Synthesis and Characterization of Two-Photon Active Chromophores Based on Tetrathienoacene (TTA) and Dithienothiophene (DTT)

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题名:	Synthesis and Characterization of Two-Photon Active Chromophores Based on Tetrathienoacene (TTA) and Dithienothiophene (DTT)
作者:	陳銘洲;Kumaresan, Prabakaran;Liu, Yi-You;Vegiraju, Sureshraju;Ezhumalai, Yamuna;Yu, Hsien-Cheng;Yau, Shueh Lin;Chen, Ming-Chou;Lin, Tzu-Chau
贡献者:	理學院化學學系
关键词:	Chemistry;chromophores;conjugation;heterocycles;nonlinear optics;structure-activity relationships
日期:	2015-08-01
上传时间:	2026-04-21 14:37:48 (UTC+8)
出版者:	John Wiley and Sons Ltd;Germany: Blackwell Publishing Ltd
摘要:	摘要： AbstractThree new donor–π–donor (D‐π‐D) tetrathienoacene (thieno[2′,3′:4,5]thieno[3,2‐b]thieno[2,3‐d]thiophene (TTA))‐cored chromophores, end‐functionalized with electron‐donating triphenylamine (TPA) groups, were developed and characterized for their two‐photon‐related properties by using both nano‐ and femtosecond laser pulses as the probing tools. TTA‐based chromophores exhibit stronger and more widely dispersed two‐photon absorption (2PA) than those of dithienothiophene (DTT)‐based congeners. As a consequence, the bithiophene‐conjugated TTA chromophore exhibits the highest maximum 2PA cross‐section value (up to 2500 GM) with good thermal stability, and thus, it is the best performing two‐photon chromophore among the studied model compounds. The bithiophene‐conjugated DTT analogue exhibits the second highest maximum two‐photon absorptivity of 1950 GM, which is nearly 7 times larger than that of previously reported DTT‐based chromophores. 其他題名： Chem. Asian J 出版者： Germany: Blackwell Publishing Ltd 出版日期： 2015-08 出處： Chemistry – An Asian Journal, 2015-08, Vol.10 (8), p.1640-1646 版權： 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim 版權： 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. 版權： 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim 識別號： ISSN: 1861-4728 識別號： ISSN: 1861-471X 識別號： EISSN: 1861-471X 識別號： DOI: 10.1002/asia.201500276 識別號： PMID: 25930006
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