Experimental and computational study of triphenylamine dyes for photovoltaic cell applications Abdelkhalk Aboulouard, Dilara Altunkum, Emine Babur Şaş, Meryem Bensemlali, Mustafa Can, Hamid Nasrellah and Mohammed El Idrissi Eur. Phys. J. Appl. Phys., 98 (2023) 17 Published online: 21 March 2023 DOI: 10.1051/epjap/2023220283