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Charge-carrier transport properties of blend film of Alq3 and CdSeS quantum dot

Zhang Shu-Ping Yang Ze-Chao Peng Ya-Jing Wang Ying-Hui Liu Yu-Qiang Yang Yan-Qiang

Charge-carrier transport properties of blend film of Alq3 and CdSeS quantum dot

Zhang Shu-Ping, Yang Ze-Chao, Peng Ya-Jing, Wang Ying-Hui, Liu Yu-Qiang, Yang Yan-Qiang
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Publishing process
  • Received Date:  05 May 2008
  • Accepted Date:  11 July 2008
  • Published Online:  20 January 2009

Charge-carrier transport properties of blend film of Alq3 and CdSeS quantum dot

  • 1. 哈尔滨工业大学物理系凝聚态科学与技术研究中心,哈尔滨 150001

Abstract: The charge-carrier mobility of the blend films consisting of organic small molecule and quantum dots (QDs),Alq3 and CdSeS,are studied by time-of-flight (TOF) technique. The dependence of charge-carrier mobility in the blend films on electric filed and QD concentration is measured. The results show that the positional disorder in the blend films are increased with the increase of QD concentration. Moreover,the charge transport mechanisms between Alq3 and QDs and the number of electron hoppings between QDs will lead to the change of the charge-carrier mobility.

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