{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Qiao W"],"funding":["Education Department of Shaanxi Province","Ministry of Education of the People&apos;s Republic of China","Liaoning Province","Shaanxi Province","Department of Education of Liaoning Province","National Natural Science Foundation of China"],"pagination":["17275-17286"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC7376895"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["5(28)"],"pubmed_abstract":["A series of stilbene derivatives have been constructed by modifying the stilbene systems with different H, CN, NH<sub>2</sub>, NMe<sub>2</sub>, and NO<sub>2</sub> groups. In a vacuum, it was found that a redshift in the ultraviolet-visible spectrum occurred because of the enhancement of the donor/acceptor capabilities of this group, with the order of redshift being NO<sub>2</sub> > NMe<sub>2</sub> > CN > NH<sub>2</sub> > H. For stilbene molecular systems, the peak of two-photon absorption (TPA) observed in the simulated spectra should be attributed to two transitions that are contributed by two excited states with similar energy. In the case of derivatives, such a transition is separated by energy, and two TPA peaks can be clearly observed (derivatives containing NO<sub>2</sub> and NMe<sub"],"journal":["ACS omega"],"pubmed_title":["Photoinduced Charge Transfer in Push/Pull Systems of Two-Photon Absorption."],"pmcid":["PMC7376895"],"funding_grant_id":["11374353","51861145309","L2019028","XLYC1807266","91436102","17JF026","2019KW-027"],"pubmed_authors":["Qiao W","Mu X","Dong J","Pan B","Duan G","Wang J"],"additional_accession":[]},"is_claimable":false,"name":"Photoinduced Charge Transfer in Push/Pull Systems of Two-Photon Absorption.","description":"A series of stilbene derivatives have been constructed by modifying the stilbene systems with different H, CN, NH<sub>2</sub>, NMe<sub>2</sub>, and NO<sub>2</sub> groups. In a vacuum, it was found that a redshift in the ultraviolet-visible spectrum occurred because of the enhancement of the donor/acceptor capabilities of this group, with the order of redshift being NO<sub>2</sub> > NMe<sub>2</sub> > CN > NH<sub>2</sub> > H. For stilbene molecular systems, the peak of two-photon absorption (TPA) observed in the simulated spectra should be attributed to two transitions that are contributed by two excited states with similar energy. In the case of derivatives, such a transition is separated by energy, and two TPA peaks can be clearly observed (derivatives containing NO<sub>2</sub> and NMe<sub","dates":{"release":"2020-01-01T00:00:00Z","publication":"2020 Jul","modification":"2025-04-19T11:38:55.904Z","creation":"2025-04-19T11:38:55.904Z"},"accession":"S-EPMC7376895","cross_references":{"pubmed":["32715213"],"doi":["10.1021/acsomega.0c01482"]}}