Md Arifur Rahman Barno , Shuvaraj Ghosh , Malkeshkumar Patel , Sourov Hossain , Sanh Vo Thi , Cho Seung Hee , Yejun Seo , Sungtek Kahng , Joondong Kim
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引用次数: 0
Abstract
Near-field communication (NFC) technology involves short-range wireless communication between common electronic devices, such as smart cards, car keys, and house and office keys. NFC enables contactless data transfer, secure authentication, and power transfer through electromagnetic fields, greatly facilitating easy and convenient applications and data use. Conversely, transparent photovoltaics (TPVs), which combine visible transparency with solar energy conversion, are being developed for applications where conventional opaque solar cells are unlikely to be feasible, such as building or vehicle windows. This research proposes to combine NFC and TPV to obtain power generation and secure wireless communication in a single device, specifically on a glass substrate, using a sputtering technique. The device will facilitate future electronics to communicate using NFC and TPV cells offer the advantage of harvesting energy in the visible range and blocking harmful ultraviolet radiation from sunlight. In the fabricated NFC-integrated TPV device, an approximately 200 nm thick NFC coil (ITO/Ag) exhibited an inductance of over 2 microhenries at the resonant frequency of 13.56 MHz. This coil can successfully read NFC card and illuminate a red-light-emitting diode using wireless power. Additionally, the titanium-doped zinc oxide (Ti:ZnO) TPV shows approximately 70 % transparency with an open-circuit voltage of 305 mV under 365 nm illumination at an intensity of 38 mW/cm2. By exploring innovative fabrication techniques and materials, we aim to develop a multifunctional substrate that efficiently combines functionalities such as wireless communication and power generation for battery-free security locks, energy-efficient smart windows, and other applications, thereby optimizing space utilization and promoting sustainable energy solutions.
期刊介绍:
Sensors and Actuators A: Physical brings together multidisciplinary interests in one journal entirely devoted to disseminating information on all aspects of research and development of solid-state devices for transducing physical signals. Sensors and Actuators A: Physical regularly publishes original papers, letters to the Editors and from time to time invited review articles within the following device areas:
• Fundamentals and Physics, such as: classification of effects, physical effects, measurement theory, modelling of sensors, measurement standards, measurement errors, units and constants, time and frequency measurement. Modeling papers should bring new modeling techniques to the field and be supported by experimental results.
• Materials and their Processing, such as: piezoelectric materials, polymers, metal oxides, III-V and II-VI semiconductors, thick and thin films, optical glass fibres, amorphous, polycrystalline and monocrystalline silicon.
• Optoelectronic sensors, such as: photovoltaic diodes, photoconductors, photodiodes, phototransistors, positron-sensitive photodetectors, optoisolators, photodiode arrays, charge-coupled devices, light-emitting diodes, injection lasers and liquid-crystal displays.
• Mechanical sensors, such as: metallic, thin-film and semiconductor strain gauges, diffused silicon pressure sensors, silicon accelerometers, solid-state displacement transducers, piezo junction devices, piezoelectric field-effect transducers (PiFETs), tunnel-diode strain sensors, surface acoustic wave devices, silicon micromechanical switches, solid-state flow meters and electronic flow controllers.
Etc...