Mechanical property design of molecular solids

Mishra, Manish Kumar and Ramamurty, Upadrasta and Desiraju, Gautam R (2016) Mechanical property design of molecular solids. In: CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE, 20 (6, SI). pp. 361-370.

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Abstract

The current emphasis of crystal engineering, which has evolved over the past three decades through crystal packing analysis and identification of crystal design strategies, has shifted from structure to properties, i.e., design of molecular solids with targeted combination of properties. Amongst the panoply of chemical, physical, and biological properties that these materials exhibit, a comprehensive understanding of the mechanical properties is perhaps the most challenging as it involves connecting molecular level structural features to macroscopic mechanical behavior. However, the adoption of the nanoindentation technique, with which it is possible to measure both quantitatively and accurately the mechanical response of even small single crystals, in crystal engineering, has paved the way for substantial progress in the recent past. In this review, we summarize some recent results with an emphasis as to how one can design and control properties of molecular solids such as elastic modulus and hardness. This review closes with an enumeration of the key challenges that lie ahead. Such studies show a big scope for studying mechanical properties of organic crystals as a function of crystal structure, and in turn to understand their structure-property relationship for designing future smart materials. This emerging research field has prospects and a potential to play an important role in the future development of crystal engineering. (C) 2016 Elsevier Ltd. All rights reserved.

Item Type:	Journal Article
Publication:	CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE
Additional Information:	Copy right for this article belongs to thePERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Department/Centre:	Division of Chemical Sciences > Solid State & Structural Chemistry Unit Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited:	31 Jan 2017 04:35
Last Modified:	31 Jan 2017 04:35
URI:	http://eprints.iisc.ac.in/id/eprint/55968

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