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Tunable Open Circuit Voltage by Engineering Inorganic Cesium Lead Bromide/Iodide Perovskite Solar Cells
http://hdl.handle.net/10228/00006584
http://hdl.handle.net/10228/000065847333f428-3c8e-4dae-81d1-b3e158178afe
名前 / ファイル | ライセンス | アクション |
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SR8_2482.pdf (2.3 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||
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公開日 | 2018-02-26 | |||||
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 | ||||||
タイトル | Tunable Open Circuit Voltage by Engineering Inorganic Cesium Lead Bromide/Iodide Perovskite Solar Cells | |||||
言語 | ||||||
言語 | eng | |||||
著者 |
Ng, Chi Huey
× Ng, Chi Huey× Ripolles, Teresa S.× Hamada, Kengo× Teo, Siow Hwa× Lim, Hong Ngee× Bisquert, Juan× 早瀬, 修二 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Perovskite solar cells based on series of inorganic cesium lead bromide and iodide mixture, CsPbBr3-xI x , where x varies between 0, 0.1, 0.2, and 0.3 molar ratio were synthesized by two step-sequential deposition at ambient condition to design the variations of wide band gap light absorbers. A device with high overall photoconversion efficiency of 3.98 % was obtained when small amount of iodide (CsPbBr2.9I0.1) was used as the perovskite and spiro-OMeTAD as the hole transport material (HTM). We investigated the origin of variation in open circuit voltage, Voc which was shown to be mainly dependent on two factors, which are the band gap of the perovskite and the work function of the HTM. An increment in Voc was observed for the device with larger perovskite band gap, while keeping the electron and hole extraction contacts the same. Besides, the usage of bilayer P3HT/MoO3 with deeper HOMO level as HTM instead of spiro-OMeTAD, thus increased the Voc from 1.16 V to 1.3 V for CsPbBr3 solar cell, although the photocurrent is lowered due to charge extraction issues. The stability studies confirmed that the addition of small amount of iodide into the CsPbBr3 is necessarily to stabilize the cell performance over time. | |||||
書誌情報 |
Scientific Reports 巻 8, p. 2482-1-2482-9, 発行日 2018-02-06 |
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出版社 | ||||||
出版者 | Nature Publishing Group | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1038/s41598-018-20228-0 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2045-2322 | |||||
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 | |||||
連携ID | ||||||
6676 | ||||||
資料タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | Journal Article | |||||
著者所属 | ||||||
Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology | ||||||
著者所属 | ||||||
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology | ||||||
著者所属 | ||||||
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology | ||||||
著者所属 | ||||||
Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology | ||||||
著者所属 | ||||||
Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Functional Device Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia | ||||||
著者所属 | ||||||
Institute of Advanced Materials (INAM), Department of Chemistry, Faculty of Science, King Abdulaziz Universit | ||||||
著者所属 | ||||||
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology |