Md. Ariful IslamVidhya SelvanathanPuvaneswaran ChelvanathanM. MottakinMohammod AminuzzamanMohd Adib IbrahimGhulam MuhammadMd. Akhtaruzzaman2025-01-022025-01-02202310.1039/d3ra02181ehttps://dspace-cris.utar.edu.my/handle/123456789/9710NiO x as a hole transport layer (HTL) has gained a lot of research interest in perovskite solar cells (PSCs), owing to its high optical transmittance, high power conversion efficiency, wide band-gap and ease of fabrication.Metal organic framework derived NiO<sub><i>x</i></sub>nanoparticles for application as a hole transport layer in perovskite solar cellsjournal-article