Effect of an RF field on the positron angular correlation in a NaCl single crystal

Nagarajan, T.; Ramasamy, P.; Devanathan, V.

doi:10.1002/pssb.2220680159

Cited by 1 publication

(1 citation statement)

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“…The crystal structure determination for compounds 1 – 11 produced a family of 17 crystal structures, also including four groups of polymorphs for compounds 1 ( 1a and 1b ), 2 ( 2a and 2b ), 6 ( 6a , 6b , and 6c ), and 7 ( 7a , 7b , and 7c ), respectively. Crystal structures of 1a , 3 , and 7b have been already deposited in the CSD (CSD Refcode 1a : AXUYOJ, 3 : BEQNEU, 7b : PEFVOP). For 3 and 7b , we here report the description of the crystal structures collected at 200 K for a direct comparison of crystal densities with the other azo-pyridinic derivatives.…”

Section: Resultsmentioning

confidence: 99%

Design of a Library of Azo-pyridinic Derivatives as Building Blocks for Photoresponsive Materials

Prencipe,

Mazzeo,

Montis

et al. 2024

Crystal Growth & Design

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Azo-pyridinic derivatives are renowned for their ability to undergo reversible molecular switching when exposed to light. By combining the photoresponsive properties of azo-benzene with the supramolecular capabilities of pyridyl groups, azopyridines offer a route to develop multifunctional responsive materials through noncovalent interactions or reversible chemical reactions. Although azo-pyridine and its derivatives are commonly used in crystal engineering, their spectroscopic characterization is typically limited in solution and only poor attention has been given to their photoresponsive behavior in the solid state. Here, we present a library of azo-pyridinic derivatives designed as potential photoresponsive compounds with different spectroscopic behaviors based on the chemical decoration of the phenyl ring. Comprehensive characterization, including crystal structure, thermal analysis, and spectroscopic analysis, was performed for all compounds. Finally, their trans-to-cis isomerization propensity in the solid state is correlated with their crystal structures.

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Section: Resultsmentioning

confidence: 99%