Mechanically responsive molecular crystals

P Naumov, S Chizhik, MK Panda, NK Nath… - Chemical …, 2015 - ACS Publications
Transformation of energy into motion (work) is one of the basic processes of energy
conversion in nature. The processes of actuation underlying the transduction of light …

Controlling motion at the nanoscale: rise of the molecular machines

JM Abendroth, OS Bushuyev, PS Weiss, CJ Barrett - ACS nano, 2015 - ACS Publications
As our understanding and control of intra-and intermolecular interactions evolve, ever more
complex molecular systems are synthesized and assembled that are capable of performing …

Bioinspired soft robots based on organic polymer-crystal hybrid materials with response to temperature and humidity

X Yang, L Lan, X Pan, Q Di, X Liu, L Li… - Nature …, 2023 - nature.com
The capability of stimulated response by mechanical deformation to induce motion or
actuation is the foundation of lightweight organic, dynamic materials for designing light and …

Recent progresses in the mechanistic studies of aggregation-induced emission-active boron complexes and clusters

K Tanaka, M Gon, S Ito, J Ochi, Y Chujo - Coordination Chemistry Reviews, 2022 - Elsevier
We herein review the recent progresses in the development of boron-containing compounds
with aggregation-induced emission (AIE) properties. In particular, the contribution of boron to …

Photopolymerization‐Driven Macroscopic Mechanical Motions of a Composite Film Containing a Vinyl Coordination Polymer

ZY Yang, X Sang, D Liu, QY Li, F Lang… - Angewandte Chemie …, 2023 - Wiley Online Library
We report a unique vinyl coordination polymer (CP),[Zn (4‐Fb) 2 (tkpvb)] n (1, 4‐HFb= 4‐
fluorobenzoic acid, tkpvb= 1, 2, 4, 5‐tetrakis (4‐pyridylvinyl) benzene) that undergoes a rare …

Spatially resolved analysis of short-range structure perturbations in a plastically bent molecular crystal

MK Panda, S Ghosh, N Yasuda, T Moriwaki… - Nature …, 2015 - nature.com
The exceptional mechanical flexibility observed with certain organic crystals defies the
common perception of single crystals as brittle objects. Here, we describe the …

Thermally twistable, photobendable, elastically deformable, and self‐healable soft crystals

P Gupta, DP Karothu, E Ahmed, P Naumov… - Angewandte …, 2018 - Wiley Online Library
The first example of a smart crystalline material, the 2: 1 cocrystal of probenecid and 4, 4′‐
azopyridine, which responds reversibly to multiple external stimuli (heat, UV light, and …

Crystal engineering of hand-twisted helical crystals

S Saha, GR Desiraju - Journal of the American Chemical Society, 2017 - ACS Publications
A strategy is outlined for the design of hand-twisted helical crystals. The starting point in the
exercise is the one-dimensional (1D) plastic crystal, 1, 4-dibromobenzene, which is then …

Self‐healing behavior in a thermo‐mechanically responsive cocrystal during a reversible phase transition

G Liu, J Liu, X Ye, L Nie, P Gu, X Tao… - Angewandte Chemie …, 2017 - Wiley Online Library
The molecular‐level motions of a coronene‐based supramolecular rotator are amplified into
macroscopic changes of crystals by co‐assembly of coronene and TCNB (1, 2, 4, 5 …

Single crystals popping under UV light: a photosalient effect triggered by a [2+ 2] cycloaddition reaction

R Medishetty, A Husain, Z Bai, T Runčevski… - Angewandte …, 2014 - Wiley Online Library
The extremely rare examples of dynamic single crystals where excitation by light or heat
induces macroscopic motility present not only a visually appealing demonstration of the …