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Engineering the surface chemistry of lead chalcogenide nanocrystal solids to enhance carrier mobility and lifetime in optoelectronic devices
- Oh, S. J.;
- Straus, D. B.;
- Zhao, T.;
- Choi, J. -H.;
- Lee, S. -W.;
- 외 3명
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43초록
We introduce a stepwise, hybrid ligand-exchange method for lead chalcogenide nanocrystal (NC) thin films using the compact-inorganic ligand thiocyanate and the short organic ligand benzenediothiolate. Spectroscopic and device measurements show that hybrid exchange enhances both carrier mobility and lifetime in NC thin films. The increased mobility-lifetime product achieved by this method enables demonstration of optoelectronic devices with enhanced power conversion and quantum efficiency.
키워드
QUANTUM-DOT SOLIDS; SOLAR-CELLS; ELECTRONIC DEVICES; CHARGE-TRANSPORT; POST-SYNTHESIS; PBS; PERFORMANCE; PHOTOVOLTAICS; PASSIVATION; DIFFUSION
- 제목
- Engineering the surface chemistry of lead chalcogenide nanocrystal solids to enhance carrier mobility and lifetime in optoelectronic devices
- 저자
- Oh, S. J.; Straus, D. B.; Zhao, T.; Choi, J. -H.; Lee, S. -W.; Gaulding, E. A.; Murray, C. B.; Kagan, C. R.
- 발행일
- 2017-01-14
- 유형
- Article
- 권
- 53
- 호
- 4
- 페이지
- 728 ~ 731
- 언어
- ENG
- 출판사
- ROYAL SOC CHEMISTRY
- 발행국가
- 영국
- 분량
- 4 페이지
- ISSN
- E 1364-548X
P 1359-7345