Advanced Functional Materials

Cover image for Vol. 27 Issue 31

23_11b/2013Crystal Engineering: The Relationship of Solid-State Plasticity to Mechanochromic Luminescence in Difluoroboron Avobenzone Polymorphs (Adv. Funct. Mater. 11/2013)

Quantification of mechanical properties using a nanoindentation technique in a polymorphic, mechanochromic luminescent (ML) material allows a structure-mechanical response in the stiff and soft forms to be established. This explains the quick recovery and a very prominent reversible ML behavior of the two forms. On page 1422, Upadrasta Ramamurty, Chilla Malla Reddy, and co-workers report that the introduction of slip planes in crystals is the key to achieving an efficient ML property in fluorophores or a soft nature in organic functional materials.

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