Light-managing techniques at front and rear interfaces for high performance amorphous silicon thin film solar cellsopen access고성능 비정질실리콘 박막태양전지를 위한 전후면 계면에서의 빛의 효율적 관리 기술
- Authors
- Kang, Dong-Won
- Issue Date
- Feb-2017
- Publisher
- Korean Institute of Electrical Engineers
- Keywords
- Amorphous silicon; Anti-Reflection; Magnesium fluoride; Rear-reflection; Titanium dioxide
- Citation
- Transactions of the Korean Institute of Electrical Engineers, v.66, no.2, pp 354 - 356
- Pages
- 3
- Journal Title
- Transactions of the Korean Institute of Electrical Engineers
- Volume
- 66
- Number
- 2
- Start Page
- 354
- End Page
- 356
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/74904
- DOI
- 10.5370/KIEE.2017.66.2.354
- ISSN
- 1975-8359
2287-4364
- Abstract
- We focused on light management technology in amorphous silicon solar cells to suppress increase in absorber thickness for improving power conversion efficiency (PCE). MgF2 and TiO2 anti-reflection layers were coated on both sides of Asahi VU (glass/SnO2:F) substrates, which contributed to increase in PCE from 9.16% to 9.81% at absorber thickness of only 150 nm. Also, we applied very thin MgF2 as a rear reflector at n-type nanocrystalline silicon oxide/Ag interface to boost photocurrent. By reinforcing rear reflection, we could find the PCE increase from 10.08% up to 10.34% based on thin absorber about 200 nm. © The Korean Institute of Electrical Engineers.
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