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Analysis of Phase Transitions and Crystal Structures of Novel Benzothiophene Derivatives

Zhang, Shuo
http://rave.ohiolink.edu/etdc/view?acc_num=akron1449831649

Abstract Details

2015, Doctor of Philosophy, University of Akron, Polymer Science.
Although single crystal X-ray diffraction remains the most important technique for analyzing periodically ordered structures at atomic resolution, single crystal X-ray diffraction of organic macromolecules is challenged by difficulty in growing single crystals of desired size and quality. Electron crystallography of organic macromolecules, on the other hand, is limited by image resolution due to radiation damage and highly dependent on high-resolution instrumentation. Novel alkylated benzothiophene derivatives synthesized previously can be readily fabricated into semiconductor devices for various applications (photodetectors, explosive sensors, field-effect transistors, light-emitting diodes, etc.) via solution process. The object of this research is to identify phase transitions of organic macromolecules of this kind via differential scanning calorimetry and temperature-resolved wide angle X-ray diffraction, and to determine their lattice parameters and space groups by reconstruction of their reciprocal space via transmission electron microscopy / selected area electron diffraction followed by refinement with X-ray diffraction, supplemented by polarized light microscopy. Computer simulation was performed to rationalize the molecular packing schemes, so as to understand the origin of their electronic performance from crystallographic perspective.
Stephen Z. D. Cheng, Dr. (Advisor)
Yu Zhu, Dr. (Committee Chair)
Toshikazu Miyoshi, Dr. (Committee Member)
Tianbo Liu, Dr. (Committee Member)
Xiong Gong, Dr. (Committee Member)
124 p.
Chemistry; Condensed Matter Physics; Materials Science; Organic Chemistry; Physical Chemistry; Physics; Polymers; Solid State Physics
phase transition; crystal structure; thermal analysis; electron diffraction; X-ray diffraction; organic electronics; OFETs; benzothiophene; computer simulation

Recommended Citations

Citations

  • Zhang, S. (2015). Analysis of Phase Transitions and Crystal Structures of Novel Benzothiophene Derivatives [Doctoral dissertation, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1449831649

    APA Style (7th edition)

  • Zhang, Shuo. Analysis of Phase Transitions and Crystal Structures of Novel Benzothiophene Derivatives. 2015. University of Akron, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1449831649.

    MLA Style (8th edition)

  • Zhang, Shuo. "Analysis of Phase Transitions and Crystal Structures of Novel Benzothiophene Derivatives." Doctoral dissertation, University of Akron, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1449831649

    Chicago Manual of Style (17th edition)

akron1449831649
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© 2015, all rights reserved.
This open access ETD is published by University of Akron and OhioLINK.