Acidichromism and chiroptical switch based on the self-assembly of a cyanine dye on the PLGA/PAH LbL film

• Published in: Journal of materials chemistry Vol. 19; no. 10; pp. 1471 - 1476
• Main Authors: Zhang, Guocheng, Liu, Minghua
• Format: Journal Article
• Language: English
• Published: Cambridge Royal Society of Chemistry 01.01.2009
• Subjects: Condensed matter: structure, mechanical and thermal properties; Cross-disciplinary physics: materials science; rheology; Exact sciences and technology; Liquid phase epitaxy; deposition from liquid phases (melts, solutions, and surface layers on liquids); Materials science; Methods of deposition of films and coatings; film growth and epitaxy; Physics; Structure and morphology; thickness; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties); Thin film structure and morphology; Cyanine dyes; Glutamic acid; Organic dye; Stacking sequence; Color; pH effect; Self-assembled layers; Conformational changes; Circular dichroism; Aggregation; Thin films; Self-assembly; Chemical modification; Functionalization; Aqueous solutions; Hydrochlorides; Chirality; Supramolecular structure; Steam

The self-assembly and functionalization of a cyanine dye (3,3'-disulfopropyl-9-methylselenacarbocyanine, SeCy) on the layer-by-layer (LbL) assembled poly(L-glutamic acid) (PLGA) film was investigated. PLGA was assembled into an LbL film through the alternative deposition with poly(allylamine hy...