Integrating reduced graphene oxides and PPy nanoparticles for enhanced electricity from water evaporation

IF 4.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Smart and Nano Materials Pub Date : 2023-04-03 DOI:10.1080/19475411.2023.2205176

Bingkun Tian, X. Jiang, Weicun Chu, Chunxiao Zheng, Wanlin Guo, Zhuhua Zhang

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引用次数: 2

Abstract

ABSTRACT Developing high-performance nanostructured materials is key to deliver the potential of hydrovoltaic technology into practical applications. As single-component materials have approached its limit in generating hydrovoltaic electricity, the development of multi-component hydrovoltaic materials has been necessary in continuously boosting the electricity output. Here, we report a hydrovoltaic material by integrating reduced graphene oxides and polypyrrole nanoparticles (rGO/PPy), where the rGO contributes improved conductivity and large specific surface area while PPy nanoparticles enable enhanced interaction with water. The device fabricated with this material generates a short-circuit current of 6 μA as well as a maximum power density of over 1 μW/cm3 from natural evaporation of water. And the substantial ion–PPy interaction enables robust voltage generation from evaporation of various salt solutions. Moreover, an outstanding scaling ability is demonstrated by connecting 10 devices in series that generate a sustainable voltage of up to ~2.5 V, sufficing to power many commercial devices, e.g. LED bulb and LCD screen GRAPHICAL ABSTRACT

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集成还原的石墨烯氧化物和PPy纳米颗粒，增强水蒸发产生的电力

开发高性能纳米结构材料是将水力发电技术的潜力转化为实际应用的关键。由于单组分材料在发电光伏方面已经接近极限，为了不断提高发电量，多组分光伏材料的发展是必要的。在这里，我们通过整合还原石墨烯氧化物和聚吡咯纳米颗粒(rGO/PPy)来报道一种水力发电材料，其中rGO有助于提高电导率和更大的比表面积，而PPy纳米颗粒能够增强与水的相互作用。利用该材料制成的器件可以产生6 μA的短路电流和超过1 μW/cm3的自然蒸发功率密度。大量的离子- ppy相互作用使各种盐溶液的蒸发产生强大的电压。此外，通过将10个器件串联产生高达~2.5 V的持续电压，证明了出色的缩放能力，足以为许多商用器件供电，例如LED灯泡和LCD屏幕

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来源期刊

International Journal of Smart and Nano Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

6.30

自引率

5.10%

发文量

审稿时长

11 weeks

期刊介绍： The central aim of International Journal of Smart and Nano Materials is to publish original results, critical reviews, technical discussion, and book reviews related to this compelling research field: smart and nano materials, and their applications. The papers published in this journal will provide cutting edge information and instructive research guidance, encouraging more scientists to make their contribution to this dynamic research field.