Single-crystalline organic nanowires with large mobility and strong fluorescence emission: a conductive-AFM and space-charge-limited-current study

被引:44
作者
Chung, Jong Won [1 ,2 ]
Yang, Hoichang [3 ]
Singh, Birendra [4 ]
Moon, Hyunsik [5 ]
An, Byeong-Kwan [1 ,2 ]
Lee, Sang Yoon [5 ]
Park, Soo Young [1 ,2 ]
机构
[1] Seoul Natl Univ, Ctr Supramol Optoelect Mat, Seoul 151744, South Korea
[2] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151744, South Korea
[3] Inha Univ, Inchon 402751, South Korea
[4] Johannes Kepler Univ Linz, Inst Phys Chem, Linz Inst Organ Solar Cells LIOS, A-4040 Linz, Austria
[5] Samsung Elect Co Ltd, Samsung Adv Inst Technol, Display Lab, Yongin, South Korea
关键词
FIELD-EFFECT TRANSISTORS; AGGREGATION-INDUCED EMISSION; PHASE-TRANSITION; THIN-FILMS; FABRICATION; PENTACENE; PHOTOLUMINESCENCE; SURFACE; NANOPARTICLES; ARCHITECTURES;
D O I
10.1039/b903882e
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We have designed and synthesized self-assembled one-dimensional nanowires (1D NWs) from the fused thiophene derivative 2,3-bis(5-(3,5-bis(trifluoromethyl) phenyl) thiophen-2-yl) acrylonitrile (SS-TFMBE). This new material is characterized by a strong self-assembling capability that leads to the formation of 1D NWs exhibiting a dramatic increase in fluorescence emission upon formation of NW aggregates. In addition, the semiconducting properties of the 1D NWs were evidenced by means of conducting-probe atomic force microscopy (CP-AFM) and space-charge-limited-current (SCLC) measurements, which show that SS-TFMBE NWs composed of ordered percolated crystals have an effective carrier mobility of up to 3.1 cm(2) V-1 s(-1).
引用
收藏
页码:5920 / 5925
页数:6
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