Journal
APPLIED PHYSICS LETTERS
Volume 97, Issue 12, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3491245
Keywords
adsorption; cadmium compounds; copper compounds; electrochemical electrodes; II-VI semiconductors; photovoltaic effects; polymer electrolytes; semiconductor nanotubes; semiconductor quantum dots; solar cells; titanium compounds
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Funding
- Japan Science and Technology Agency (JST)
- Ministry of Education, Sports, Science and Technology of the Japanese Government [21310073]
- Grants-in-Aid for Scientific Research [21310073] Funding Source: KAKEN
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We proposed a CdSe quantum dot (QD)-sensitized solar cell (QDSSC), which is constructed with a CdSe QD adsorbed TiO2 nanotube working electrode on a Ti substrate, a ring shaped Cu2S counter electrode, prepared on a brass substrate having a glass window, and polysulfide electrolyte. The light was incident from the counter electrode. An incident photon to current conversion efficiency as high as 65% and a photovoltaic conversion efficiency as high as 1.8% under one sun have been achieved. We have demonstrated less costly QDSSC, without the requirement for both a transparent conductive electrode or a platinum film. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3491245]
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