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Fast piezoresistive...
Fast piezoresistive sensor and UV photodetector based on Mn-doped ZnO nanorods
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- Chey, Chan Oeurn (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska högskolan
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- Liu, Xianjie (author)
- Linköpings universitet,Ytors Fysik och Kemi,Tekniska högskolan
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- Alnoor, Hatim (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska högskolan
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- Nur, Omer (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska högskolan
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- Willander, Magnus (author)
- Linköpings universitet,Fysik och elektroteknik,Tekniska högskolan
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(creator_code:org_t)
- 2014-11-17
- 2015
- English.
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In: Physica Status Solidi. Rapid Research Letters. - : John Wiley & Sons. - 1862-6254 .- 1862-6270. ; 9:1, s. 87-91
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- A low cost hydrothermal synthesis method to synthesize Mn-doped ZnO nanorods (NRs) with controllable morphology and structure has been developed. Ammonia is used to tailor the ammonium hydroxide concentration, which provides a source of OH– for hydrolysis and precipitation during the growth instead of HMT. The morphological, chemical composition, structural, and electronic structure studies of the Mn-doped ZnO NRs show that the Mn-doped ZnO NRs have a hexagonal wurtzite ZnO structure along the c-axis and the Mn ions replace the Zn sites in the ZnO NRs matrix without any secondary phase of metallic manganese element and manganese oxides observed. The fabricated PEDOT:PSS/Zn0.85Mn0.15O Schottky diode based piezoresistive sensor and UV photodetector shows that the piezoresistive sensor has pressure sensitivity of 0.00617 kPa–1 for the pressure range from 1 kPa to 20 kP and 0.000180 kPa–1for the pressure range from 20 kPa to 320 kPa with relatively fast response time of 0.03 s and the UV photodetector has both relatively high responsivity and fast response time of 0.065 A/W and 2.75 s, respectively. The fabricated Schottky diode can be utilized as a very useful human-friendly interactive electronic device for mass/force sensor or UV photodetector in everyday living life. This developed device is very promising for small-size, low-cost and easy-to-customize application-specific requirements. (© 2014 WILEY-VCH Verlag GmbH &Co. KGaA, Weinheim)
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- ZnO nanorods
- Mn doping
- hydrothermal method
- piezoresistive sensors
- ultraviolet photodetectors
- optical properties
Publication and Content Type
- ref (subject category)
- art (subject category)
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