Gu, Shanshan, Shanshan Wang, Yundan Yu, and Jiayu Guo. “Optical Properties of Inorganic-Organic Hybrid Silica Gel Glasses Doped With Copper Phthalocyanine”. Asian Journal of Chemistry 23, no. 3 (November 19, 2010): 1241–1243. Accessed November 24, 2024. https://asianpubs.org/index.php/ajchem/article/view/16054.