Five perylene bisimide (PBI) derivatives were designed and synthesized, on the basis of quantum-chemical calculations. The influence of halogen substituents on the shape and energy of the frontier orbitals and the Raman spectra were calculated, in the prospect use in surface-enhanced resonance Raman scattering (SERRS) studies. The corresponding experiments confirmed a very strong SERRS response in the presence of pristine (i.e., uncoated) gold nanoparticles. These spectra can be used for multiplexing measurements, namely measurements in which, by using a single laser excitation, one can recognize the simultaneous presence of several analytes.



Titolo: Perylene Derivatives As Useful SERRS Reporters, Including Multiplexing Analysis
Autori: 
TENORI, ELEONORA
SYRGIANNIS, ZOIS
BONASERA, AURELIO
OSTRIC, ADRIAN
MENEGHETTI, MORENO
PRATO, MAURIZIO
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Data di pubblicazione: 2015
Rivista: 
ACS APPLIED MATERIALS & INTERFACES  
Abstract: Five perylene bisimide (PBI) derivatives were designed and synthesized, on the basis of quantum-chemical calculations. The influence of halogen substituents on the shape and energy of the frontier orbitals and the Raman spectra were calculated, in the prospect use in surface-enhanced resonance Raman scattering (SERRS) studies. The corresponding experiments confirmed a very strong SERRS response in the presence of pristine (i.e., uncoated) gold nanoparticles. These spectra can be used for multiplexing measurements, namely measurements in which, by using a single laser excitation, one can recognize the simultaneous presence of several analytes.
Handle: http://hdl.handle.net/11368/2892465
Digital Object Identifier (DOI): 10.1021/acsami.5b03586
URL: http://pubs.acs.org/journal/aamick
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