期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 94, 期 2, 页码 338-344出版社
ELSEVIER
DOI: 10.1016/j.solmat.2009.10.010
关键词
Hybrid solar cells; Vertical CdS nanorods; Dip-coating; Spin-coating; Photovoltaic devices
资金
- National Natural Science Foundation of China [50990063, 20774083]
- Ministry of Education of China [IRT0651]
- China Postdoctoral Science Foundation [20080431304]
We have fabricated and investigated hybrid solar cells based oil one-step fabricated vertically aligned US nanorod arrays and poly(2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylenevinylene)(MEH-PPV). The vertically aligned CdS nanorods provide the minimal electron transport path to reduce the charge carrier recombination at the heterojunction interface. The photoactive layers were prepared by two deposition methods, dip- and spin-coating of MEH-PPV on CdS nanorods. Scanning electron microscope (SEM) showed that the extent of infiltration of the soft MEH-PPV phase into the rigid CdS nanorods arrays can be controlled by different deposition methods, which strongly influence the PV device performance, The influence of annealing treatment on the device performance is also studied; the power conversion efficiency is quadrupled for dip-coating and doubled for spin-coating after the annealing treatment. (C) 2009 Elsevier B.V. All rights reserved.
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