There is a need to develop inexpensive, lightweight, and flexible high‐performance triboelectric nanogenerators (TENGs) from renewable resources. Here, a multifunctional cellulose filter paper (CFP)‐based TENG consisting of dielectric Ti_0.8O₂ nanosheets (Ti_0.8O₂ NSs) and conducting Ag nanoparticles (Ag NPs) is prepared by a simple dip coating method. The incorporation of dielectric Ti_0.8O₂ NSs onto the CFP significantly improves charge generation, while the inclusion of Ag NPs provides an electrically conductive path for charge transportation. The presence of these fillers can be deduced from XRD, SEM, EDS, X‐ray photoelectron spectroscopy, and Raman spectroscopy. Their distribution is visualized in 3D by synchrotron radiation X‐ray tomography. The present CFP‐based TENG provides an output voltage and current density of ≈42 V and ≈1 µA cm⁻², respectively with the power density of ≈25 µW cm⁻². It is capable of lighting up 40 light‐emitting diode bulbs and charging a 0.22 µF capacitor to 8 V in only 5 s. The developed TENG is also capable of detecting simple human motions, i.e., finger tapping, finger rubbing, and foot trampling. This work offers a facile design of low cost yet efficient paper‐based TENG by dual modification with multifunctional nanomaterials, and also demonstrates its use as a feasible power source that not only drives small electronics, but also scavenges energy from human actions.

中文翻译：

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纤维素纤维纸的多功能纳米材料改性，用于高效摩擦电纳米发电机

有必要利用可再生资源开发廉价，轻便和灵活的高性能摩擦发电纳米发电机（TENG）。在这里，通过简单的浸涂方法制备了一种基于多功能纤维素滤纸（CFP）的TENG，该介质由电介质Ti _0.8 O ₂纳米片（Ti _0.8 O ₂ NSs）和导电银纳米颗粒（Ag NPs）组成。介电体Ti _0.8 O ₂的引入将NSs置于CFP上可显着改善电荷产生，而包含Ag NPs可为电荷传输提供导电路径。这些填料的存在可以从XRD，SEM，EDS，X射线光电子能谱和拉曼光谱推论得出。它们的分布通过同步辐射X射线断层扫描在3D中可视化。当前基于CFP的TENG提供的输出电压和电流密度分别为≈42V和≈1µA cm ^-2，功率密度为≈25µW cm ^-2。它能够点亮40个发光二极管灯泡，并在5 s内将0.22 µF电容器充电至8V。研发的TENG还能够检测简单的人类动作，例如，敲击手指，摩擦手指和践踏脚步。这项工作通过多功能纳米材料的双重改性，提供了一种低成本，高效的纸制TENG的简便设计，并展示了其作为可行的电源的用途，不仅可以驱动小型电子设备，还可以消除人类活动产生的能量。