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Bismuth nanoplatelets : universal synthetic strategy and emerging application for PEC-type photodetectors
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- Zhao, Y. (author)
- Zhejiang Univ Technol, Inst Ind Catalysis, Coll Chem Engn, Hangzhou ChaoWang Rd 18, Hangzhou 310014, Peoples R China.;Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, Key Lab Organosilicon Chem & Mat Technol, Key Lab Organosilicon Mat Technol,Minist Educ, Hangzhou 311121, Zhejiang, Peoples R China.
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- Kuklin, Artem V. (author)
- Uppsala universitet,Institutionen för fysik och astronomi
- Huang, H. (author)
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- Zhejiang Univ Technol, Inst Ind Catalysis, Coll Chem Engn, Hangzhou ChaoWang Rd 18, Hangzhou 310014, Peoples R China;Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, Key Lab Organosilicon Chem & Mat Technol, Key Lab Organosilicon Mat Technol,Minist Educ, Hangzhou 311121, Zhejiang, Peoples R China. Institutionen för fysik och astronomi (creator_code:org_t)
- Elsevier BV, 2023
- 2023
- English.
- In: MATERIALS TODAY NANO. - : Elsevier BV. - 2588-8420. ; 23
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Bi nanoplatelets (NPLs) with a narrow size distribution and high yield have been successfully fabricated by a novel two-step sonication-assisted solvothermal method. Applied as photo-electrochemical (PEC)-type photodetectors (PDs), it is shown that the Bi NPLs exhibit a pronounced photo-response ranging from the ultraviolet to the visible regions. The photo-response performance of Bi NPLs-based PDs was adjusted by external conditions and interpreted by density functional theory calculations in terms of the formation of the respective Bi-based compounds. The PEC results demonstrate that the optimal photocurrent density (P-ph) and photoresponsivity (R-ph) can reach 12.27 mu A/cm(2) and 3016 mu A/W in alkaline electrolytes, respectively. Besides, the Bi NPLs-based PDs exhibit superb long-term cycling stability (similar to 97.86% remained after 1000 cycles). We conclude that Bi NPLs demonstrate great promise as an emerging building block for the design of high-performance PEC-type PDs as well as other novel optoelectronic devices, holding the potential for breakthrough developments in these fields.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- Bi NPLs
- Broadband
- Photodetector
- DFT
- Bi oxides
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Zhao, Y.
- Kuklin, Artem V.
- Huang, H.
- Zhang, Q.
- Wei, S.
- Zhang, H.
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- Yu, C.
- Li, Y.
- Agren, H.
- Gao, L.
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- Uppsala University
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