Document Detail

Lock-Arm Supramolecular Ordering: A Molecular Construction Set for Co-Crystallizing Organic Charge Transfer Complexes.
MedLine Citation:
PMID:  25369425     Owner:  NLM     Status:  Publisher    
Organic charge transfer co-crystals are inexpensive, modular and solution-processable materials that are able, in some instances, to exhibit properties such as optical nonlinearity, (semi)conductivity, ferroelectricity and magnetism. Although the properties of these co-crystals have been investigated for decades, the principal challenge that researchers face currently is to devise an efficient approach which allows for the growth of high-quality crystalline materials, in anticipation of a host of different technological applications. The research reported here introduces an innovative design, termed LASO - Lock-Arm Supramolecular Ordering - in the form of a modular approach for the development of responsive organic co-crystals. The strategy relies on the use of aromatic electronic donor and acceptor building blocks, carrying complementary rigid and flexible arms, capable of forming hydrogen bonds to amplify the co-crystallization processes. The cooperativity of charge transfer and hydrogen-bonding interactions between the building blocks leads to binary co-crystals that have alternating donors and acceptors extending in one and two dimensions sustained by an intricate network of hydrogen bonds. A variety of air-stable, mechanically robust, centimeter-long, organic charge transfer co-crystals have been grown by liquid-liquid diffusion under ambient conditions inside 72 hours. These co-crystals are of considerable interest because of their remarkable size and stability and the promise they hold when it comes to fabricating the next generation of innovative electronic and photonic devices.
Anthea K Blackburn; Andrew C-H Sue; Alexander K Shveyd; Dennis Cao; Alok Tayi; Ashwin Narayanan; Brian S Rolczynski; Jodi M Szarko; Ozgur A Bozdemir; Rie Wakabayashi; Jessica A Lehrman; Bart Kahr; Lin X Chen; Majed S Nassar; Samuel I Stupp; J Fraser Stoddart
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-11-4
Journal Detail:
Title:  Journal of the American Chemical Society     Volume:  -     ISSN:  1520-5126     ISO Abbreviation:  J. Am. Chem. Soc.     Publication Date:  2014 Nov 
Date Detail:
Created Date:  2014-11-4     Completed Date:  -     Revised Date:  2014-11-5    
Medline Journal Info:
Nlm Unique ID:  7503056     Medline TA:  J Am Chem Soc     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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