“…The banana flowers were taken from Gunungpati Sub District, Semarang City, Indonesia, and Indium Titanium Oxide (ITO) glass substrate in the size of 100 mm × 100 mm × 1.1 mm was purchased from Zhuhai Kaivo Optoelectronic Technology Co. Ltd. PEDOT:PSS 655201, carboxy-methyl-cellulose (CMC), acetate acid, methanol, acetone and ethylene glycol 1 L were supplied by Sigma-Aldrich. 27 Kapton tape was acquired by a company from China. The dimension of fabricated DSSC is 20 mm x 10 mm x t mm, where t is the total thick of films.…”