Synthesis of heteroleptic Ru(II) complexes ligated with 1,3-dihydro-1,1,3,3-tetramethyl-7,8-diazacyclopenta[1]phenanthren-2-one and application in dye-sensitized solar cells
- Authors
- Tak, Jungae; Oh, Hyunju; Kim, Jungwook; Yun, Soo Hong; Lee, Jihoon; Park, Byoungchoo; Kim, Byeong Hyo
- Issue Date
- Jul-2014
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Dye-sensitized solar cells (DSSCs); Ru(II) polypyridyl complexes; Phenanthroline; Photosensitizer
- Citation
- SYNTHETIC METALS, v.145, no.7, pp.1101 - 1108
- Indexed
- SCIE
SCOPUS
- Journal Title
- SYNTHETIC METALS
- Volume
- 145
- Number
- 7
- Start Page
- 1101
- End Page
- 1108
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/144609
- DOI
- 10.1016/j.synthmet.2014.10.029
- ISSN
- 0379-6779
- Abstract
- Four heteroleptic ruthenium(II) complexes, HJ1-HJ4 [Ru(L)(DTDP)(NCS)2][TBA], (where DTDP = 1, 3-dihydro-1,1,3,3-tetramethyl-7,8-diazacyclopenta[l]phenanthren-2-one, L=4,4'-dicarboxy-2,21-bipyridine (dcbpy, HJ1), 4,4'-bis(E-carboxyviny1)-2,2'-bipyridine (dcvbpy, HJ2), 4,7-dicarboxy-1,10-phenanthroline (dcphen, HJ3), or 4,7-bis(E-carboxyviny1)-1,10-phenanthroline (dcvphen, HJ4)), were synthesized from one-pot reaction of [RuCl2(p-cymene)12 and DTDP ligand followed by addition of the second ligand (L= dcbpy, dcvbpy, dcphen, or dcvphen). Final products were obtained as tetrabutylammonium salt form of ruthenium(II) complexes with reasonable yields. We demonstrated that a dye-sensitized solar cell (DSSC) fabricated with HJ1 dye exhibited a conversion efficiency (77) of 2.8%, which is close to that of standard N719 dye, while other cells fabricated with HJ2-HJ4 dye had conversion efficiencies (n) of between 1.2 and 2.0%. 2014 Elsevier B.V. All rights reserved.
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