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- W173815318 abstract "Tetrabenzoporphyrin (C36H22N4, TBP) is a solution processable polycrystalline small molecule organic semiconductor. By substituting different metal atoms in the core of the TBP molecule, such as Cu, Zn, Ni, we can modify the electrical performance and t h i n - film morp h o l ogy of the orga n i c semiconductor. In this project, we used the CAmbridge Serial Total Energy Program (CASTEP) and DMol 3 , based on density functional theory (DFT) to calculate the e n e rgy band structure, density of states (DOS), optical properties, HOMO, LUMO and Fe rmi level of various metallotetrab e n z o p o rp hyrin (MTBP) molecules. T h i s project seeks to explore the relation between the core atom and the electronic structure of the MTBP, and to further predict what core atom would be beneficial to the electrical performance of the organic semiconductor. Another goal of this project is to study the adsorption of H2O and O2onto the MTBP molecules, which models the degradation of MTBP OTFTs stored in ambient. By applying DFT calculations, we hope to explain the observed increase in thin-film conductivity when the Organic T h i n - Film Tr a n s i s t o r s (OTFTs) are exposed to air.This project is conducted in very close collaboration with Professors N. Ono and H. Yamada from Ehime University, Japan." @default.
- W173815318 created "2016-06-24" @default.
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- W173815318 date "2007-01-01" @default.
- W173815318 modified "2023-09-27" @default.
- W173815318 title "Ab Initio Calculations of Metallotetrabenzoporphyrins" @default.
- W173815318 hasPublicationYear "2007" @default.
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