Li, A.T.B. and Bakar, M.A.A. and Omar, A.F. and Saheed, M.S.M. and Taib, N.A.M. and Mohammad, S.M. and Krishnan, G. and Abdullah, M. (2023) 3rd order optical nonlinearity enhancement of halochromic phenol red dye immobilized in PVA/silica hybrid host matrix. Journal of Sol-Gel Science and Technology, 107 (3). pp. 523-535.