AUTHOR=Dong Yicai , Guo Yuan , Zhang Hantang , Shi Yanjun , Zhang Jing , Li Haiyang , Liu Jie , Lu Xiuqiang , Yi Yuanping , Li Tao , Hu Wenping , Jiang Lang TITLE=Cyclohexyl-Substituted Anthracene Derivatives for High Thermal Stability Organic Semiconductors JOURNAL=Frontiers in Chemistry VOLUME=7 YEAR=2019 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2019.00011 DOI=10.3389/fchem.2019.00011 ISSN=2296-2646 ABSTRACT=

A novel p-type organic semiconductor with high thermal stability is developed by simply incorporating cyclohexyl substituted aryl groups into the 2,6-position of anthracene, namely 2,6-di(4-cyclohexylphenyl)anthracene (DcHPA), and a similar compound with linear alkyl chain, 2,6-di(4-n-hexylphenyl)anthracene (DnHPA), is also studied for comparison. DcHPA shows sublimation temperature around 360°C, and thin film field-effect transistors of DcHPA could maintain half of the original mobility value when heated up to 150°C. Corresponding DnHPA has sublimation temperature of 310°C and the performance of its thin film devices decreases by about 50% when heated to 80°C. The impressing thermal stability of the cyclohexyl substitution compounds might provide guidelines for developing organic electronic materials with high thermal stability.