Akhtar, J, Azad Malik, M, O'Brien, P, Wijayantha, K G U, Dharmadasa, R, Hardman, S J O, Graham, D M, Spencer, B F, Stubbs, S K, Flavell, W R, Binks, D J, Sirotti, F, El Kazzi, M & Silly, M 2010, ' A greener route to photoelectrochemically active PbS nanoparticles ', Journal of Materials Chemistry, vol. 20, no. 12, pp. 2336-2344 . https://doi.org/10.1039/b924436k Akhtar, J, Azad Malik, M, O'Brien, P, Wijayantha, K G U, Dharmadasa, R, Hardman, S J O, Graham, D M, Spencer, B F, Stubbs, S K, Flavell, W R, Binks, D J, Sirotti, F, El Kazzi, M & Silly, M 2010, ' A greener route to photoelectrochemically active PbS nanoparticles ' Journal of Materials Chemistry, vol. 20, no. 12, pp. 2336-2344 . https://doi.org/10.1039/b924436k