Грозданов престојувал на странски универзитети, и тоа: Arizona State University, Department of Chemistry (1980-1982), Arizona State University, Department of Chemical, Bio, and Materials Engineering (1993-1995).
Меѓу позначајните негови објавени трудови се следниве: I. Grozdanov, Deposition of electrically conductive, microwave shielding and IR-detecting inorganic coatings on polymer films, Chemistry Letters, 3, 551-554 (1994); I. Grozdanov, C. K. Barlingay, S. K. Dey, Experimental study of the copper thiosulfate system with respect to thin-film deposition, Thin Solid Films, 250, 67-71 (1994); I. Grozdanov, Electroconductive copper selenide films on transparent polyester sheets, Synthetic Metals, 63, 213-216 (1994); I. Grozdanov, A simple and low-cost technique for electroless deposition of chalcogenide thin films,Semiconducting Science and Technology, 9, 1234-1242 (1994); I. Grozdanov, C. K. Barlingay, S. K. Dey, Novel applications of chemically deposited CuxS thin films, Materials Letters, 23, 181-185 (1995).