PANI-reinforced-ZnS/PDMS-based flexible hybrid piezo-triboelectric nanogenerator for self-powered wearable electronics and sensing

IF 5.7 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Research Bulletin Pub Date : 2025-10-01 Epub Date: 2025-04-16 DOI:10.1016/j.materresbull.2025.113482

Puneet Sagar, Binay Kumar

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Abstract

The increasing demand for self-powered electronics and wearable sensors requires efficient and cost-effective renewable energy sources. However, conventional individual piezoelectric and triboelectric nanogenerators suffer from limited output performance. To address the challenges, in present work, we have developed PANIx-reinforced-ZnS/PDMS (x = 0, 0.5, 1, 1.5, 2, and 2.5 wt % PANI)-based hybrid piezo-triboelectric nanogenerators (HPTNGs). Piezoelectric ZnS nanoplates and mulberry-shaped PANI nanoparticles were synthesized by hydrothermal and polymerization methods, respectively. The dielectric study revealed that the dielectric constant of ZnS/PDMS increases with increasing PANI concentration. A gradual enhancement in electrical output performance of HPTNG was observed with an increase in PANI concentration. The PANI2.5-ZnS/PDMS-based HPTNG exhibited a high electrical output of ∼ 180 V and ∼ 280 μW/cm². This device was demonstrated to operate commercial devices such as 80 red LEDs, a wristwatch, and a humidity sensor. Also, the HPTNG exhibited remarkable voltage response to various body movements.

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基于聚苯胺增强zns / pdms的柔性混合压电-摩擦纳米发电机，用于自供电可穿戴电子和传感

自供电电子设备和可穿戴传感器的需求日益增长，这就需要高效、经济的可再生能源。然而，传统的单个压电和三电纳米发电机的输出性能有限。为了应对这些挑战，我们在本研究中开发了基于 PANIx 增强-ZnS/PDMS（x = 0、0.5、1、1.5、2 和 2.5 wt % PANI）的混合压电-三电纳米发电机（HPTNGs）。压电 ZnS 纳米板和桑葚状 PANI 纳米颗粒分别采用水热法和聚合法合成。介电研究表明，ZnS/PDMS 的介电常数随 PANI 浓度的增加而增大。随着 PANI 浓度的增加，HPTNG 的电输出性能逐渐增强。基于 PANI2.5-ZnS/PDMS 的 HPTNG 显示出 ∼ 180 V 和 ∼ 280 μW/cm² 的高电输出。经演示，该装置可操作 80 个红色 LED、手表和湿度传感器等商用设备。此外，HPTNG 对人体的各种运动都有显著的电压响应。

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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.