Chakraborty Ishita, Lai Sz-Nian, Wu Jyh-Ming, Lai Chao-Sung
Department of Electronic Engineering, Chang Gung University, Guishan District, Taoyuan City 33302, Taiwan.
Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu 30010, Taiwan.
Nanomaterials (Basel). 2022 Mar 30;12(7):1147. doi: 10.3390/nano12071147.
Eco-friendly energy harvesting from the surrounding environment has been triggered extensive researching enthusiasm due to the threat of global energy crisis and environmental pollutions. By the conversion of mechanical energy that is omnipresent in our environment into electrical energy, triboelectric nanogenerator (TENG) can potentially power up small electronic devices, serves as a self-powered detectors and predominantly, it can minimize the energy crisis by credibly saving the traditional non-renewable energy. In this study, we present a novel bio-based TENG comprising PDMS/α-FeO nanocomposite film and a processed human hair-based film, that harvests the vibrating energy and solar energy simultaneously by the integration of triboelectric technology and photoelectric conversion techniques. Upon illumination, the output voltage and current signals rapidly increased by 1.4 times approximately, compared to the dark state. Experimental results reveal that the photo-induced enhancement appears due to the effective charge separation depending on the photosensitivity of the hematite nanoparticles (α-FeO nanoparticles) over the near ultraviolet (UV), visible and near infrared (IR) regions. Our work provides a new approach towards the self-powered photo-detection, while developing a propitious green energy resource for the circular bio-economy.
由于全球能源危机和环境污染的威胁，从周围环境中进行环保型能量收集引发了广泛的研究热情。通过将我们环境中无处不在的机械能转换为电能，摩擦纳米发电机（TENG）有潜力为小型电子设备供电，作为自供电探测器，并且主要地，它可以通过可靠地节省传统不可再生能源来最大限度地减少能源危机。在本研究中，我们展示了一种新型的基于生物的TENG，它由聚二甲基硅氧烷/α - 氧化铁纳米复合膜和经过处理的人发基膜组成，通过摩擦电技术和光电转换技术的整合同时收集振动能量和太阳能。光照下，与黑暗状态相比，输出电压和电流信号迅速增加了约1.4倍。实验结果表明，光致增强现象的出现是由于赤铁矿纳米颗粒（α - 氧化铁纳米颗粒）在近紫外（UV）、可见光和近红外（IR）区域的光敏性导致的有效电荷分离。我们的工作为自供电光探测提供了一种新方法，同时为循环生物经济开发了一种有利的绿色能源资源。
