| Efficient HgTe colloidal quantum dot-sensitized near-infrared photovoltaic cells. | |
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MedLine Citation:
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PMID: 22301811 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We have demonstrated the successful fabrication of multiple-layer colloidal quantum dot (CQD)-sensitized near-infrared (NIR) photovoltaic (PV) cells using the solution processable HgTe CQDs and poly-3-(hexylthiophene) (P3HT) as hole-conducting polymer. The cells showed a 3.6 fold enhancement in power conversion efficiency under NIR light illumination by the post-ethanedithiol chemical treatment. The performance enhancement was mainly ascribed to the improved interfacial contact between HgTe CQDs by elimination of oleic acid as capping ligand on the surface of HgTe CQDs. In addition, the HgTe CQD-sensitized PV cells could effectively detect weak NIR light and process over 1 kHz level signals. |
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Authors:
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Sang Hyuk Im; Hi-Jung Kim; Sung Woo Kim; Sang-Wook Kim; Sang Il Seok |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-2-2 |
Journal Detail:
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Title: Nanoscale Volume: - ISSN: 2040-3372 ISO Abbreviation: - Publication Date: 2012 Feb |
Date Detail:
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Created Date: 2012-2-3 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101525249 Medline TA: Nanoscale Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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KRICT-EPFL Global Research Laboratory, Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 305-600, Republic of Korea. seoksi@krict.re.kr. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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