High-Responsivity Ultraviolet Photodetectors With Enhancement of Optical Absorption Using Graphene Components and Al2O3 Layer on Si Substrate

We report on high-responsivity photodetector (PD) designs with Si substrate, Ag layer, graphene (Gr) components, and Al2O3 layer through enhancement of ultraviolet (UV) light absorption. The finite-difference time-domain (FDTD) method is used for PD simulation under normal incidence of UV radiation....

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Bibliographic Details
Published in:	IEEE sensors journal Vol. 24; no. 5; pp. 6006 - 6013
Main Authors:	Jangra, Richa, Mishra, Satyendra K., Sharma, Anuj K.
Format:	Journal Article
Language:	English
Published:	New York IEEE 01.03.2024 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Absorption Aluminum oxide Electromagnetic absorption Finite difference methods Finite difference time domain method Graphene graphene (Gr) Multilayers Optical reflection Optical sensors photodetector (PD) Photoelectric effect Photometers Quantum efficiency responsivity Silicon Silicon substrates Substrates ultraviolet (UV) Ultraviolet detectors Ultraviolet radiation
ISSN:	1530-437X, 1558-1748
Online Access:	Get full text
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