An oleic acid-capped CdSe quantum-dot sensitized solar cell
- School of Electronic Science and Engineering, Southeast University, Nanjing 210096 (China)
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Science, Nanyang Technological University, Singapore 637616 (Singapore)
- School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798 (Singapore)
- Institute of Microelectronics, 11 Science Park Road, Science Park II, Singapore 117685 (Singapore)
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan (China)
In this letter, we report an oleic acid (OA)-capped CdSe quantum-dot sensitized solar cell (QDSSC) with an improved performance. The TiO{sub 2}/OA-CdSe photoanode in a two-electrode device exhibited a photon-to-current conversion efficiency of 17.5% at 400 nm. At AM1.5G irradiation with 100 mW/cm{sup 2} light intensity, the QDSSCs based on OA-capped CdSe showed a power conversion efficiency of about 1%. The function of OA was to increase QD loading, extend the absorption range and possibly suppress the surface recombination.
- OSTI ID:
- 21313622
- Journal Information:
- Applied Physics Letters, Vol. 94, Issue 15; Other Information: DOI: 10.1063/1.3117221; (c) 2009 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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