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Isci, Recep; Wan, Li; Topal, Sebahat; Gunturkun, Dilara; Campbell, Alasdair James; Ozturk, Turan
<?xml version='1.0' encoding='utf-8'?> <resource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://datacite.org/schema/kernel-4" xsi:schemaLocation="http://datacite.org/schema/kernel-4 http://schema.datacite.org/meta/kernel-4.1/metadata.xsd"> <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/252603</identifier> <creators> <creator> <creatorName>Isci, Recep</creatorName> <givenName>Recep</givenName> <familyName>Isci</familyName> <affiliation>Istanbul Tech Univ, Chem Dept, TR-34469 Istanbul, Turkey</affiliation> </creator> <creator> <creatorName>Wan, Li</creatorName> <givenName>Li</givenName> <familyName>Wan</familyName> </creator> <creator> <creatorName>Topal, Sebahat</creatorName> <givenName>Sebahat</givenName> <familyName>Topal</familyName> <affiliation>Istanbul Tech Univ, Chem Dept, TR-34469 Istanbul, Turkey</affiliation> </creator> <creator> <creatorName>Gunturkun, Dilara</creatorName> <givenName>Dilara</givenName> <familyName>Gunturkun</familyName> <affiliation>Istanbul Tech Univ, Chem Dept, TR-34469 Istanbul, Turkey</affiliation> </creator> <creator> <creatorName>Campbell, Alasdair James</creatorName> <givenName>Alasdair James</givenName> <familyName>Campbell</familyName> </creator> <creator> <creatorName>Ozturk, Turan</creatorName> <givenName>Turan</givenName> <familyName>Ozturk</familyName> </creator> </creators> <titles> <title>Solution-Processable Donor-Pi-Acceptor Type Thieno[3,2-B]Thiophene Derivatives; Synthesis, Photophysical Properties And Applications</title> </titles> <publisher>Aperta</publisher> <publicationYear>2022</publicationYear> <dates> <date dateType="Issued">2022-01-01</date> </dates> <resourceType resourceTypeGeneral="Text">Journal article</resourceType> <alternateIdentifiers> <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/252603</alternateIdentifier> </alternateIdentifiers> <relatedIdentifiers> <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1039/d2tc02371g</relatedIdentifier> </relatedIdentifiers> <rightsList> <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights> <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights> </rightsList> <descriptions> <description descriptionType="Abstract">Two novel donor-pi-acceptor (D-pi-A)-type pull-push materials, M1 and M2, having triphenylamine as a donor and dimesitylboron as an acceptor, linked through a thieno[3,2-b]thiophene (TT) pi-conjugated spacer bearing different functional substituents, such as -PhCN and -Ph, were synthesized and fabricated via a solution process for OLED applications. They exhibited mega Stokes shifts of 120 nm and emissions both in the solid-state and in solution. The monomers M1 and M2 had strong intramolecular charge-transfer behaviors; the solid-state quantum yields were recorded to be 76 and 72% and the solution quantum efficiencies were determined to be 100 and 95%, respectively. The solution-processed OLEDs were fabricated using low turn-on voltages, which had performances with maximum power, current and external quantum efficiencies of around 8 lm W-1, 14.1 cd A(-1) and 4.78%, respectively, displaying emission colors from blue to green and yellowish green. The materials had strong fluorescence emission colors between yellowish and bluish under UV irradiation.</description> </descriptions> </resource>
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