Journal
NANO LETTERS
Volume 10, Issue 7, Pages 2609-2612Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl101322h
Keywords
Sb2S3; P3HT; inorganic-organic heterojunction; solar cells
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Funding
- Ministry of Education, Science, and Technology, Republic of Korea
- National Research Foundation of Korea [2010-00060] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We report all solid-state nanostructured inorganic-organic heterojuncuon solar cells fabricated by depositing Sb2S3 and poly(3-hexylthiophene) (P3HT) on the surface of a mesoporous TiO2 layer, where Sb2S3 acts as an absorbing semiconductor and P3HT acts as both a hole conductor and light absorber These inorganic-organic light harvesters perform remarkably well with a maximum incident-photon-to-current efficiency (IPCE) of 80% and power conversion efficiency of 5 13% under air-mass I 5 global (AM 1 5G) illumination with the intensity of 100 mW cm(-2) These devices are highly stable under room light in air, even without encapsulation The present findings offer novel directions for achieving high-efficiency solid-state solar cells by hybridization of inorganic-organic light harvesters and hole transporters
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