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A rectifying diode with hysteresis effect from an electroactive hybrid of carbazole-functionalized polystyrene with CdTe nanocrystals via electrostatic interaction

หน่วยงาน Nanyang Technological University, Singapore

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ชื่อเรื่อง : A rectifying diode with hysteresis effect from an electroactive hybrid of carbazole-functionalized polystyrene with CdTe nanocrystals via electrostatic interaction
นักวิจัย : Liu, Juqing , Qi, Xiaoying , Jiang, Ting , Lin, Zongqiong , Chen, Shufen , Xie, Linghai , Fan, Qu-Li , Ling, Qidan , Zhang, Hua , Huang, Wei
คำค้น : DRNTU::Engineering::Materials.
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2553
อ้างอิง : 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. , 1869-1870 , http://hdl.handle.net/10220/10519 , http://dx.doi.org/10.1007/s11426-010-4095-8
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Science China chemistry
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

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.

บรรณานุกรม :
Liu, Juqing , Qi, Xiaoying , Jiang, Ting , Lin, Zongqiong , Chen, Shufen , Xie, Linghai , Fan, Qu-Li , Ling, Qidan , Zhang, Hua , Huang, Wei . (2553). A rectifying diode with hysteresis effect from an electroactive hybrid of carbazole-functionalized polystyrene with CdTe nanocrystals via electrostatic interaction.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Liu, Juqing , Qi, Xiaoying , Jiang, Ting , Lin, Zongqiong , Chen, Shufen , Xie, Linghai , Fan, Qu-Li , Ling, Qidan , Zhang, Hua , Huang, Wei . 2553. "A rectifying diode with hysteresis effect from an electroactive hybrid of carbazole-functionalized polystyrene with CdTe nanocrystals via electrostatic interaction".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Liu, Juqing , Qi, Xiaoying , Jiang, Ting , Lin, Zongqiong , Chen, Shufen , Xie, Linghai , Fan, Qu-Li , Ling, Qidan , Zhang, Hua , Huang, Wei . "A rectifying diode with hysteresis effect from an electroactive hybrid of carbazole-functionalized polystyrene with CdTe nanocrystals via electrostatic interaction."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2553. Print.
Liu, Juqing , Qi, Xiaoying , Jiang, Ting , Lin, Zongqiong , Chen, Shufen , Xie, Linghai , Fan, Qu-Li , Ling, Qidan , Zhang, Hua , Huang, Wei . A rectifying diode with hysteresis effect from an electroactive hybrid of carbazole-functionalized polystyrene with CdTe nanocrystals via electrostatic interaction. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2553.