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Efficient and stable panchromatic squaraine dyes for dye-sensitized solar cells
- Authors
- Paek, Sanghyun; Choi, Hyunbong; Kim, Chulwoo; Cho, Nara; So, Seulgi; Song, Kihyung; Nazeeruddin, Mohammad K.; Ko, Jaejung
- Issue Date
- 2011
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- CHEMICAL COMMUNICATIONS, v.47, no.10, pp.2874 - 2876
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMICAL COMMUNICATIONS
- Volume
- 47
- Number
- 10
- Start Page
- 2874
- End Page
- 2876
- ISSN
- 1359-7345
- Abstract
- A new series of stable, unsymmetrical squaraine near-IR sensitizers (JK-216 and JK-217), which are assembled using both thiophenyl pyrrolyl and indolium groups, exhibit a panchromatic light harvesting up to 780 nm. The JK-216 based cell exhibited a record efficiency of 6.29% for near-IR DSSCs. In addition, the JK-217 device showed an excellent stability under a light soaking test at 60 degrees C for 1000 h.
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