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Hydrogen-driven sur...
Hydrogen-driven surface amorphization of the transparent oxide semiconductor thin-films for photovoltaic applications
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- Kim, Seohan (author)
- Uppsala universitet,Fasta tillståndets fysik,Pusan Natl Univ, Mat Technol Res Inst, Busan 46241, South Korea.;Uppsala Univ, Dept Engn Sci, Angstrom Lab, SE-75121 Uppsala, Sweden.
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- Yoon, Janghee (author)
- Korea Basic Sci Inst, Busan Ctr, Busan 46742, South Korea.
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- Park, Sungmin (author)
- Pusan Natl Univ, Dept Mat Sci & Engn, Busan 46241, South Korea.
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- Bang, Joonho (author)
- Sungkyunkwan Univ, Dept Energy Sci, Suwon 16419, South Korea.
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- Song, Pungkeun (author)
- Pusan Natl Univ, Dept Mat Sci & Engn, Busan 46241, South Korea.
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(creator_code:org_t)
- Elsevier, 2021
- 2021
- English.
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In: Applied Surface Science. - : Elsevier. - 0169-4332 .- 1873-5584. ; 555
- Related links:
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- Crystalline transparent conductive oxides are promising candidates as front electrodes in electronic devices due to the high electron mobility and good optical transparency in the visible region. However, the rough surface morphology resulting from the grain growth during the deposition and post-annealing process triggers severe drawbacks in their thin-film applications. Here, we demonstrate the hydrogen-driven surface amorphization of the crystalline In?Sn?O (c-ITO) thin film. By introducing hydrogen gas during the deposition process, the surface of the c-ITO thin film is selectively amorphized, allowing for the smooth surface morphology while preserving the advantages of the crystalline thin film. The progressive surface amorphization of c-ITO thin film offers the tunability of the work function, leading to the improved power conversion efficiency of the thin-film solar cell. Our work provides a facile method to realize the smooth surface morphology of the c-ITO thin films, which can be further utilized for a wide range of crystalline thin films for optoelectronic applications.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- Transparent conductive oxides
- Surface morphology
- Hydrogen impurity
- Work function
- Indium tin oxides
- Organic photovoltaic
Publication and Content Type
- ref (subject category)
- art (subject category)
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