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Inan D, Dubey RK, Westerveld N, et al. Substitution Effects on the Photoinduced Charge-Transfer Properties of Novel Perylene-3,4,9,10-tetracarboxylic Acid Derivatives. J Phys Chem A. 2017;121(24):4633-4644doi: 10.1021/acs.jpca.7b03806.
Inan, D., Dubey, R. K., Westerveld, N., Bleeker, J., Jager, W. F., & Grozema, F. C. (2017). Substitution Effects on the Photoinduced Charge-Transfer Properties of Novel Perylene-3,4,9,10-tetracarboxylic Acid Derivatives. The journal of physical chemistry. A, 121(24), 4633-4644. https://doi.org/10.1021/acs.jpca.7b03806
Inan, Damla, et al. "Substitution Effects on the Photoinduced Charge-Transfer Properties of Novel Perylene-3,4,9,10-tetracarboxylic Acid Derivatives." The journal of physical chemistry. A vol. 121,24 (2017): 4633-4644. doi: https://doi.org/10.1021/acs.jpca.7b03806
Inan D, Dubey RK, Westerveld N, Bleeker J, Jager WF, Grozema FC. Substitution Effects on the Photoinduced Charge-Transfer Properties of Novel Perylene-3,4,9,10-tetracarboxylic Acid Derivatives. J Phys Chem A. 2017 Jun 22;121(24):4633-4644. doi: 10.1021/acs.jpca.7b03806. Epub 2017 Jun 14. PMID: 28558214; PMCID: PMC5483891.
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J Phys Chem A. 2017 Jun 22;121(24):4633-4644. doi: 10.1021/acs.jpca.7b03806. Epub 2017 Jun 14.

Substitution Effects on the Photoinduced Charge-Transfer Properties of Novel Perylene-3,4,9,10-tetracarboxylic Acid Derivatives.

The journal of physical chemistry. A

Damla Inan, Rajeev K Dubey, Nick Westerveld, Jorrit Bleeker, Wolter F Jager, Ferdinand C Grozema

Affiliations

  1. Laboratory of Optoelectronic Materials and ‡Laboratory of Organic Materials & Interfaces Department of Chemical Engineering, Delft University of Technology , Van der Maasweg 9, 2629 HZ Delft, The Netherlands.

PMID: 28558214 PMCID: PMC5483891 DOI: 10.1021/acs.jpca.7b03806

Abstract

We report here the synthesis and photophysical study of a series of electron donor-acceptor molecules, in which electron-donating 4-methoxyphenoxy groups are attached to the 1,7-bay positions of four different perylene tetracarboxylic acid derivatives, namely, perylene tetraesters 1, perylene monoimide diesters 2, perylene bisimides 3, and perylene monobenzimidazole monoimides 4. These perylene derivatives are used because of their increasing order of electron-accepting capability upon moving from 1 to 4. Two additional donor-acceptor molecules are synthesized by linking electron-donating 4-methoxyphenyl groups to the imide position of perylene monoimide diester 2 and perylene bisimide 3. The motivation for this study is to achieve a good control over the photoinduced charge-transfer (CT) process in perylene-based systems by altering the position of electron donors and tuning the electron deficiency of perylene core. A comprehensive study of the photophysical properties of these molecules has shown a highly systematic trend in the magnitude of CT as a function of increased electron deficiency of the perylene core and solvent polarity. Importantly, just by changing the attachment of electron-donating group from "bay" to "imide" position, we are able to block the CT process. This implies that the positioning of the electron donor at the perylene core strongly influences the kinetics of the photoinduced CT process. In these compounds, the CT process is characterized by the quenching of fluorescence and singlet excited-state lifetimes as compared to model compounds bearing non-electron-donating 4-tert-butylphenoxy groups. Transient absorption spectroscopy did not reveal spectra of CT states. This most likely implies that the CT state is not accumulated, because of the faster charge recombination.

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