Open Access
ARTICLE
Md. Rakib Hasan1, Afrina Sharmin2, Mimi Mondal1,3, Md. Ahasan Habib1, Rinku Majumder1, Muhammad Shahriar Bashar2,*, Md. Salahuddin Mina1,*
Chalcogenide Letters, DOI:10.32604/cl.2026.079270
Abstract In this work, spin-coated Cu2ZnSnS4 (CZTS) thin films with systematically varied thicknesses were investigated to understand their influence on structural, compositional, and optical properties relevant to high-performance photovoltaic applications. CZTS absorber layers were fabricated using a sol-gel spin-coating technique, which offers simplicity, low cost, and excellent thickness control, followed by annealing at 450°C under a nitrogen atmosphere to promote crystallization and phase formation. X-ray diffraction (XRD) analysis revealed that films with a thickness of approximately 608 nm exhibited the highest crystallinity and a preferred orientation along the (112) plane, indicating enhanced structural order and improved grain… More >
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