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Silver-Nanowire-Embedded Transparent Metal-Oxide Heterojunction Schottky Photodetector
- Issue Date
- May-2018
- Publisher
- American Chemical Society
- Keywords
- transparent; heterojunction; silver nanowires; metal oxides; multijunction; high performing
- Citation
- ACS Applied Materials and Interfaces, v.10, no.17, pp 14292 - 14298
- Pages
- 7
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- ACS Applied Materials and Interfaces
- Volume
- 10
- Number
- 17
- Start Page
- 14292
- End Page
- 14298
- ISSN
- 1944-8244
1944-8252
- Abstract
- We report a self-biased and transparent Cu4O3/TiO2 heterojunction for ultraviolet photodetection. The dynamic photoresponse improved 8.5 X 10(4)% by adding silver nanowires (AgNWs) Schottky contact and maintaining 39% transparency. The current density voltage characteristics revealed a strong interfacial electric field, responsible for zero-bias operation. In addition, the dynamic photoresponse measurement endorsed the effective holes collection by embedded-AgNWs network, leading to fast rise and fall time of 0.439 and 0.423 ms, respectively. Similarly, a drastic improvement in responsivity and detectivity of 187.5 mAW(-1) and of 5.13 X 10(9) Jones, is observed, respectively. The AgNWs employed as contact electrode can ensure high-performance for transparent and flexible optoelectronic applications.
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Related Researcher
- Lee, Jung-Ho
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)