Green Synthesis of ZnO Nanoparticles from Henna Leaves (Lawsonia inermis L.) and their Characterization as Photosensitizer in Dye-sensitized Solar Cells W. S. Arsyad, F. S. Palobang, L. Agusu, L. O. Rusman, I. Saleh, I. N. Sudiana International Journal of Acta Material Vol. 1 No. 2 2025 DOI 10.62749/ijactmat.v1i2.11