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https://hdl.handle.net/10356/97567
Title: | A rectifying diode with hysteresis effect from an electroactive hybrid of carbazole-functionalized polystyrene with CdTe nanocrystals via electrostatic interaction | Authors: | Liu, Juqing Qi, Xiaoying Jiang, Ting Lin, Zongqiong Chen, Shufen Xie, Linghai Fan, Qu-Li Ling, Qidan Zhang, Hua Huang, Wei |
Keywords: | DRNTU::Engineering::Materials | Issue Date: | 2010 | Source: | Liu, J., Qi, X., Jiang, T., Lin, Z., Chen, S., Xie, L., et al. (2010). A rectifying diode with hysteresis effect from an electroactive hybrid of carbazole-functionalized polystyrene with CdTe nanocrystals via electrostatic interaction. Science China Chemistry, 53(11), 2324-2328. | Series/Report no.: | Science China chemistry | Abstract: | One of the strategies to tune current-voltage behaviors in organic diodes is to combine field-induced charge transfer processes with schottky barrier. According to this principle, a rectifying diode with hysteresis effect was fabricated utilizing a hybrid of electroactive polystyrene derivative covalently tethered with electron-donor carbazole moieties and electrostatic linked with electron-acceptor CdTe nanocrystals. Current-voltage characteristics show an electrical switching behavior with some hysteresis is only observed under a negative bias, with three orders of On/Off current ratio. The hybrid material based rectifier exhibits a rectification ratio of six and its maximum rectified output current is about 5 × 10−5 A. The asymmetric switching is interpreted as the result of both field induced charge transfer and schottky barrier, capable of reducing the misreading of cross-bar memory. Meanwhile, chemical doping of CdTe nanocrystals instead of physical blend favor their uniform dispersion in matrix and stable operation of device. | URI: | https://hdl.handle.net/10356/97567 http://hdl.handle.net/10220/10519 |
ISSN: | 1869-1870 | DOI: | 10.1007/s11426-010-4095-8 | Schools: | School of Materials Science & Engineering | Rights: | © 2010 Science China Press and Springer-Verlag Berlin Heidelberg. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | MSE Journal Articles |
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