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Improved solar cell performance by adding ultra-thin Alq3 at the cathode interface
- Authors
- Lee J.Y.; Lee T.; Park, Hui Joon; Guo L.J.
- Issue Date
- Nov-2014
- Publisher
- Elsevier B.V.
- Keywords
- Cathode interface; Contact resistance; Hybrid photovoltaic; Solar cells
- Citation
- Organic Electronics, v.15, no.11, pp.2710 - 2714
- Indexed
- SCIE
SCOPUS
- Journal Title
- Organic Electronics
- Volume
- 15
- Number
- 11
- Start Page
- 2710
- End Page
- 2714
- ISSN
- 1566-1199
- Abstract
- We report a new finding that ultra-thin Tris(8-hydroxyquinoline) aluminum (Alq3) improves an Al cathode interface for photovoltaic (PV) with inorganic amorphous silicon (a-Si) as well as organic bulk heterojunction (BHJ) photoactive layers. Contact resistance characterization is used to investigate the effect of the added Alq3. The experimental results show that the inserted Alq3 is observed to reduce the contact resistance at the cathode interface. Supported by our numerical analysis, the enhanced cathode interface by Alq3 provides better Ohmic contact, thereby increasing Voc. The overall power efficiency is enhanced accordingly benefited by the Alq3 added cathode regardless of photoactive layers. © 2014 Elsevier B.V. All rights reserved.
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Related Researcher
- Park, Hui Joon
- COLLEGE OF ENGINEERING (DEPARTMENT OF ORGANIC AND NANO ENGINEERING)