Photodetectors based on small-molecule organic semiconductor crystals<xref rid="cpb_28_3_038102fn1" ref-type="fn">*</xref><fn id="cpb_28_3_038102fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 51672180, 51622306, and 21673151), Collaborative Innovation Center of Suzhou Nano Science & Technology, the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD), the 111 Project, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices.</p></fn>

Photodetectors based on small-molecule organic semiconductor crystals**

Project supported by the National Natural Science Foundation of China (Grant Nos. 51672180, 51622306, and 21673151), Collaborative Innovation Center of Suzhou Nano Science & Technology, the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD), the 111 Project, Joint International Research Laboratory of Carbon-Based Functional Materials and Devices.

Pan Jing, Deng Wei, Xu Xiuzhen, Jiang Tianhao, Zhang Xiujuan^†, Jie Jiansheng^‡

(a) Schematic illustration of the capillary-assisted alternating electric field method for patterning Alq3 crystals. (b)–(e) SEM images of the as-fabricated Alq3 crystals in different hollows. (f) Absorption spectrum of Alq3 single crystals. (a)–(f) Reproduced with permission.^[25] Copyright 2017, Wiley-VCH. (g) Schematic illustration of the dip-coating process for growing C₆₀ microribbon arrays. (h) Optical microscopy image of the as-prepared C₆₀ microribbon arrays. (i) I–V characteristics of the C₆₀ microribbon arrays under different illumination conditions. Inset: optical microscopy image of a single device. (j) Photoswitching behavior of C₆₀ microribbon arrays under 400 nm light with a bias of 10 V. (g)–(j) Reproduced with permission.^[26] Copyright 2018, Elsevier.