Nearly 100% internal quantum efficiency in undoped electroluminescent devices employing pure organic emitters.
Identifieur interne : 000160 ( Main/Exploration ); précédent : 000159; suivant : 000161Nearly 100% internal quantum efficiency in undoped electroluminescent devices employing pure organic emitters.
Auteurs : Qisheng Zhang [Japon] ; Daniel Tsang ; Hirokazu Kuwabara ; Yasuhiro Hatae ; Bo Li ; Takehiro Takahashi ; Sae Youn Lee ; Takuma Yasuda ; Chihaya AdachiSource :
- Advanced materials (Deerfield Beach, Fla.) ; 2015.
Abstract
The design of efficient and concentration-insensitive metal-free thermally activateddelayed fluorescence (TADF) materials is reported. Blue and green organic light-emitting diodes (OLEDs) containing a hole-transport layer, an undoped TADF emissive layer, and an electron-transport layer achieve maximum external quantum efficiencies of 19%, which is comparable to the best doped OLEDs.
DOI: 10.1002/adma.201405474
PubMed: 25678335
Affiliations:
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JST, ERATO, Adachi Molecular Exciton Engineering Project c/o Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan; JST, ERATO, Adachi Molecular Exciton Engineering Project c/o Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395</wicri:regionArea><wicri:noRegion>819-0395</wicri:noRegion></affiliation></author><author><name sortKey="Tsang, Daniel" sort="Tsang, Daniel" uniqKey="Tsang D" first="Daniel" last="Tsang">Daniel Tsang</name></author><author><name sortKey="Kuwabara, Hirokazu" sort="Kuwabara, Hirokazu" uniqKey="Kuwabara H" first="Hirokazu" last="Kuwabara">Hirokazu Kuwabara</name></author><author><name sortKey="Hatae, Yasuhiro" sort="Hatae, Yasuhiro" uniqKey="Hatae Y" first="Yasuhiro" last="Hatae">Yasuhiro Hatae</name></author><author><name sortKey="Li, Bo" sort="Li, Bo" uniqKey="Li B" first="Bo" last="Li">Bo Li</name></author><author><name sortKey="Takahashi, Takehiro" sort="Takahashi, Takehiro" uniqKey="Takahashi T" first="Takehiro" last="Takahashi">Takehiro Takahashi</name></author><author><name sortKey="Lee, Sae Youn" sort="Lee, Sae Youn" uniqKey="Lee S" first="Sae Youn" last="Lee">Sae Youn Lee</name></author><author><name sortKey="Yasuda, Takuma" sort="Yasuda, Takuma" uniqKey="Yasuda T" first="Takuma" last="Yasuda">Takuma Yasuda</name></author><author><name sortKey="Adachi, Chihaya" sort="Adachi, Chihaya" uniqKey="Adachi C" first="Chihaya" last="Adachi">Chihaya Adachi</name></author></analytic><series><title level="j">Advanced materials (Deerfield Beach, Fla.)</title><idno type="e-ISSN">1521-4095</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The design of efficient and concentration-insensitive metal-free thermally activateddelayed fluorescence (TADF) materials is reported. Blue and green organic light-emitting diodes (OLEDs) containing a hole-transport layer, an undoped TADF emissive layer, and an electron-transport layer achieve maximum external quantum efficiencies of 19%, which is comparable to the best doped OLEDs.</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><noCountry><name sortKey="Adachi, Chihaya" sort="Adachi, Chihaya" uniqKey="Adachi C" first="Chihaya" last="Adachi">Chihaya Adachi</name><name sortKey="Hatae, Yasuhiro" sort="Hatae, Yasuhiro" uniqKey="Hatae Y" first="Yasuhiro" last="Hatae">Yasuhiro Hatae</name><name sortKey="Kuwabara, Hirokazu" sort="Kuwabara, Hirokazu" uniqKey="Kuwabara H" first="Hirokazu" last="Kuwabara">Hirokazu Kuwabara</name><name sortKey="Lee, Sae Youn" sort="Lee, Sae Youn" uniqKey="Lee S" first="Sae Youn" last="Lee">Sae Youn Lee</name><name sortKey="Li, Bo" sort="Li, Bo" uniqKey="Li B" first="Bo" last="Li">Bo Li</name><name sortKey="Takahashi, Takehiro" sort="Takahashi, Takehiro" uniqKey="Takahashi T" first="Takehiro" last="Takahashi">Takehiro Takahashi</name><name sortKey="Tsang, Daniel" sort="Tsang, Daniel" uniqKey="Tsang D" first="Daniel" last="Tsang">Daniel Tsang</name><name sortKey="Yasuda, Takuma" sort="Yasuda, Takuma" uniqKey="Yasuda T" first="Takuma" last="Yasuda">Takuma Yasuda</name></noCountry><country name="Japon"><noRegion><name sortKey="Zhang, Qisheng" sort="Zhang, Qisheng" uniqKey="Zhang Q" first="Qisheng" last="Zhang">Qisheng Zhang</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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