{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T06:39:51Z","timestamp":1778654391285,"version":"3.51.4"},"reference-count":52,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Strategic Promotion of Innovative Research and Development (S-Innovation), Japan Science and Technology Agency (JST)","award":["JP22H00535"],"award-info":[{"award-number":["JP22H00535"]}]},{"DOI":"10.13039\/501100001691","name":"JSPS KAKENHI","doi-asserted-by":"publisher","award":["JP22H00535"],"award-info":[{"award-number":["JP22H00535"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>The transient dynamics of photocurrents for poly((4-diphenylamino)benzyl acrylate) (PDAA)-based photorefractive (PR) polymers sensitized with perylene bisimide derivative N,N\u2032-diisopropylphenyl-1,6,7,12-tetrachloroperylene-3,4,9,10-tetracarboxyl bisimide (PBI) at various composition ratios were studied. The PR polymer included (4-(diphenylamino)phenyl)methanol (TPAOH) photoconductive plasticizer and (4-(azepan-1-yl)-benzylidene) malononitrile nonlinear optical dye as well, which are needed for inducing PR effects. All the photocurrents measured at 640 nm were well simulated by a two-trapping site model considering photocarrier generation and recombination processes of the charge transfer (CT) complex between PBI and PDAA. The process of photocurrent simulation allowed for analyses of the dependences of hole mobility, quantum efficiency (QE) of photocarrier generation, trapping parameters, and recombination coefficient on the PDAA\/TPAOH content. Finally, the PDAA content dependences of the trapping and recombination properties were compared with those of the PR parameters of the optical diffraction efficiency, optical gain, and response time.<\/jats:p>","DOI":"10.3390\/polym17010096","type":"journal-article","created":{"date-parts":[[2025,1,2]],"date-time":"2025-01-02T12:51:24Z","timestamp":1735822284000},"page":"96","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Photoconductive Dynamics of Photorefractive Poly((4-Diphenylamino)benzyl Acrylate)-Based Composites Sensitized by Perylene Bisimide"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8835-1347","authenticated-orcid":false,"given":"Naoto","family":"Tsutsumi","sequence":"first","affiliation":[{"name":"Faculty of Materials Science and Engineering, Kyoto Institute of Technology, Sakyo, Kyoto 606-8585, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takafumi","family":"Sassa","sequence":"additional","affiliation":[{"name":"Photonics Control Technology Team, RIKEN Center for Advanced Photonics, Wako 351-0198, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0903-5181","authenticated-orcid":false,"given":"Tam Van","family":"Nguyen","sequence":"additional","affiliation":[{"name":"Department of Materials and Life Science, Kyoto Institute of Technology, Graduate School of Science and Technology, Sakyo, Kyoto 606-8585, Japan"},{"name":"Institute of Applied Science and Technology, Van Lang University, Ho Chi Minh City 700000, Vietnam"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2639-3511","authenticated-orcid":false,"given":"Ha Ngoc","family":"Giang","sequence":"additional","affiliation":[{"name":"Department of Materials and Life Science, Kyoto Institute of Technology, Graduate School of Science and Technology, Sakyo, Kyoto 606-8585, Japan"},{"name":"Faculty of Chemical Technology, Ho Chi Minh City University of Industry and Trade, Ho Chi Minh City 72000, Vietnam"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sho","family":"Tsujimura","sequence":"additional","affiliation":[{"name":"Department of Materials and Life Science, Kyoto Institute of Technology, Graduate School of Science and Technology, Sakyo, Kyoto 606-8585, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0772-9681","authenticated-orcid":false,"given":"Boaz Jessie","family":"Jackin","sequence":"additional","affiliation":[{"name":"Materials Innovation Laboratory, Kyoto Institute of Technology, Sakyo, Kyoto 606-8585, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4342-3516","authenticated-orcid":false,"given":"Kenji","family":"Kinashi","sequence":"additional","affiliation":[{"name":"Faculty of Materials Science and Engineering, Kyoto Institute of Technology, Sakyo, Kyoto 606-8585, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0255-0861","authenticated-orcid":false,"given":"Wataru","family":"Sakai","sequence":"additional","affiliation":[{"name":"Faculty of Materials Science and Engineering, Kyoto Institute of Technology, Sakyo, Kyoto 606-8585, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,1,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1846","DOI":"10.1103\/PhysRevLett.66.1846","article-title":"Observation of the Photorefractive Effect in a Polymer","volume":"66","author":"Ducharme","year":"1991","journal-title":"Phys. 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