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1.	Faria, Gregorio Couto, et al. (author) Modeling Transient Drain Current Response in Biofunctionalized Organic Electrochemical Transistors 2015 Conference paper (other academic/artistic)
2.	Kroon, Renee, 1982, et al. (author) A New Tetracyclic Lactam Building Block for Thick, Broad-Bandgap Photovoltaics 2014 In: Journal of the American Chemical Society. - : American Chemical Society. - 0002-7863 .- 1520-5126. ; 136:33, s. 11578-11581 Journal article (peer-reviewed)abstract 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.

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Type of publication: conference paper (1); journal article (1)

Type of content: other academic/artistic (1); peer-reviewed (1)

Author/Editor: Salleo, Alberto (2); Andersson, Mats, 196 ... (1); Inganäs, Olle (1); Müller, Christian, 1 ... (1); Olsson, Eva, 1960 (1); Dahlström, Christina (1); show more...; Rivnay, Jonathan (1); Gao, Feng (1); Bergqvist, Jonas (1); Bäcke, Olof, 1984 (1); Gedefaw, Desta Anten ... (1); Zhuang, Wenliu, 1979 (1); Kroon, Renee, 1982 (1); Diaz de Zerio Mendaz ... (1); Faria, Gregorio Cout ... (1); Duong, Duc Trong (1); Malliaras, George (1); Owens, Roisin (1); Himmelberger, Scott, ... (1); Couto Faria, Gregori ... (1); Obaid, Abdulmalik (1); show less...

University: Linköping University (1); Mid Sweden University (1); Chalmers University of Technology (1)

Language: English (2)

Research subject (UKÄ/SCB): Natural sciences (1); Engineering and Technology (1)

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