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Control over size, shape, and photonics of self-assembled organic nanocrystals

التفاصيل البيبلوغرافية
العنوان: Control over size, shape, and photonics of self-assembled organic nanocrystals
المؤلفون: Chen Shahar, Yaron Tidhar, Yunmin Jung, Haim Weissman, Sidney R. Cohen, Ronit Bitton, Iddo Pinkas, Gilad Haran, Boris Rybtchinski
المصدر: Beilstein Journal of Organic Chemistry, Vol 17, Iss 1, Pp 42-51 (2021)
بيانات النشر: Beilstein-Institut, 2021.
سنة النشر: 2021
المجموعة: LCC:Science
LCC:Organic chemistry
مصطلحات موضوعية: aromatic amphiphiles, exciton diffusion, organic nanocrystals, perylene diimides, self-assembly, Science, Organic chemistry, QD241-441
الوصف: The facile fabrication of free-floating organic nanocrystals (ONCs) was achieved via the kinetically controlled self-assembly of simple perylene diimide building blocks in aqueous medium. The ONCs have a thin rectangular shape, with an aspect ratio that is controlled by the content of the organic cosolvent (THF). The nanocrystals were characterized in solution by cryogenic transmission electron microscopy (cryo-TEM) and small-angle X-ray scattering. The ONCs retain their structure upon drying, as was evidenced by TEM and atom force microscopy. Photophysical studies, including femtosecond transient absorption spectroscopy, revealed a distinct influence of the ONC morphology on their photonic properties (excitation energy transfer was observed only in the high-aspect ONCs). Convenient control over the structure and function of organic nanocrystals can enhance their utility in new and developed technologies.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 1860-5397
Relation: https://doaj.org/toc/1860-5397
DOI: 10.3762/bjoc.17.5
URL الوصول: https://doaj.org/article/5e5533c4a76b4e2ca0dabd1bb23e085f
رقم الانضمام: edsdoj.5e5533c4a76b4e2ca0dabd1bb23e085f
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:18605397
DOI:10.3762/bjoc.17.5