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Slow hot carrier cooling in cesium lead iodide perovskites
http://hdl.handle.net/10228/00006944
http://hdl.handle.net/10228/00006944e583532e-bde9-4174-a08f-a70006188eaf
名前 / ファイル | ライセンス | アクション |
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APL111_153903.pdf (1.4 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||
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公開日 | 2018-10-09 | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Slow hot carrier cooling in cesium lead iodide perovskites | |||||
言語 | ||||||
言語 | eng | |||||
著者 |
Shen, Qing
× Shen, Qing× Ripolles, Teresa S.× Even, Jacky× 尾込, 裕平× Nishinaka, Koji× Izuishi, Takuya× Nakazawa, Naoki× Zhang, Yaohong× Ding, Chao× Liu, Feng× Toyoda, Taro× Yoshino, Kenji× Minemoto, Takashi× Katayama, Kenji× 早瀬, 修二 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Lead halide perovskites are attracting a great deal of interest for optoelectronic applications such as solar cells, LEDs, and lasers because of their unique properties. In solar cells, heat dissipation by hot carriers results in a major energy loss channel responsible for the Shockley–Queisser efficiency limit. Hot carrier solar cells offer the possibility to overcome this limit and achieve energy conversion efficiency as high as 66% by extracting hot carriers. Therefore, fundamental studies on hot carrier relaxation dynamics in lead halide perovskites are important. Here, we elucidated the hot carrier cooling dynamics in all-inorganic cesium lead iodide (CsPbI3) perovskite using transient absorption spectroscopy. We observe that the hot carrier cooling rate in CsPbI3 decreases as the fluence of the pump light increases and the cooling is as slow as a few 10 ps when the photoexcited carrier density is 7 × 1018 cm−3, which is attributed to phonon bottleneck for high photoexcited carrier densities. Our findings suggest that CsPbI3 has a potential for hot carrier solar cell applications. | |||||
書誌情報 |
Applied Physics Letters 巻 111, 号 15, p. 153903-1-153903-5, 発行日 2017-10-09 |
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出版社 | ||||||
出版者 | American Institute of Physics | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.4991993 | |||||
論文ID(NAID) | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | NAID | |||||
関連識別子 | 120006529956 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00543431 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0003-6951 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1077-3118 | |||||
著作権関連情報 | ||||||
権利情報 | The following article has been submitted accepted by Applied Physics Letters. After it is published, it will be found at https://doi.org/10.1063/1.4991993. | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
査読の有無 | ||||||
値 | yes | |||||
研究者情報 | ||||||
https://hyokadb02.jimu.kyutech.ac.jp/html/322_ja.html | ||||||
論文ID(連携) | ||||||
10310143 | ||||||
連携ID | ||||||
6669 | ||||||
資料タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | Journal Article |