Theoretical Study on Electronic and Charge Transfer Properties of Oligo[8]thiophene and Its Circular,Hooped, and Helical Derivatives |
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Authors: | TANG Shan-Shan LIU Jun-Bo CHEN Guang JIN Rui-Fa |
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Affiliation: | [1]College of Resource and Environmental Science,Jilin Agricultural University, Changchun 130118, China [2]College of Life Sciences, Jilin Agricultural University, Changchun 130118, China [3]College of Chemistry and Chemical Engineering, Chifeng University, Chifeng 024000, China |
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Abstract: | The novel linear,circular,hooped,and helical molecules based on oligo8]thiophene were theoretically studied for the applications of charge transfer devices.To investigate the influence of topology for oligo8]thiophene derivatives,the geometry structures,frontier molecular orbital(FMO) energies,charge transport properties,and stability property were predicted by density functional theory methods.The calculated results reported herein show that the oligo8]thiophene derivative with linear structure has smaller energy gap,and fused oligo8]thiophene derivative with circular structure has the smallest reorganization energy among the designed molecules.We have also studied the stability properties of the designed molecules,and oligo8]thiophene derivatives are more stable than the fused oligo8]thiophene derivatives. |
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Keywords: | oligo[8]thiophene derivatives electronic property charge transport property stability property topology |
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