Optical and Electrical Properties of New Perylene Diimide Thin Films

被引:3
作者
Boobalan, G. [1 ]
Imran, P. K. M. [2 ]
Manoharan, C. [3 ]
Nagarajan, S. [4 ]
机构
[1] Annamalai Univ, Dept Chem, Annamalainagar 608002, Tamil Nadu, India
[2] Islamia Coll, Dept Chem, Vaniambadi 635731, India
[3] Annamalai Univ, Dept Phys, Annamalainagar 608002, Tamil Nadu, India
[4] Cent Univ Tamil Nadu, Dept Chem, Thiruvarur 610101, India
关键词
Perylene diimides; thin film; band gap; semiconductor; organic material; LIQUID-CRYSTALS; SEMICONDUCTORS; RESONANCE; BISIMIDE; CELLS;
D O I
10.1007/s11664-015-3870-x
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Perylene diimides with high photosensitivity and high electron mobility have attracted much attention for use in organic semiconductor devices. In this investigation, thin films of six new perylene tetracarboxylic diimides (PTCDI) were fabricated by spin coating, on glass as substrate, and their optical and electrical properties were studied. The absorption spectra of thin films of PTCDI furnished more informative bands than those of the compounds in solution. The morphology of the thin films was examined by scanning electron microscopy and x-ray diffraction. The absorption spectra and I-V characteristics of the compounds were affected by their molecular structures. HOMO-LUMO band gaps of the films were in the range 1.9-2.0 eV. Band gaps calculated by use of computational methods were comparable with experimental results.
引用
收藏
页码:4000 / 4005
页数:6
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