Photoinduced charge transfer in quasi-one-dimensional polymers in two-photon absorption
In this work, we theoretically investigate the structure and the transition characteristics of one- (OPA) and two-photon absorption (TPA) spectra of different length neutral and charged thiophene polymers. The effects and regulation of different charges on photoinduced charge transfer are discovered...
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| Veröffentlicht in: | RSC advances 2020-09, Vol.1 (55), p.33288-33298 |
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| creator | Yan, Pen-ji Mu, Xijiao Dong, Jun Sun, Mengtao |
| description | In this work, we theoretically investigate the structure and the transition characteristics of one- (OPA) and two-photon absorption (TPA) spectra of different length neutral and charged thiophene polymers. The effects and regulation of different charges on photoinduced charge transfer are discovered and their physical mechanisms are explained. We find that both the OPA and TPA spectra undergo a sizeable redshift after the charge is injected into the polymer, and the redshift after the positive charge injection is excellent. The alternating charge transfer that occurs in a two-photon transition of a charged system is derived from the alternating distribution of charge (dipole moment) in the dynamics of the system. To study the gradual behavior of infinite polymers, we also theoretically calculated the optical properties and electronic structures of infinitely long thiophene polymers under different electrical charge injections by a one-dimensional periodic model. The redshift of the OPA and TPA spectra is found to be due to orbital energy level movement.
In this work, we theoretically investigate the structure and the transition characteristics of one- (OPA) and two-photon absorption (TPA) spectra of different length neutral and charged thiophene polymers |
| doi_str_mv | 10.1039/d0ra06436j |
| format | Article |
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In this work, we theoretically investigate the structure and the transition characteristics of one- (OPA) and two-photon absorption (TPA) spectra of different length neutral and charged thiophene polymers</description><identifier>ISSN: 2046-2069</identifier><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/d0ra06436j</identifier><identifier>PMID: 35515042</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>Charge distribution ; Charge injection ; Charge transfer ; Chemistry ; Dipole moments ; Energy levels ; Optical properties ; Photon absorption ; Photons ; Polymers ; Red shift ; Spectra ; Structural analysis</subject><ispartof>RSC advances, 2020-09, Vol.1 (55), p.33288-33298</ispartof><rights>This journal is © The Royal Society of Chemistry.</rights><rights>Copyright Royal Society of Chemistry 2020</rights><rights>This journal is © The Royal Society of Chemistry 2020 The Royal Society of Chemistry</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c454t-b027b575541235cd890b3132da10b68bd4a252a156ad131a02e8187db4e152c3</citedby><cites>FETCH-LOGICAL-c454t-b027b575541235cd890b3132da10b68bd4a252a156ad131a02e8187db4e152c3</cites><orcidid>0000-0002-8153-2679 ; 0000-0001-7226-613X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9056739/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9056739/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,27901,27902,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35515042$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yan, Pen-ji</creatorcontrib><creatorcontrib>Mu, Xijiao</creatorcontrib><creatorcontrib>Dong, Jun</creatorcontrib><creatorcontrib>Sun, Mengtao</creatorcontrib><title>Photoinduced charge transfer in quasi-one-dimensional polymers in two-photon absorption</title><title>RSC advances</title><addtitle>RSC Adv</addtitle><description>In this work, we theoretically investigate the structure and the transition characteristics of one- (OPA) and two-photon absorption (TPA) spectra of different length neutral and charged thiophene polymers. The effects and regulation of different charges on photoinduced charge transfer are discovered and their physical mechanisms are explained. We find that both the OPA and TPA spectra undergo a sizeable redshift after the charge is injected into the polymer, and the redshift after the positive charge injection is excellent. The alternating charge transfer that occurs in a two-photon transition of a charged system is derived from the alternating distribution of charge (dipole moment) in the dynamics of the system. To study the gradual behavior of infinite polymers, we also theoretically calculated the optical properties and electronic structures of infinitely long thiophene polymers under different electrical charge injections by a one-dimensional periodic model. The redshift of the OPA and TPA spectra is found to be due to orbital energy level movement.
