The Hole Transport Characteristics of 1, 4, 5, 8, 9 and 11-Hexaazatriphenylene-Hexacarbonitrile by Blending
Yan-Ping Wang1 , Jin-Ying Huang1 , Jiang-Shan Chen1 , Xian-Feng Qiao1 , De-Zhi Yang1 , Dong-Ge Ma1** , Li-Song Dong2**
1 State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 1300222 Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022
Abstract ：The hole transport characteristics of molecule blends of 1, 4, 5, 8, 9 and 11-hexaazatriphenylene-hexacarbonitrile (HAT-CN): N,N'-di(naphthalene-1-yl)-N,N'-diphenyl-benzidine (NPB) and HAT-CN: 4,4'-cyclohexylidenebis[N,N-bis(4-methylphenyl)benzenamine] (TAPC) with various NPB and TAPC mixing concentrations (5–90 wt%) are studied. When the concentration is in the range of 5–80 wt%, it is found that the hole conductions in the two blends are space-charge-limited current (SCLC) with free trap distributions. The current–voltage characteristics of the two blends show SCLC with exponential trap distributions at the concentration of 90 wt%. The hole mobilities of the two blends are very close (10$^{-4}$–10$^{-3}$ cm$^{2}$V$^{-1}$s$^{-1}$), the dependence of electric field and temperature can be described by the modified Poole–Frenkel model. The hole mobility and activation energy of the two blends depending on concentration are similar.
收稿日期: 2015-10-09
出版日期: 2016-02-26
:
73.40.Lq
(Other semiconductor-to-semiconductor contacts, p-n junctions, and heterojunctions)
73.50.Dn
(Low-field transport and mobility; piezoresistance)
72.20.Ee
(Mobility edges; hopping transport)
73.61.Ph
(Polymers; organic compounds)
引用本文:
. [J]. 中国物理快报, 2016, 33(02): 27302-027302.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/33/2/027302
或
https://cpl.iphy.ac.cn/CN/Y2016/V33/I02/27302
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2016, Vol. 33 
