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High-performance se...
High-performance semitransparent organic solar cells enabled by pseudo-planar heterojunction structures combined with optical engineering
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- Yang, Ding (author)
- Soochow Univ, Peoples R China
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- Zhang, Rui (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Shi, Yu (author)
- Soochow Univ, Peoples R China
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- Guo, Xia (author)
- Soochow Univ, Peoples R China
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- Zhang, Maojie (author)
- Soochow Univ, Peoples R China
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(creator_code:org_t)
- 2022
- 2022
- English.
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In: Journal of Materials Chemistry C. - : ROYAL SOC CHEMISTRY. - 2050-7526 .- 2050-7534. ; 10:39, s. 14597-14604
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Semitransparent organic solar cells (ST-OSCs) are emerging as a promising renewable energy technology for building integration. However, how to solve the trade-off between power-conversion efficiency (PCE) and average visible transmittance (AVT) is always the key point for the further development of ST-OSCs. Herein, a pseudo-planar heterojunction (PPHJ) active layer, by sequentially depositing a polymer donor layer (PM6) and a small-molecule acceptor layer (BTP-eC9), was employed to improve the device performance and AVT, resulting in PCEs of 18.5% for opaque devices and 13.3% for semitransparent OSCs with an AVT of 18.5%. Furthermore, by introducing an effective anti-reflective covering layer, the AVT of the ST-OSCs was further improved up to 27.8% with little minus effect on the PCE (13.1%), as well as an impressive light-utilization efficiency (LUE) of 3.64% and a color-rendering index (CRI) of 94.6. It is worth noting that the PCE of 13.1% is the highest value at an AVT of over 25%. Our strategy represents a unique approach for improving the AVT and PCE of ST-OSCs simultaneously, facilitating the commercial development of OSCs.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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