Solvent-Performance Relationships of Phenothiazine-Based Organic Dye in Dye-Sensitized Solar Cell

2018 4th International Conference on Environmental Science and Material Application

生态环境科学;材料科学

Han, Fei^1 ; Wan, Zhongquan^1 ; Wang, Yan^1 ; Jia, Chuanyang^1

State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu

610054, China^1

关键词: Adsorption modes;    Different solvents;    N ,N-Dimethylformamide;    Organic dye;    Photovoltaic performance;    Solvent effects;    Tetrahydrofurans;    TiO2 surfaces;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/252/2/022142/pdf
DOI  :  10.1088/1755-1315/252/2/022142

来源: IOP

【 摘 要 】

In this paper, we study the impacts of solvent effects on the dye-sensitized solar cells' (DSSCs') performances. Initially, a new D-D-π-A phenothiazine-based metal-free organic dye (WY5) was designed and synthesized. Afterwards, we assumed that the WY5 sensitized in different solvents N, N-dimethylformamide (DMF), methanol (MeOH) and tetrahydrofuran (THF) would affect the aggregations and the adsorption modes on TiO2 surface and futher affect the photovoltaic performances of corresponding DSSCs. The champion efficiency of 5.61% was obtained by the DSSC using MeOH as sensitization solvent. Our work provides a potential strategy for investigating the impacts of diffierent sensitized solvents on the DSSCs' performances and further to screen the best suitable sensitized solvent for dye WY5.