Abstract

In this study, we focused on building a system for the Photo-Seebeck effect through localized surface plasmonic resonance (LSPR) effect-induced optical gating to increase the Seebeck coefficient independently by increasing the degree of freedom of the system using light. The noise level of the thermovoltage of the ZnO@Ag thin film (~80 nm) using an AC heater as a platform for observing Photo-Seebeck, is 100 µV, which is 20 % of the signal. We considered a system that measures the thermoelectric voltage without noise through local laser heating so as to improve the system. Through this research, a low-noise Seebeck measurement system was developed, and it is expected to be used as a test bed for LSPR optical gating.

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