
Keywords: CoPc, cobalt (II) tetrasulfophthalocyanine; TEOS, tetraethoxysilane; MPTMOS, mercaptopropyltrimethoxysilane; APTMOS, aminopropyltrimethoxysilane; CPTMOS, chloropropyltrimethoxysilane; DTC, sodium N,N-diethylcarbamodithioateSol-gel synthesis; Phthalocyanin