S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Materials Science and Engineering (재료공학부) Journal Papers (저널논문_재료공학부)
Diketopyrrolopyrrole-basedsmallmolecules with simple structure for high VOC organic photovoltaics
Cited 64 time in Web of Science Cited 68 time in Scopus
- Issue Date
- ELSEVIER SCIENCE BV
- ORGANIC ELECTRONICS Vol.13 No.12, pp. 3060-3066
- 공학 ; Small molecule ; HOMO ; Open circuit voltage ; Diketopyrrolopyrrole
- A series of simple structured smallmoleculesbased on diketopyrrolopyrrole (DPP) are synthesized and their photovoltaic properties are investigated in terms of the type of electron donating unit. By introducing a donor unit with different electron-donating power such as thiophene (T) and phenylene (Ph), into A?D?A type smallmolecule, the frontier orbital energy levels of smallmolecules can effectively be tuned. The smallmolecule with a weak donor unit of Ph, Ph(TDPP)2 exhibits a power conversion efficiency of 4.01% with a remarkably high open circuit voltage of 0.93 V when it is blended with [6,6]-phenyl-C71-butyric acid methyl ester as an active layer material in bulk heterojunction solar cells.
- Files in This Item: There are no files associated with this item.
Items in S-Space are protected by copyright, with all rights reserved, unless otherwise indicated.