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We incorporated an additional set of organic layers that was composed of two organic p-type semiconductors to reduce the blue-light sensitivities of CuPc- and C-60-based organic photodetectors. We used alpha, omega-diphenyl sexi-thiophene (P6T) and alpha, omega-bis(biphenyl-4-yl)ter-thiophene (BP3T), which are thiophene-based materials and usually have good hole-transporting properties. A thick (\u003e100 nm) P6T layer absorbed blue light, preventing it from reaching the photoactive layer, and a thin (similar to 20 nm) BP3T layer whose band gap was larger than that of P6T blocked excitation energy transfer from P6T to CuPc. Thus, we successfully demonstrated a red-light photodetector with high peak sensitivity and whose current-voltage characteristics did not worsen. The optimal device showed a peak incident photon-current conversion efficiency of 51.7% at 620 nm and a specific detectivity of 4.0 X 10(11) cm Hz(1/2)/W. (C) 2010 American Institute of Physics. 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  1. 080 繊維学部
  2. 0801 学術論文

Enhancing spectral contrast in organic red-light photodetectors based on a light-absorbing and exciton-blocking layered system

http://hdl.handle.net/10091/10721
100a7fc1-e387-48ce-8947-8a3f322096c3
名前 / ファイル ライセンス アクション
Enhancing_Spectral_Contrast.pdf Enhancing_Spectral_Contrast.pdf (181.2 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2010-10-20
タイトル
言語 en
タイトル Enhancing spectral contrast in organic red-light photodetectors based on a light-absorbing and exciton-blocking layered system
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Higashi, Yusuke

× Higashi, Yusuke

WEKO 40966

Higashi, Yusuke

Search repository
Kim, Kyu-Sik

× Kim, Kyu-Sik

WEKO 40967

Kim, Kyu-Sik

Search repository
Jeon, Hyeon-Gu

× Jeon, Hyeon-Gu

WEKO 40968

Jeon, Hyeon-Gu

Search repository
Ichikawa, Musubu

× Ichikawa, Musubu

WEKO 40969

Ichikawa, Musubu

Search repository
信州大学研究者総覧へのリンク
氏名 Ichikawa, Musubu
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.WenUjFkV.html
出版者
出版者 AMER INST PHYSICS
引用
内容記述タイプ Other
内容記述 JOURNAL OF APPLIED PHYSICS. 108(3):034502 (2010)
書誌情報 JOURNAL OF APPLIED PHYSICS

巻 108, 号 3, 発行日 2010-08-01
内容記述
内容記述タイプ Other
内容記述 This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in JOURNAL OF APPLIED PHYSICS. 108(3):034502 (2010) and may be found at https://doi.org/10.1063/1.3466766 .
抄録
内容記述タイプ Abstract
内容記述 We demonstrated a highly sensitive red-light photodetector based on a mixed copper phthalocyanine (CuPc) and fullerene C-60 photoactive layer, similar to a so-called bulk heterojunction structure usually used in the field of organic photovoltaics. We incorporated an additional set of organic layers that was composed of two organic p-type semiconductors to reduce the blue-light sensitivities of CuPc- and C-60-based organic photodetectors. We used alpha, omega-diphenyl sexi-thiophene (P6T) and alpha, omega-bis(biphenyl-4-yl)ter-thiophene (BP3T), which are thiophene-based materials and usually have good hole-transporting properties. A thick (>100 nm) P6T layer absorbed blue light, preventing it from reaching the photoactive layer, and a thin (similar to 20 nm) BP3T layer whose band gap was larger than that of P6T blocked excitation energy transfer from P6T to CuPc. Thus, we successfully demonstrated a red-light photodetector with high peak sensitivity and whose current-voltage characteristics did not worsen. The optimal device showed a peak incident photon-current conversion efficiency of 51.7% at 620 nm and a specific detectivity of 4.0 X 10(11) cm Hz(1/2)/W.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0021-8979
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00693547
他の資源との関係:URI
関連識別子
識別子タイプ URI
関連識別子 http://jap.aip.org/
関連名称
関連名称 http://jap.aip.org/
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1063/1.3466766
関連名称
関連名称 10.1063/1.3466766
権利
権利情報 Copyright© 2010 American Institute of Physics.
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
WoS
表示名 Web of Science
URL http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000280941000119
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