Enhancing bromine-doped CuBiI 4 photodetectors through charge dynamics and conductivity analysis
Lead-free perovskite-like semiconductors exhibit promising optoelectronic properties for various applications, including signal detection. However, the photocurrent density in these materials is often constrained by limitations in photogenerated charge dynamics. In this study, we introduced bromine...
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| Veröffentlicht in: | Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2024-08, Vol.12 (31), p.12054-12063 |
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| container_end_page | 12063 |
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| container_issue | 31 |
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| container_title | Journal of materials chemistry. C, Materials for optical and electronic devices |
| container_volume | 12 |
| creator | Duan, Zhenxing Shu, Yinying Liu, Yanjie Hu, Jundie Qu, Jiafu Gong, Meiying Zhang, Zhichao Sun, Wei Yang, Xiaogang Li, Chang Ming |
| description | Lead-free perovskite-like semiconductors exhibit promising optoelectronic properties for various applications, including signal detection. However, the photocurrent density in these materials is often constrained by limitations in photogenerated charge dynamics. In this study, we introduced bromine dopants into CuBiI
4
crystalline films for the first time and observed a significant enhancement in photocurrent density, increasing by approximately 4.8 times compared to undoped CuBiI
4
. Through comprehensive investigations into band structures, charge separation, and recombination dynamics, we elucidated the mechanisms underlying this enhancement, which proved to have a profound impact on charge densities. Specifically, the internal generation of photocharge densities was found to be influenced by several factors. |
| doi_str_mv | 10.1039/D4TC01944J |
| format | Article |
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4
crystalline films for the first time and observed a significant enhancement in photocurrent density, increasing by approximately 4.8 times compared to undoped CuBiI
4
. Through comprehensive investigations into band structures, charge separation, and recombination dynamics, we elucidated the mechanisms underlying this enhancement, which proved to have a profound impact on charge densities. Specifically, the internal generation of photocharge densities was found to be influenced by several factors.</description><identifier>ISSN: 2050-7526</identifier><identifier>EISSN: 2050-7534</identifier><identifier>DOI: 10.1039/D4TC01944J</identifier><language>eng</language><ispartof>Journal of materials chemistry. C, Materials for optical and electronic devices, 2024-08, Vol.12 (31), p.12054-12063</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-crossref_primary_10_1039_D4TC01944J3</cites><orcidid>0000-0003-3724-2276 ; 0000-0003-3098-8630 ; 0000-0002-4041-2574 ; 0000-0002-1142-3100</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Duan, Zhenxing</creatorcontrib><creatorcontrib>Shu, Yinying</creatorcontrib><creatorcontrib>Liu, Yanjie</creatorcontrib><creatorcontrib>Hu, Jundie</creatorcontrib><creatorcontrib>Qu, Jiafu</creatorcontrib><creatorcontrib>Gong, Meiying</creatorcontrib><creatorcontrib>Zhang, Zhichao</creatorcontrib><creatorcontrib>Sun, Wei</creatorcontrib><creatorcontrib>Yang, Xiaogang</creatorcontrib><creatorcontrib>Li, Chang Ming</creatorcontrib><title>Enhancing bromine-doped CuBiI 4 photodetectors through charge dynamics and conductivity analysis</title><title>Journal of materials chemistry. C, Materials for optical and electronic devices</title><description>Lead-free perovskite-like semiconductors exhibit promising optoelectronic properties for various applications, including signal detection. However, the photocurrent density in these materials is often constrained by limitations in photogenerated charge dynamics. In this study, we introduced bromine dopants into CuBiI
4
crystalline films for the first time and observed a significant enhancement in photocurrent density, increasing by approximately 4.8 times compared to undoped CuBiI
4
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4
crystalline films for the first time and observed a significant enhancement in photocurrent density, increasing by approximately 4.8 times compared to undoped CuBiI
4
. Through comprehensive investigations into band structures, charge separation, and recombination dynamics, we elucidated the mechanisms underlying this enhancement, which proved to have a profound impact on charge densities. Specifically, the internal generation of photocharge densities was found to be influenced by several factors.</abstract><doi>10.1039/D4TC01944J</doi><orcidid>https://orcid.org/0000-0003-3724-2276</orcidid><orcidid>https://orcid.org/0000-0003-3098-8630</orcidid><orcidid>https://orcid.org/0000-0002-4041-2574</orcidid><orcidid>https://orcid.org/0000-0002-1142-3100</orcidid></addata></record> |
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| ispartof | Journal of materials chemistry. C, Materials for optical and electronic devices, 2024-08, Vol.12 (31), p.12054-12063 |
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| language | eng |
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| source | Royal Society Of Chemistry Journals 2008- |
| title | Enhancing bromine-doped CuBiI 4 photodetectors through charge dynamics and conductivity analysis |
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