In this work, we theoretically investigate the structure and the transition characteristics of one- (OPA) and two-photon absorption (TPA) spectra of different length neutral and charged thiophene polymers</description><subject>Charge distribution</subject><subject>Charge injection</subject><subject>Charge transfer</subject><subject>Chemistry</subject><subject>Dipole moments</subject><subject>Energy levels</subject><subject>Optical properties</subject><subject>Photon absorption</subject><subject>Photons</subject><subject>Polymers</subject><subject>Red shift</subject><subject>Spectra</subject><subject>Structural analysis</subject><issn>2046-2069</issn><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp90c9LHDEUB_AgisrqpffKiBcpTPvyc2cuglhtLYKlCD2GTJJ1s8wkYzJj8b8362631oO5JPA-vLzki9AHDJ8x0PqLgahAMCoWW2ifABMlAVFvvzrvocOUFpCX4JgIvIv2KOeYAyP76PfPeRiC82bU1hR6ruK9LYaofJrZWDhfPIwquTJ4WxrXWZ9c8Kot-tA-dTampRj-hLJfdvGFalKI_ZDNAdqZqTbZw_U-QXdXl3cX38ub22_XF-c3pWacDWUDZNrwKecME8q1qWpoKKbEKAyNqBrDFOFEYS6UwRQrILbC1dQ0zGJONJ2gs1Xbfmw6a7T1efZW9tF1Kj7JoJz8v-LdXN6HR1kDF1Na5wan6wYxPIw2DbJzSdu2Vd6GMUkiBIZ8JVSZnryhizDG_BtZMYY5zW-ArD6tlI4hpWhnm2EwyGVi8iv8On9J7EfGR6_H39C_-WRwvAIx6U31X-SyN7NsPr5n6DNziKa-</recordid><startdate>20200909</startdate><enddate>20200909</enddate><creator>Yan, Pen-ji</creator><creator>Mu, Xijiao</creator><creator>Dong, Jun</creator><creator>Sun, Mengtao</creator><general>Royal Society of Chemistry</general><general>The Royal Society of Chemistry</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-8153-2679</orcidid><orcidid>https://orcid.org/0000-0001-7226-613X</orcidid></search><sort><creationdate>20200909</creationdate><title>Photoinduced charge transfer in quasi-one-dimensional polymers in two-photon absorption</title><author>Yan, Pen-ji ; Mu, Xijiao ; Dong, Jun ; Sun, Mengtao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c454t-b027b575541235cd890b3132da10b68bd4a252a156ad131a02e8187db4e152c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Charge distribution</topic><topic>Charge injection</topic><topic>Charge transfer</topic><topic>Chemistry</topic><topic>Dipole moments</topic><topic>Energy levels</topic><topic>Optical properties</topic><topic>Photon absorption</topic><topic>Photons</topic><topic>Polymers</topic><topic>Red shift</topic><topic>Spectra</topic><topic>Structural analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yan, Pen-ji</creatorcontrib><creatorcontrib>Mu, Xijiao</creatorcontrib><creatorcontrib>Dong, Jun</creatorcontrib><creatorcontrib>Sun, Mengtao</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>RSC advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yan, Pen-ji</au><au>Mu, Xijiao</au><au>Dong, Jun</au><au>Sun, Mengtao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photoinduced charge transfer in quasi-one-dimensional polymers in two-photon absorption</atitle><jtitle>RSC advances</jtitle><addtitle>RSC Adv</addtitle><date>2020-09-09</date><risdate>2020</risdate><volume>1</volume><issue>55</issue><spage>33288</spage><epage>33298</epage><pages>33288-33298</pages><issn>2046-2069</issn><eissn>2046-2069</eissn><abstract>In this work, we theoretically investigate the structure and the transition characteristics of one- (OPA) and two-photon absorption (TPA) spectra of different length neutral and charged thiophene polymers. The effects and regulation of different charges on photoinduced charge transfer are discovered and their physical mechanisms are explained. We find that both the OPA and TPA spectra undergo a sizeable redshift after the charge is injected into the polymer, and the redshift after the positive charge injection is excellent. The alternating charge transfer that occurs in a two-photon transition of a charged system is derived from the alternating distribution of charge (dipole moment) in the dynamics of the system. To study the gradual behavior of infinite polymers, we also theoretically calculated the optical properties and electronic structures of infinitely long thiophene polymers under different electrical charge injections by a one-dimensional periodic model. The redshift of the OPA and TPA spectra is found to be due to orbital energy level movement.
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; PubMed Central Open Access |
| subjects | Charge distribution Charge injection Charge transfer Chemistry Dipole moments Energy levels Optical properties Photon absorption Photons Polymers Red shift Spectra Structural analysis |
| title | Photoinduced charge transfer in quasi-one-dimensional polymers in two-photon absorption |
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