Yew Hang SooChai Yan NgHieng Kiat JunNg Soo AiYew Hoong Wong2024-10-212024-10-212022-0610.1007/s10853-022-07335-0https://dspace-cris.utar.edu.my/handle/123456789/3967Metal oxide sol annealing on perovskite MAPbI3 film with thermal stability enhanced by caffeine additive and PMMA interlayerjournal-article