Polymorph Screening of Core-Chlorinated Naphthalene Diimides with Different Fluoroalkyl Side-Chain Lengths.

ABSTRACT: In this work, naphthalenediimide (NDI) derivatives are widely studied for their semiconducting properties and the influence of the side-chain length on the crystal packing is reported, along with the thermal properties of three core-chlorinated NDIs with different fluoroalkyl side-chain lengths (CF₃-NDI, C₃F₇-NDI and C₄F₉-NDI). The introduction of fluorinated substituents at the imide nitrogen and addition of strong electron-withdrawing groups at the NDI core are used to improve the NDI derivatives air stability. The new compound, CF₃-NDI, was deeply analyzed and compared to the well-known C₃F₇-NDI and C₄F₉-NDI, leading to the discovery and solution of two different crystal phases,

SUBMITTER: de Oliveira Martins I 

PROVIDER: S-EPMC11434339 | biostudies-literature | 2024 Sep

REPOSITORIES: biostudies-literature