| MATERIALS AND SUSTAINABLE DEVELOPMENT: ADVANCED MATERIALS FOR CLEAN ENERGY UTILIZATION |
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| Phenothiazine and Phenoxazine Sensitizer Donor Units: a Comparative Analysis with an Application to Dye-sensitized Solar Cells |
| TAN Haijun1,2, HE Jingwen1, PEI Hairui1, LI Heping1, ZHANG Shufen3, ZHANG Shuhua1,2
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1 Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry andBioengineering, Guilin University of Technology, Guilin 541006;
2 Collaborative Innovation Center for Exploration ofHidden Nonferrous Metal Deposits and Development of New Materials in Guangxi, Guilin University of Technology,Guilin 541006;
3 State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024 |
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Abstract The present work aims to provide a comparison between the two organic D-π-A sensitizer donor units, i.e. phenot-hiazine and phenoxazine, for the appliance of dye-sensitized solar cells (DSSC). We synthesized two sensitizers (POZ-2 and PTZ-2) with simple molecular structure and determined their photophysical and electrochemical properties, and then used these two dyes to fabricate DSSCs and investigate the devices’ photovoltaic properties. Our experiment confirmed the superior performances of dye POZ-2 along with a higher power conversion efficiency (η=6.6%) compared with dye PTZ-2 (η=4.9%) under standard illumination (Global air mass 1.5).
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Published: 09 August 2018
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2018, Vol. 32 
