New Tech Boosts Solar Cells

The novel conductive adhesive ink conceived by researchers serves as an interlayer between the hole transport layer and the carbon foil in the battery. This adhesive is made from polymethyl methacrylate (PMMA), a polymer widely used as a substitute for glass in various industries, known for its low cost, excellent electrical and optical properties, thermal stability, environmental stability, light weight, and high light transmittance.

Research results indicate that solar cells using PMMA can achieve the maximum conductivity at the adhesive interface layer, reaching an efficiency of 17.2%, which is currently lower than that of gold-based counterpart cells (18.2%). However, in terms of stability, they have achieved approximately 92% long-term stability, which is about 17% higher than the stability of gold-based counterparts.

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