Cited 0 time in webofscience Cited 2 time in scopus

Thienopyrroledione and benzodithiophene/thiophene-based random terpolymer for polymer solar cells with improved fill factor

Title
Thienopyrroledione and benzodithiophene/thiophene-based random terpolymer for polymer solar cells with improved fill factor
Authors
Bang, S.-M.[Bang, Su Mi]Park, J.-H.[Park, Jung Hyun]Kang, S.[Kang, Sung Kyoung]Lee, Y.-S.[Lee, You Sun]Lim, B.[Lim, Bo Gyu]eo, H.[Heo, Hyo Jung]Lee, J.[Lee, Jae Chol]Lee, Y.[Lee, Youn Gu]Na, S.-I.[Na, Seok In]
DGIST Authors
eo, H.[Heo, Hyo Jung]
Issue Date
2017
Citation
Dyes and Pigments, 140, 229-235
Type
Article
Article Type
Article
Keywords
Bulk-Heterojunction (Bhj)Electron-Accepting UnitsElectron-DonatingFill-FactorHeterojunctionsHighest Occupied Molecular OrbitalImproved Fill FactorMolecular OrbitalsOrganic PolymersPhase SeparationPhotovoltaic PropertyPolymer Solar Cell (PSC)Polymer Solar Cells (PSCs)PolymersPower Conversion EfficienciesRandom PolymerSolar CellsTerthiopheneTerthiophenes
ISSN
0143-7208
Abstract
A new random conjugated terpolymer, coded as LGC-D054, was designed and synthesized. It is composed of N-alkylthieno[3,4-c]pyrrole-4,6-dione (TPD) as an electron-accepting unit, and benzodithiophene (BDT) and terthiophene as electron-donating units into the polymer backbone. The optical, electrochemical, and photovoltaic properties of the terpolymer were investigated. The polymer displayed an optical bandgap of 1.81 eV, with a highest occupied molecular orbital (HOMO) level of −5.25 eV. The bulk-heterojunction (BHJ) polymer solar cell (PSC) with the blend film based on LGC-D054:PC71BM exhibited a power conversion efficiency (PCE) of 4.46% with the short circuit current density (Jsc) of 8.71 mA/cm2 and a relatively high fill factor (FF) of 61.21%. After introducing 1,8-diiodooctane (DIO), BHJ film showed better phase separation and larger domain size. Furthermore, this optimized morphology promotes improved hole and electron mobilities, leading to a promising PCE of 5.08% with improved Jsc of 9.08 mA/cm2 and high FF of 66.02%. © 2017 Elsevier Ltd
URI
http://hdl.handle.net/20.500.11750/2095
DOI
10.1016/j.dyepig.2017.01.049
Publisher
Elsevier Ltd
Files:
There are no files associated with this item.
Collection:
Energy Science and EngineeringOrganic & Printed Electronics Laboratory(OPEL)1. Journal Articles


qrcode mendeley

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE