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A New Tetracyclic L...
A New Tetracyclic Lactam Building Block for Thick, Broad-Bandgap Photovoltaics
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- Kroon, Renee, 1982 (author)
- University of S Australia, Australia Chalmers, Sweden,University of South Australia,Chalmers tekniska högskola,Chalmers University of Technology
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- Diaz de Zerio Mendaza, Amaia, 1986 (author)
- Chalmers, Sweden,Chalmers tekniska högskola,Chalmers University of Technology
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- Himmelberger, Scott, 1988 (author)
- Stanford University, CA 94305 USA,Chalmers tekniska högskola,Chalmers University of Technology
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- Bergqvist, Jonas (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan,Stanford University
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- Bäcke, Olof, 1984 (author)
- Chalmers, Sweden,Chalmers tekniska högskola,Chalmers University of Technology
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- Couto Faria, Gregorio (author)
- Stanford University, CA 94305 USA University of Sao Paulo, Brazil,Universidade de Sao Paulo (USP),University of Sao Paulo (USP)
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- Gao, Feng (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan,Linköping University
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- Obaid, Abdulmalik (author)
- Wake Forest University, NC 27106 USA
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- Zhuang, Wenliu, 1979 (author)
- Chalmers, Sweden,Chalmers tekniska högskola,Chalmers University of Technology
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- Gedefaw, Desta Antenehe, 1971 (author)
- Chalmers, Sweden,Chalmers tekniska högskola,Chalmers University of Technology
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- Olsson, Eva, 1960 (author)
- Chalmers, Sweden,Chalmers tekniska högskola,Chalmers University of Technology
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- Inganäs, Olle (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan,Linköping University
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- Salleo, Alberto (author)
- Stanford University, CA 94305 USA
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- Müller, Christian, 1980 (author)
- Chalmers, Sweden,Chalmers tekniska högskola,Chalmers University of Technology
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- Andersson, Mats, 1966 (author)
- University of S Australia, Australia Chalmers, Sweden,Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2014-08-06
- 2014
- English.
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In: Journal of the American Chemical Society. - : American Chemical Society. - 0002-7863 .- 1520-5126. ; 136:33, s. 11578-11581
- Related links:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- A new tetracyclic lactam building block for polymer semiconductors is reported that was designed to combine the many favorable properties that larger fused and/or amide-containing building blocks can induce, including improved solid-state packing, high charge carrier mobility, and improved charge separation. Copolymerization with thiophene resulted in a semicrystalline conjugated polymer, PTNT, with a broad bandgap of 2.2 eV. Grazing incidence wide-angle X-ray scattering of PTNT thin films revealed a strong tendency for face-on pi-stacking of the polymer backbone, which was retained in PTNT:firllerene blends. Corresponding solar cells featured a high open-circuit voltage of 0.9 V, a fill factor around 0.6, and a power conversion efficiency as high as 596 for greater than200 nm thick active layers, regardless of variations in blend stoichiometry and nanostructure. Moreover, efficiencies of greater than4% could be retained when thick active layers of similar to 400 rim were employed. Overall, these values are the highest reported for a conjugated polymer with such a broad bandgap and are unprecedented in materials for tandem and particularly ternary blend photovoltaics. Hence, the newly developed tetracyclic lactam unit has significant potential as a conjugated building block in future organic electronic materials.
Subject headings
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
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- ref (subject category)
- art (subject category)
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- By the author/editor
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Kroon, Renee, 19 ...
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Diaz de Zerio Me ...
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Himmelberger, Sc ...
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Bergqvist, Jonas
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Bäcke, Olof, 198 ...
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Couto Faria, Gre ...
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Gao, Feng
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Obaid, Abdulmali ...
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Zhuang, Wenliu, ...
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Gedefaw, Desta A ...
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Olsson, Eva, 196 ...
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Inganäs, Olle
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Salleo, Alberto
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Müller, Christia ...
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Andersson, Mats, ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Polymer Chemistr ...
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Journal of the A ...
- By the university
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Linköping University
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Chalmers University of Technology