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Photochemistry of single wall carbon nanotubes embedded in a mesoporous silica matrix
Mercedes Alvaro1, Pedro Atienzar, José L Bourdelande
1Instituto de Tecnología Química CSIC-UPV and Departamento de Química UPV, Avda de los Naranjos s/n, 46022 Valencia, Spain.
Chemical Communications (Cambridge, England)
|January 23, 2003
Abstract:
By embedding single wall carbon nanotubes in a mesoporous silica matrix (SWNT@SiO2) the photochemical properties have been measured upon laser excitation at 266 nm; the SWNT@SiO2 exhibits long-lived emission (lambda em = 400 nm, tau = 0.95 microsecond), transient absorption (lambda max = 390 nm, tau = 11 microseconds) and is able to generate singlet oxygen in D2O.