Piezoelectric Energy Harvesting Using Solar Radiation Pressure Enhanced by Surface Plasmons at Visible to Near‐Infrared Wavelengths

Author:

Ryu Jae-Hoon12,Lee Ha Young12,Kim Sung-Hyun12,Lee Jeong-Yeon12,Jang Jun-Hyeon2,Ahn Hyung Soo2,Hwang Sun-Lyeong3,Taylor Robert A.4,Ha Dong Han5ORCID,Yi Sam Nyung12ORCID

Affiliation:

1. Interdisciplinary Major of Maritime AI Convergence Korea Maritime & Ocean University Busan 49112 South Korea

2. Major of Nano-Semiconductor Engineering Korea Maritime & Ocean University Busan 49112 South Korea

3. Department of ICT Convergence Engineering Kangnam University Yongin 16979 South Korea

4. Department of Physics University of Oxford Oxford OX1 3PU UK

5. Materials and Convergence Measurement Institute Korea Research Institute of Standards and Science Daejeon 34113 South Korea

Abstract

A light‐pressure electric generator (LPEG) device, which harvests piezoelectric energy using solar radiation enhanced by surface plasmons (SPs), is demonstrated. The design of the device is motivated by the need to drastically increase the power output of existing piezoelectric devices based on SP resonance. The solar radiation pressure can be used as an energy source by employing an indium tin oxide (ITO)/Ag double layer to excite the SPs in the near‐infrared (NIR) and visible light regions. The LPEG with the ITO layer generates an open‐circuit voltage of 295 mV, a short‐circuit current of 3.78 μA, and a power of 532.3 μW cm−2 under a solar simulator. The power of the LPEG device incorporating the ITO layer increased by 38% compared to the device without the ITO layer. The effect of the ITO layer on the electrical output of the LPEG was analyzed in detail by measuring the electrical output when visible and NIR lights are incident on the device using optical bandpass filters. In addition, finite‐difference time‐domain simulation confirmed that the pressure of the incident light can be further amplified by the ITO/Ag double layer. Finally, the energy harvested from the LPEG was stored in capacitors to successfully illuminate red light‐emitting diodes.

Funder

Ministry of Science and ICT, South Korea

Korea Institute for Advancement of Technology

Publisher

Wiley

Subject

Electrical and Electronic Engineering,Energy Engineering and Power Technology,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

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