Abstract
Photovoltaic module backsheets are characterized according to their thermal, optical, mechanical, and technical properties. This work introduces new fabricated backsheets for PV modules using polyvinylidene fluoride (PVDF) reinforced with short sugar palm fiber (SSPF) composites. The preparation of composites undergoes multiple phases of fabrication. Thermal, optical, and technical investigations of their properties were conducted. Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, in-situ scanning probe microscopy (SPM), dynamic mechanical analysis (DMA), thermal mechanical analysis (TMA), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and prolonged technical testing were accomplished to expansively understand the complex behavior of composites under various conditions. The optical properties of PV backsheets are critical components in determining the reflectance, absorbance, and transmittance of light. The PVDF–SSPF composites exhibited exceptional compatibility and thermal stability, further revealing a homogenous composite structure with enhanced interfacial bonding between the short fiber and polymer matrix.
Highlights
Photovoltaic (PV) module backsheets are essential structural components that influence the overall performance; they provide strength and enhance durability [1,2]
The composites consist of two main materials: Sugar palm fiber (SPF) extracted from matured sugar palms located at Kuala Jempol, Negeri Sembilan, Malaysia, and polyvinylidene fluoride (PVDF)
PVDF was obtained from a manufacturer in China
Summary
Photovoltaic (PV) module backsheets are essential structural components that influence the overall performance; they provide strength and enhance durability [1,2]. With various multilayer backsheet structures, commercial backsheets are characterized in accordance with their basic optical and mechanical properties as well as their composite structure. These are based on the main constituents and multilayer laminates composed of inorganic modifiers and various polymeric materials. Such multilayer structures influence the various key features of PV backsheets (i.e., optical, thermal, electrical, mechanical, and barrier properties) to the specific requirements of PV modules [3]. PV modules are constantly exposed to the natural variability of stress factors that occur in outdoor
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