NDLI: Intermolecular coupling in nanometric domains of light-harvesting dendrimer films studied by photoluminescence near-field scanning optical microscopy (PL NSOM).

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Intermolecular coupling in nanometric domains of light-harvesting dendrimer films studied by photoluminescence near-field scanning optical microscopy (PL NSOM).

Content Provider	Semantic Scholar
Author	Lee, Lynn F. Adronov, Alex Schaller, Richard D. Fréchet, Jean M. J. Saykally, Richard J.
Copyright Year	2003
Abstract	Near-field scanning optical microscopy (NSOM) has been used to investigate the photophysical characteristics of first- to fourth-generation (G1 to G4) light-harvesting dendrimer thin films containing coumarin-343 and coumarin-2 as the core and peripheral chromophores, respectively. Thin film photoluminescence (PL) spectra exhibit a significant red shift in the lower generations (G1, G2, and G3) as compared to their respective solution PL spectra, implying the formation of excimers. Spatially resolved PL NSOM images exhibit pronounced nanoscopic domains in G1, which become more homogeneous in higher generations due to site-isolation of the core chromophore. G4 exhibits complete site-isolation for these light-harvesting dendrimer films.
File Format	PDF HTM / HTML
DOI	10.1021/ja028495a
Alternate Webpage(s)	http://www.cchem.berkeley.edu/rjsgrp/publications/papers/2003/272_lynn_2003.pdf
PubMed reference number	12517168
Alternate Webpage(s)	https://doi.org/10.1021/ja028495a
Journal	Medline
Volume Number	125
Issue Number	2
Journal	Journal of the American Chemical Society
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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