An ultraviolet responsive hybrid solar cell based on titania/poly(3- hexylthiophene)

Jihuai Wu, Gentian Yue, Yaoming Xiao, Jianming Lin, Miaoliang Huang, Zhang Lan, Qunwei Tang, Yunfang Huang, Leqing Fan, Shu Yin, Tsugio Sato

    Research output: Contribution to journalArticlepeer-review

    72 Citations (Scopus)

    Abstract

    Here we present an ultraviolet responsive inorganic-organic hybrid solar cell based on titania/poly(3-hexylthiophene) (TiO2/P3HT) heterojuction. In this solar cell, TiO2 is an ultraviolet light absorber and electronic conductor, P3HT is a hole conductor, the light-to-electrical conversion is realized by the cooperation for these two components. Doping ionic salt in P3HT polymer can improve the photovoltaic performance of the solar cell. Under ultraviolet light irradiation with intensity of 100 mW·cm -2, the hybrid solar cell doped with 1.0 wt.% lithium iodide achieves an energy conversion efficiency of 1.28%, which is increased by 33.3% compared to that of the hybrid solar cell without lithium iodide doping. Our results open a novel sunlight irradiation field for solar energy utilization, demonstrate the feasibility of ultraviolet responsive solar cells, and provide a new route for enhancing the photovoltaic performance of solar cells.

    Original languageEnglish
    Article number1283
    JournalScientific reports
    Volume3
    DOIs
    Publication statusPublished - 2013

    ASJC Scopus subject areas

    • General

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