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X . H. LI1, W. Y. AN2, Q . Y Xia3,* , X. H. JU2,*
- College of Physics and Engineering, Henan University of Science and Technology, Luoyang, 471003, China
- Key Laboratory of Soft Chemistry and Functional Materials of MOE, School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
- School of Chemistry and Chemical Engineering, Linyi University, 276005 Linyi, P. R. China
T he triphenylamine based dyes were designed as the p type sensitizers . The absorption spectra, electronic transition s , electronic structures of the sensitizers were systematically studied. T he absorption bands of O2 C and O2 D are red shift ed and have broad band in the visible light area at 524 nm and 559 nm, respectively , compared to their prototype O2 . Both Δ G inj and Δ G reg values for all the designed dyes are in range of ‒3.04 to ‒4.13 eV and ‒1.08 to ‒2.68 eV, respectively, which is good for hole injectio n and dye regeneration. The p ositive Δ G CR values could reduce charge recombination which is benefit for charge transferring from the donor to the acceptor. Importantly, dye s O2 C and O2 D are predicted to be promising candidates for the p type sensitizers in comparison with prototype O2.
Dye sensitized solar cells (DSSCs), T riphenylamine based D π A dye, p Type sensitizers, Density functional theory, Absorption spectrum.
Submitted at: Jan. 31, 2019
Accepted at: Feb. 17, 2020
X . H. LI, W. Y. AN, Q . Y Xia, X. H. JU, Theoretical study on p type dyes with different π linkers for dye sensitized solar cells, Journal of Optoelectronics and Advanced Materials Vol. 22, Iss. 1-2, pp. 37-41 (2020)
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