Cold Crystallization of the Organic n-Type Small Molecule Semiconductor 2-Decyl-7-phenyl-[1]benzothieno[3,2-b][1]benzothiophene S,S,S′,S′-Tetraoxide

被引:8
作者
Bodlos, Wolfgang Rao [4 ]
Mattiello, Sara [1 ]
Perinot, Andrea [2 ]
Gigli, Lara [3 ]
Demitri, Nicola [3 ]
Beverina, Luca [1 ]
Caironi, Mario [2 ]
Resel, Roland [4 ]
机构
[1] Univ Milano Bicocca, Dept Mat Sci, I-20125 Milan, Italy
[2] Ist Italiano Tecnol, Ctr Nano Sci & Technol PoliMi, I-20133 Milan, Italy
[3] Elettra Sincrotrone Trieste, I-34149 Basovizza Trieste, Italy
[4] Graz Univ Technol, Inst Solid State Phys, A-8010 Graz, Austria
基金
奥地利科学基金会;
关键词
FIELD-EFFECT TRANSISTORS; HIGH-PERFORMANCE; MOBILITY; LIQUID; POLYMORPHISM; DERIVATIVES; REFLECTION; POLYMERS; PHASE; BULK;
D O I
10.1021/acs.cgd.0c01157
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The asymmetric n-type Ph-BTBT-C-10 derivative 2-decyl-7-phenyl-[1]benzothieno[3,2-b][1]benzothiophene S,S,S',S'-tetraoxide is structurally investigated in the thin film regime. After film preparation by spin coating and physical vapor deposition, a rather disordered structure is observed, with a strong change of its internal degree of order upon heating. At 95 degrees C, a transition into a layered structure of upright standing molecules without any in-plane order appears, and at 135 degrees C, crystallization takes place. This phase information is combined with surface morphological studies and charge carrier mobility measurements to describe the structure and thin film transistor applicability of this molecule.
引用
收藏
页码:325 / 332
页数:8
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