of C-60 as guest have been demonstrated to be responsible for improved cell photoelectrical conversion by enhancing absorption and charge transfer, respectively.
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