研究目的
To study the surface potential of a metal-polymer hybrid layer and its effect on the performance of a triboelectric nanogenerator (TENG), providing insights for designing high-performance TENGs.
研究成果
The surface potential of AgNW-polymer hybrid films can be modulated by the type of polymer and AgNW density, affecting TENG performance. A larger tribopotential difference between contact surfaces leads to higher TENG output, providing a basis for optimizing triboelectric layers in energy harvesting devices.
研究不足
The study is limited to specific polymers (PVC and PMMA) and AgNWs; other materials may exhibit different behaviors. The fabrication process may not be scalable for all applications, and environmental factors like humidity were not extensively controlled.
1：Experimental Design and Method Selection:
The study involved fabricating Ag nanowire (AgNW)-polymer hybrid layers using polymers with different tribopotentials (PVC and PMMA), and systematically investigating their surface potentials via Kelvin probe force microscopy (KPFM) to understand charge transfer effects. TENG performance was evaluated based on triboelectric potential differences.
2：Sample Selection and Data Sources:
AgNWs with specified dimensions were used, embedded in PVC or PMMA matrices. Samples included bare polymers and hybrids with varying AgNW densities.
3：List of Experimental Equipment and Materials:
Equipment included Meyer rods for coating, spin coaters, compression rollers, AFM, SEM, KPFM, sheet resistance meters, oscilloscopes, and current preamplifiers. Materials included AgNWs, ODTS-treated glass, PMMA, PVC, PET films, PFA, Nylon, and solvents.
4：Experimental Procedures and Operational Workflow:
AgNWs were coated onto ODTS-treated glass using Meyer rods, polymer solutions were spin-coated, PET films laminated and peeled off. Surface morphologies and potentials were measured with AFM, SEM, and KPFM. TENG devices were fabricated and their electrical outputs measured under controlled conditions.
5：Data Analysis Methods:
Surface potential data from KPFM were analyzed using Lorentzian-Gaussian deconvolution. TENG outputs were measured and correlated with surface potentials. Finite element method simulations using COMSOL were performed to validate results.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容-
Field-Emission Scanning Electron Microscope
JSM-7600F
JEOL, Ltd.
Used for imaging the surface morphologies of the hybrid films.
-
Digital Phosphor Oscilloscope
DPO 3052
Tektronix
Used for measuring the voltage output of TENG devices.
-
Low-Noise Current Preamplifier
SR570
Stanford Research Systems, Inc.
Used for measuring the current output of TENG devices.
-
Keithley Instruments
2182A and 6221
Keithley
Used for measuring sheet resistances of AgNW films.
-
Poly(methyl methacrylate)
Mw = 120,000
Aldrich
Used as a polymer matrix with positive tribopotential for embedding AgNWs.
-
Polyvinylchloride
Mw = 62,000
Aldrich
Used as a polymer matrix with negative tribopotential for embedding AgNWs.
-
Atomic Force Microscope
XE-100
Park Systems
Used for measuring surface morphologies and Kelvin probe force microscopy (KPFM) to investigate surface potentials.
-
Meyer Rod
#7 and #14
RD Specialist Inc.
Used for coating AgNW suspensions onto substrates to control deposition density.
-
Ag Nanowires
Nanopyxis Co.
Used as conductive components in the hybrid layers for TENGs.
-
COMSOL Multiphysics Software
COMSOL
Used for finite element method simulations to model TENG performance.
-
登录查看剩余8件设备及参数对照表
查看全部
