Abstract:
:A series of perylene diimide (PDI) derivatives have been investigated at the CAM-B3LYP/6-31G(d) and the TD-B3LYP/6-31+G(d,p) levels to design solar cell acceptors with high performance in areas such as suitable frontier molecular orbital (FMO) energies to match oligo(thienylenevinylene) derivatives and improved charge transfer properties. The calculated results reveal that the substituents slightly affect the distribution patterns of FMOs for PDI-BI. The electron withdrawing group substituents decrease the FMO energies of PDI-BI, and the electron donating group substituents slightly affect the FMO energies of PDI-BI. The di-electron withdrawing group substituents can tune the FMOs of PDI-BI to be more suitable for the oligo(thienylenevinylene) derivatives. The electron withdrawing group substituents result in red shifts of absorption spectra and electron donating group substituents result in blue shifts for PDI-BI. The -CN substituent can improve the electron transport properties of PDI-BI. The -CH₃ group in different positions slightly affects the electron transport properties of PDI-BI.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Lv X,Li Z,Li S,Luan G,Liang D,Tang S,Jin Rdoi
10.3390/ijms17050721subject
Has Abstractpub_date
2016-05-13 00:00:00issue
5issn
1422-0067pii
ijms17050721journal_volume
17pub_type
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