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Self-powered photo-...
Self-powered photo-thermo electrochemical sensor for harvesting of low photo thermal energy
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- Ali, Faheem (author)
- University of Engineering and Technology, Peshawar
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- Ajmal, Hafiz Muhammad Salman (author)
- Dongguk University, Seoul
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- Khan, Waqar (author)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2020-12-15
- 2020
- English.
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In: Energy Sources, Part A: Recovery, Utilization and Environmental Effects. - : Informa UK Limited. - 1556-7036 .- 1556-7230.
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Abstract
Subject headings
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- An ecofriendly design of low-cost electrochemical sensor activated by low-grade photo-thermal energy can be a prime stepping-stone for the perspective developments of various renewable energy conversion and utilization schemes. In this study, an investigation of n-type indium arsenide (n-InAs)/aqueous solution of orange dye (OD)/Zinc (Zn) sensor was carried out at various molarities of 1, 2, and 3 mM of electrolytes under variable visible light illumination. OD was employed as a photo-active electrolyte, which is nontoxic and water-soluble organic semiconductor material. n-InAs was employed as a photoactive electrode while Zn was used as a counter metal electrode in our sensor configuration. The operation mechanism is based on the electrochemical-cell principle associated with photo-thermal energy splint. Photoinduced current-voltage characteristics, sensor stability, and a real-time transient characteristics were investigated using three different concentrations of electrolyte. A relatively improved response time was attained of 3 mM OD-electrolyte sensor with an inter-electrode distance of 3 mm under a light illumination of 95 mW/cm2 and a temperature gradient of 1.5°C.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- InAs photo electrode
- Organic sensor
- photo-thermo-electrochemical
- Zn electrode
Publication and Content Type
- art (subject category)
- ref (subject category)
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