S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Material Science and Engineering (재료공학부) Journal Papers (저널논문_재료공학부)
A low band-gap polymer based on unsubstituted benzo[1,2-b:4,5-b ']-dithiophene for high performance organic photovoltaics
- Jung, Jae Woong; Jo, Jea Woong; Liu, Feng; Russell, Thomas P.; Jo, Won Ho
- Issue Date
- ROYAL SOC CHEMISTRY
- CHEMICAL COMMUNICATIONS Vol.48 No.55, pp. 6933-6935
- A low band-gap conjugated polymer, PBDTDPP, composed of unsubstituted benzo[1,2-b:4,5-b']dithiophene and diketopyrrolo-[3,4-c]pyrrole was synthesized. The deep HOMO level of PBDTDPP enhances the V-OC of a PSC up to 0.82 V and exhibits a PCE of 5.16%, while alkoxy substituted PBDTDPP-OR yields a PCE of 2.24% with a V-OC of 0.61 V.
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