TiO2/Ag hybrid filler with synergistic effect of dielectric modulation and photocharge generation in the natural rubber-based triboelectric nanogenerator

IF 5.7 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Research Bulletin Pub Date : 2025-07-22 DOI:10.1016/j.materresbull.2025.113682

Weeraya Bunriw , Viyada Harnchana , Chalathorn Chanthad , Walailak Kaeochana , Wimonsiri Yamklang , Jirapan Sintusiri , Prasit Thongbai , Vittaya Amornkitbamrung

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Abstract

In this work, a sustainable triboelectric nanogenerator (TENG) is fabricated using natural rubber (NR) filled with TiO₂/Ag hybrid nanoparticles. These TiO₂/Ag nanoparticles are synthesized through a newly developed process to facilitate their dispersion within the NR polymer matrix, leading to a significantly improvement in the energy conversion efficiency of the TENG. The enhanced power output of the NR-TiO₂/Ag TENG reaches a peak power density of 4.44 W/m², which is 13 times greater than that of the pristine NR TENG. This improvement is ascribed to the synergistic effect of the photoelectric property of TiO₂ and the dielectric polarization modulated by the conductive Ag nanoparticles. The increase in dielectric interfacial polarization and photogenerated charge capability contribute to the enhanced triboelectric charge density. This work introduces a novel approach in material engineering for boosting the power output performance of TENG, crucial for development of versatile TENG applications for the next-generation technology.

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在天然橡胶基摩擦电纳米发电机中具有介电调制和光电产生协同效应的TiO2/Ag杂化填料

在这项工作中，使用天然橡胶（NR）填充TiO2/Ag杂化纳米颗粒，制造了一个可持续的摩擦电纳米发电机（TENG）。这些TiO2/Ag纳米颗粒是通过一种新开发的工艺合成的，以促进它们在NR聚合物基体中的分散，从而显著提高了TENG的能量转换效率。增强后的NR- tio2 /Ag TENG的峰值功率密度为4.44 W/m2，是原始NR TENG的13倍。这种改善是由于TiO2的光电特性和导电银纳米粒子调制的介电极化的协同效应。介质界面极化和光生电荷能力的增加有助于摩擦电荷密度的提高。这项工作在材料工程中引入了一种新的方法来提高TENG的功率输出性能，这对于开发下一代技术的多功能TENG应用至关重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materials Research Bulletin 工程技术-材料科学：综合

CiteScore

9.80

自引率

5.60%

发文量

372

审稿时长

42 days

期刊介绍： Materials Research Bulletin is an international journal reporting high-impact research on processing-structure-property relationships in functional materials and nanomaterials with interesting electronic, magnetic, optical, thermal, mechanical or catalytic properties. Papers purely on thermodynamics or theoretical calculations (e.g., density functional theory) do not fall within the scope of the journal unless they also demonstrate a clear link to physical properties. Topics covered include functional materials (e.g., dielectrics, pyroelectrics, piezoelectrics, ferroelectrics, relaxors, thermoelectrics, etc.); electrochemistry and solid-state ionics (e.g., photovoltaics, batteries, sensors, and fuel cells); nanomaterials, graphene, and nanocomposites; luminescence and photocatalysis; crystal-structure and defect-structure analysis; novel electronics; non-crystalline solids; flexible electronics; protein-material interactions; and polymeric ion-exchange membranes.