Dependence of Fluorescence Intensity on the Spectral Overlap between Fluorophores and Plasmon Resonant Single Silver Nanoparticles Export

@article{citeulike:1118600, abstract = {PMID: 17315937 We investigate the fluorescence from dyes coupled to individual DNA-functionalized metal nanoparticles. We use single-particle darkfield scattering and fluorescence microscopy to correlate the fluorescence intensity of the dyes with the localized surface plasmon resonance (LSPR) spectra of the individual metal nanoparticles to which they are attached. For each of three different dyes, we observe a strong correlation between the fluorescence intensity of the dye and the degree of spectral overlap with the plasmon resonance of the nanoparticle. On average, we observe the brightest fluorescence from dyes attached to metal nanoparticles that have a LSPR scattering peak 40120 meV higher in energy than the emission peak of the fluorophore. These results should prove useful for understanding and optimizing metal-enhanced fluorescence.}, address = {Department of Chemistry, University of Washington, Seattle, Washington 98195-1700}, author = {Chen, Yeechi and Munechika, Keiko and Ginger, David S.}, citeulike-article-id = {1118600}, citeulike-linkout-0 = {http://dx.doi.org/10.1021/nl062795z}, citeulike-linkout-1 = {http://pubs.acs.org/doi/abs/10.1021/nl062795z}, day = {1}, doi = {10.1021/nl062795z}, journal = {Nano Letters}, keywords = {dark-field, dna, enhancement, fluorescence, glass, lspr, nanoparticle, silane, silver, spectroscopy}, month = {March}, number = {3}, pages = {690--696}, posted-at = {2009-10-27 14:00:29}, priority = {2}, title = {Dependence of Fluorescence Intensity on the Spectral Overlap between Fluorophores and Plasmon Resonant Single Silver Nanoparticles}, url = {http://dx.doi.org/10.1021/nl062795z}, volume = {7}, year = {2007} }

TY - JOUR ID - citeulike:1118600 L3 - citeulike-article-id:1118600 N2 - PMID: 17315937 We investigate the fluorescence from dyes coupled to individual DNA-functionalized metal nanoparticles. We use single-particle darkfield scattering and fluorescence microscopy to correlate the fluorescence intensity of the dyes with the localized surface plasmon resonance (LSPR) spectra of the individual metal nanoparticles to which they are attached. For each of three different dyes, we observe a strong correlation between the fluorescence intensity of the dye and the degree of spectral overlap with the plasmon resonance of the nanoparticle. On average, we observe the brightest fluorescence from dyes attached to metal nanoparticles that have a LSPR scattering peak 40120 meV higher in energy than the emission peak of the fluorophore. These results should prove useful for understanding and optimizing metal-enhanced fluorescence. IS - 3 JF - Nano Letters AD - Department of Chemistry, University of Washington, Seattle, Washington 98195-1700 EP - 696 TI - Dependence of Fluorescence Intensity on the Spectral Overlap between Fluorophores and Plasmon Resonant Single Silver Nanoparticles VL - 7 SP - 690 KW - dark-field KW - dna KW - enhancement KW - fluorescence KW - glass KW - lspr KW - nanoparticle KW - silane KW - silver KW - spectroscopy AU - Chen, Yeechi AU - Munechika, Keiko AU - Ginger, David PY - 2007/03/01/ UR - http://dx.doi.org/10.1021/nl062795z ER -