ZnO nanotube-based dye-sensitized solar cell and its application in self-powered devices
Jingbin HanSchool of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USAFeng Ru FanSchool of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USAChen XuSchool of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USAShisheng LinSchool of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USAMin WeiState Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of ChinaXue DuanState Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of ChinaZhong Lin WangSchool of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USA
2010en
ABI
Аннотация
High-density vertically aligned ZnO nanotube arrays were fabricated on FTO substrates by a simple and facile chemical etching process from electrodeposited ZnO nanorods. The nanotube formation was rationalized in terms of selective dissolution of the (001) polar face. The morphology of the nanotubes can be readily controlled by electrodeposition parameters for the nanorod precursor. By employing the 5.1 microm-length nanotubes as the photoanode for a dye-sensitized solar cell (DSSC), a full-sun conversion efficiency of 1.18% was achieved. Furthermore, we show that the DSSC unit can serve as a robust power source to drive a humidity sensor, with a potential for self-powered devices.
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