Zhang, Lin, Yewei Xu, Fanghua Zhu, and Jingyuan Sun. “Synthesis and Characterization of Thermally-Stable and Soluble Perylene Bisimide”. Asian Journal of Chemistry 22, no. 9 (July 9, 2010): 7135–7144. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/11958.