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Optical and electrical properties of Cu-based all oxide semi-transparent photodetector

Title
Optical and electrical properties of Cu-based all oxide semi-transparent photodetector
Authors
Kim, Hong-SikPatel, MalkeshkumarYadav, PankajKim, JoondongSohn, AhrumKim, Dong-Wook
Ewha Authors
김동욱
SCOPUS Author ID
김동욱scopus
Issue Date
2016
Journal Title
APPLIED PHYSICS LETTERS
ISSN
0003-6951JCR Link1077-3118JCR Link
Citation
vol. 109, no. 10, pp. 51 - 55
Publisher
AMER INST PHYSICS
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Zero-bias operating Cu oxide-based photodetector was achieved by using large-scale available sputtering method. Cu oxide (Cu2O or CuO) was used as p-type transparent layer to form a hetero-junction by contacting n-type ZnO layer. All metal-oxide materials were employed to realize transparent device at room temperature and showed a high transparency (>75% at 600 nm) with excellent photoresponses. The structural, morphological, optical, and electrical properties of Cu oxides of CuO and Cu2O are evaluated in depth by UV-visible spectrometer, X-ray diffraction, scanning electron microscopy, atomic force microscopy, Kelvin probe force microscopy, and Hall measurements. We may suggest a route of high-functional Cu oxide-based photoelectric devices for the applications in flexible and transparent electronics. Published by AIP Publishing.
DOI
10.1063/1.4961692
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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