Monolayer-protected clusters with fluorescent dansyl ligands
作者： Ailette Aguila , Royce W. Murray
DOI: 10.1021/LA000145J
关键词:
摘要: Monolayer-protected Au cluster (MPC) molecules with mixed monolayers of alkanethiolate and ω-carboxylalkanethiolate ligands were functionalized the fluorescent label dansyl cadaverine. The emission intensity per MPC-attached group varies (a) number sites MPC (i.e., loading, 4 to 24), (b) linker chainlength between core site, (c) chainlengths alkanethiolates in surrounding monolayer coating. Emission increases loading length core−dansyl chains when have chain lengths equal or greater than linker. These results are interpreted terms distance-dependent energy transfer from excited metal-like various steric constraints on thermal fluctuations that influence distance approach core. Correction for self-absorption by highly colored...
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