Self-Powered AlGaN/GaN HEMT-Based Sensor Integrated with Rotational TENG for Comprehensive Water Quality Analysis

IF 16.8 1区材料科学 Q1 CHEMISTRY, PHYSICAL Nano Energy Pub Date : 2025-01-06 DOI:10.1016/j.nanoen.2024.110637

Manish Kumar Sharma, Yen-Jui Lin, Chia-Kai Lin, Bishal Kumar Nahak, Chun-Ju Huang, Chun Cheng Chen, Yu-Lin Wang, Zong-Hong Lin

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Abstract

High-electron-mobility transistors (HEMTs) are recognized for their high electron mobility, exceptional sensitivity and linear response, making them ideal for precise sensing applications. This study introduces a novel, self-powered monitoring system that integrates a rotating triboelectric nanogenerator (R-TENG) with an AlGaN/GaN HEMT sensor for detecting pH levels, heavy metals (Cr⁶⁺, As³⁺, Pb²⁺), pesticides (chlorpyrifos) and microplastics (polystyrene) under aquatic conditions. The encapsulated device constructed with acrylic layers and magnetic coupling, operates reliably underwater, achieving a 75 V output at 7 μA at 100 rpm. Demonstrating high pH sensitivity (-13.93 mA/pH) with strong linearity (R² = 0.98), the HEMT sensor effectively detects pollutants at trace levels, distinguishing concentrations down to nanomolar ranges. Operating at a peak power of 76.64 μW and switching frequency of 60 Hz, this innovative system facilitates continuous, long-term environmental monitoring, harnessing water wave energy to enable sustainable pollutant detection in remote or harsh aquatic environments.

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来源期刊

Nano Energy CHEMISTRY, PHYSICAL-NANOSCIENCE & NANOTECHNOLOGY

CiteScore

30.30

自引率

7.40%

发文量

1207

审稿时长

23 days

期刊介绍： Nano Energy is a multidisciplinary, rapid-publication forum of original peer-reviewed contributions on the science and engineering of nanomaterials and nanodevices used in all forms of energy harvesting, conversion, storage, utilization and policy. Through its mixture of articles, reviews, communications, research news, and information on key developments, Nano Energy provides a comprehensive coverage of this exciting and dynamic field which joins nanoscience and nanotechnology with energy science. The journal is relevant to all those who are interested in nanomaterials solutions to the energy problem. Nano Energy publishes original experimental and theoretical research on all aspects of energy-related research which utilizes nanomaterials and nanotechnology. Manuscripts of four types are considered: review articles which inform readers of the latest research and advances in energy science; rapid communications which feature exciting research breakthroughs in the field; full-length articles which report comprehensive research developments; and news and opinions which comment on topical issues or express views on the developments in related fields.