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首页> 外文期刊>Nano Energy >Mechanical energy harvesting properties of free-standing carbyne enriched carbon film derived from dehydrohalogenation of polyvinylidene fluoride
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Mechanical energy harvesting properties of free-standing carbyne enriched carbon film derived from dehydrohalogenation of polyvinylidene fluoride

机译：从聚偏氟乙烯氟脱氢衍生的自由站立式钙碳薄膜的机械能收割性能

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摘要

The development of functional materials towards mechanical energy harvesting applications is rapidly increasing during this decade. In this study, we are reporting the mechanical energy harvesting properties of freestanding carbyne-enriched carbon film (prepared via dehydrohalogenation of PVDF). Physico-chemical characterizations such as X-ray diffraction, Fourier-transformed infrared spectroscopy, X-ray photoelectron spectroscopy, C-13 NMR spectroscopy, and laser Raman spectral analyses confirmed the formation of the carbyne enriched carbon film. The Raman mapping analysis revealed the homogeneous distribution of cumulenic (beta-carbyne) networks in carbonoid matrix of the prepared film. The mechanical energy harvesting properties of carbyne-enriched carbon film have been examined under various applied compressive forces. The carbyne-enriched carbon film based energy harvester generates a peak to peak voltage of 6.48 V using a periodic force of 0.2 N, and the output voltage is directly proportional to the levels of applied compressive force. The carbyne enriched carbon film based energy harvester possesses an instantaneous power density of about 72 nW cm(-2) with excellent electromechanical stability. These experimental findings ensure the use of carbyne-enriched carbon film as a mechanical energy harvester for the first time, which can create new insights towards the development of carbon-based mechanical energy harvesters.
机译：在这十年期间，朝向机械能收割应用的功能材料的开发正在迅速增加。在这项研究中，我们报道了独立式富含钙碳膜的机械能收割性能（通过PVDF的脱氢制备）。诸如X射线衍射，傅里叶变换的红外光谱，X射线光电子能谱，C-13 NMR光谱和激光拉曼光谱分析的物理化学特征证实了钙富碳膜的形成。拉曼映射分析显示制备薄膜的碳化膜中Cumulenic（Beta-Carbyne）网络的均匀分布。在各种施加的压缩力下检查了富含富含富含碳膜的机械能量采集性能。使用0.2n的周期性，富含钙的碳膜的能量收割机产生6.48V的峰值电压的峰值，输出电压与施加的压缩力的水平成正比。基于Carbyne的富含碳膜膜的能量收割机具有瞬时功率密度，具有优异的机电稳定性。这些实验结果是第一次使用Caryne--Riched碳膜作为机械能源收割机的使用，这可以为碳基机械能收割机开发新的见解。

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