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Hydrothermally grow...
Hydrothermally grown SnS2/Si nanowire core-shell heterostructure photodetector with excellent optoelectronic performances
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- Das, Sourav (författare)
- Indian Inst Technol Kharagpur, Sch Nanosci & Technol, Kharagpur 721302, India.
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- Pal, Sourabh (författare)
- Indian Inst Technol Kharagpur, Adv Technol & Dev Ctr, Kharagpur 721302, India.
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- Larsson, Karin, 1955- (författare)
- Uppsala universitet,Oorganisk kemi
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- Mandal, Debabrata (författare)
- Indian Inst Technol Kharagpur, Sch Nanosci & Technol, Kharagpur 721302, India.
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- Giri, Soumen (författare)
- Indian Inst Technol Kharagpur, Mat Sci Ctr, Kharagpur 721302, India.
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- Banerji, Pallab (författare)
- Indian Inst Technol Kharagpur, Sch Nanosci & Technol, Kharagpur 721302, India.;Indian Inst Technol Kharagpur, Adv Technol & Dev Ctr, Kharagpur 721302, India.;Indian Inst Technol Kharagpur, Mat Sci Ctr, Kharagpur 721302, India.
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- Chandra, Amreesh (författare)
- Indian Inst Technol Kharagpur, Dept Phys, Kharagpur 721302, India.
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- Basori, Rabaya (författare)
- Indian Inst Technol Kharagpur, Sch Nanosci & Technol, Kharagpur 721302, India.
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Indian Inst Technol Kharagpur, Sch Nanosci & Technol, Kharagpur 721302, India Indian Inst Technol Kharagpur, Adv Technol & Dev Ctr, Kharagpur 721302, India. (creator_code:org_t)
- Elsevier, 2023
- 2023
- Engelska.
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Ingår i: Applied Surface Science. - : Elsevier. - 0169-4332 .- 1873-5584. ; 624
- 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
- Core-shell nanowire heterostructure is a new architecture for photodetector application with enlarged active surface area enhancing light absorption and photodetector performance. As an emanating coating material, SnS2 has a growing interest in next-generation optoelectronic materials. Here, we reported the enhanced optoelectronic performance of the hydrothermally grown SnS2 and Si nanowire (SiNWs) core-shell heterostructure. Hydrothermally grown SnS2 on Si nanowire creates a uniform coating over the entire surface of nanowires which enhances the heterostructure's effective junction area and improves optoelectronic performance over the broad spectral range (300 - 1100 nm). Specially, under 340 nm illumination, the core-shell photodetector exhibits large responsivity (-383 A/W) and extremely high external quantum efficiency (-2 x 105 %) at very low optical power (-20 nW/mm2). This SnS2/SiNWs core-shell heterostructure with significantly improved optoelectronic performance will be favourable for the development of photodetector with an ability to work with extremely high efficiency.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- SnS 2
- Si nanowire
- Core -shell heterostructure
- EQE
- Responsivity
- Low-power photodetector
- Enhanced active junction area
- Cylindrical built-in-potential
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