期刊
RSC ADVANCES
卷 6, 期 47, 页码 41294-41303出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra00353b
关键词
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资金
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning [2015063131]
Herein, we report porphyrin sensitizers for DSSCs, coded CNU-0C8 and CNU-TBU, which were synthesized using a donor-pi-bridge-acceptor approach. The porphyrin sensitizers were subjected to electrochemical experiments to study their electron distribution, intramolecular charge transfer and HOMO-LUMO levels. The optical and photovoltaic properties of these synthesized porphyrins were measured and compared with those of the YD2-OC8 benchmark dye. To further characterize, we simulated the electrochemical and optical properties of the dyes, which are perfectly in agreement with the experimental data. The new CNU-0C8 and CNU-TBU porphyrin sensitizers provided power conversion efficiencies of 6.49% and 3.19%, respectively, compared to a conversion efficiency of 6.10% for YD2-0C8 under similar conditions. These results indicate that CNU-0C8 exhibits better photovoltaic performance than the benchmark YD2-0C8 sensitizer in a liquid 1(-)/I-3(-) redox electrolyte.
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