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Synthesis, Characterization and Optoelectronic Properties of Benzodithiophene Based Copolymers for Application in Solar Cells

Title
Synthesis, Characterization and Optoelectronic Properties of Benzodithiophene Based Copolymers for Application in Solar Cells
Author
강영종
Keywords
Benzodithiophene; Diketopyrrolopyrole; Stille reaction; Conjugate polymers; Optoelectronic stidies
Issue Date
2016-01
Publisher
SPRINGER/PLENUM PUBLISHERS
Citation
JOURNAL OF FLUORESCENCE, v. 26, NO 1, Page. 371-376
Abstract
This paper reports on the synthesis and characterization of novel donor-acceptor (D-A) conjugated polymers containing triisopropylsilylethyny(TIPS)benzo[1,2-b:4,5-b']dithiophene-diketopyrrolopyrrole (P1 and P2) through Stille co-polymerization method. Thermal stability, optical and electrochemical properties of these polymers were determined. Optical band gaps of the polymers as calculated from their film onset absorption edges were found to be 1.46 and 1.44 eV, respectively. Electrochemical studies revealed HOMO and LUMO energy levels to be -5.22, -5.60 eV, and -3.76, -4.16 eV, respectively. The polymers were thermally stable up to 400-440 A degrees C. Optoelectronic studies indicated that these materials to be promising candidates in solar cell applications.
URI
https://link.springer.com/article/10.1007%2Fs10895-015-1724-9http://hdl.handle.net/20.500.11754/31459
ISSN
1053-0509; 1573-4994
DOI
10.1007/s10895-015-1724-9
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > CHEMISTRY(화학과) > Articles
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