Long-life diamond-based tribovoltaic nanogenerator

IF 16.8 1区材料科学 Q1 CHEMISTRY, PHYSICAL

Nano Energy Pub Date : 2024-11-13 DOI:10.1016/j.nanoen.2024.110469

Ye Yang , Weiran Zou , Jinfeng Xu , Kang An , Lina Si , Fengbin Liu , Huanxiong Xia

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引用次数: 0

Abstract

The semiconductor direct-current tribovoltaic nanogenerator (SDC-TVNG) is promising for developing a new semiconductor energy technology. However, dynamic metal–semiconductor Schottky contact interfaces suffer from wear which affects their working lifetime and limits their practical applications. Here, the SDC-TVNG built with a diamond without wear for ultralong life is reported. The triboelectrification and tribological characteristics of the diamond-based direct-current tribovoltaic nanogenerator (DDC-TVNG) are systematically studied with a ball-on-flat configuration. The DDC-TVNG maintains high triboelectric output after 345,600 reciprocating cycles without wear under the contact pressure of 2.0 GPa, which is far more than that of the silicon-based DC-TVNG. An increased normal load and sliding frequency enhance the triboelectric output. The extremely high hardness and anti-wear ability of the diamond is the key to the long lifetime performance. This work extends the investigation of semiconductor tribovoltaic nanogenerator and contributes to a deeper understanding of the tribovoltaic effect.

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长寿命金刚石基光伏纳米发电机

半导体直流光伏纳米发电机（SDC-TVNG）在开发新的半导体能源技术方面前景广阔。然而，动态金属-半导体肖特基接触界面的磨损会影响其工作寿命，并限制其实际应用。本文报告了使用金刚石制造的无磨损超长寿命 SDC-TVNG。通过球对扁平配置，系统地研究了基于金刚石的直流摩擦光伏纳米发电机（DDC-TVNG）的三电化和摩擦学特性。在 2.0 GPa 的接触压力下，DDC-TVNG 经过 345 600 次往复循环后仍能保持较高的三发电量，且无磨损，远高于硅基 DC-TVNG。正常载荷和滑动频率的增加提高了三电输出。金刚石极高的硬度和抗磨损能力是其长寿命性能的关键。这项研究拓展了对半导体光伏纳米发电机的研究，有助于加深对光伏效应的理解。

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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.