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Lead-Free Cs2BiAgBr...
Lead-Free Cs2BiAgBr6 Double Perovskite-Based Humidity Sensor with Superfast Recovery Time
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- Weng, Zhenhua (författare)
- Fudan Univ, Ctr Micronano Syst, Shanghai 200433, Peoples R China.
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- Qin, Jiajun (författare)
- Fudan Univ, Ctr Micronano Syst, Shanghai 200433, Peoples R China.;Fudan Univ, Minist Educ, Key Lab Micro & Nano Photon Struct, State Key Lab Surface Phys, Shanghai 200433, Peoples R China.;Fudan Univ, Collaborat Innovat Ctr Adv Microstruct, Shanghai 200433, Peoples R China.
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- Umar, Akrajas Ali (författare)
- Fudan Univ, Ctr Micronano Syst, Shanghai 200433, Peoples R China.;Univ Kebangsaan Malaysia, Inst Microengn & Nanoelect, Bangi 43600, Selangor, Malaysia.
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- Wang, Jiao (författare)
- Fudan Univ, Ctr Micronano Syst, Shanghai 200433, Peoples R China.
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- Zhang, Xin (författare)
- Fudan Univ, Ctr Micronano Syst, Shanghai 200433, Peoples R China.
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- Wang, Haoliang (författare)
- Fudan Univ, Ctr Micronano Syst, Shanghai 200433, Peoples R China.;Chinese Acad Sci, Shanghai Inst Tech Phys, State Key Lab Infrared Phys, 500 Yu Tian Rd, Shanghai 200083, Peoples R China.
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- Cui, Xiaolei (författare)
- Fudan Univ, Ctr Micronano Syst, Shanghai 200433, Peoples R China.
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- Li, Xiaoguo (författare)
- Fudan Univ, Ctr Micronano Syst, Shanghai 200433, Peoples R China.;Inner Mongolia Univ, Semicond Photovolta Technol Key Lab, 235 West Univ Rd, Hohhot 010021, Inner Mongolia, Peoples R China.
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- Zheng, Li-rong (författare)
- KTH
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- Zhan, Yiqiang (författare)
- Fudan Univ, Ctr Micronano Syst, Shanghai 200433, Peoples R China.
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Fudan Univ, Ctr Micronano Syst, Shanghai 200433, Peoples R China Fudan Univ, Ctr Micronano Syst, Shanghai 200433, Peoples R China.;Fudan Univ, Minist Educ, Key Lab Micro & Nano Photon Struct, State Key Lab Surface Phys, Shanghai 200433, Peoples R China.;Fudan Univ, Collaborat Innovat Ctr Adv Microstruct, Shanghai 200433, Peoples R China. (creator_code:org_t)
- 2019-04-15
- 2019
- Engelska.
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Ingår i: Advanced Functional Materials. - : WILEY-V C H VERLAG GMBH. - 1616-301X .- 1616-3028. ; 29:24
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Lead halide perovskites have demonstrated outstanding achievements in photoelectric applications owing to their unique properties. However, the moisture sensitivity of lead halide perovskite has rarely been developed into an applicable humidity sensor due to the intrinsic instability and toxicity issue. Herein, as a highly stable lead-free perovskite, a Cs2BiAgBr6 thin film is chosen to be the active material for humidity sensor due to its extraordinary humidity-dependent electrical properties and good stability. This Cs2BiAgBr6 thin film humidity sensor demonstrates a superfast response time (1.78 s) and recovery time (0.45 s). The superfast response and recovery properties can be attributed to the reversible physisorption of water molecules, which can be easily adsorbed onto or desorbed from the thin film surface. Moreover, the sensor also shows an excellent reliability and stability properties as well as logarithmic linearity in a relative humidity's range of 15% to 78%. The lead-free Cs2BiAgBr6 perovskite possesses great potential for application in real-time humidity sensing.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Nyckelord
- Cs2BiAgBr6
- humidity sensor
- lead-free perovskite
- superfast recovery
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- art (ämneskategori)
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- Av författaren/redakt...
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Weng, Zhenhua
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Qin, Jiajun
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Umar, Akrajas Al ...
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Wang, Jiao
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Zhang, Xin
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Wang, Haoliang
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visa fler...
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Cui, Xiaolei
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Li, Xiaoguo
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Zheng, Li-rong
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Zhan, Yiqiang
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visa färre...
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