Journal
JOURNAL OF PHYSICAL CHEMISTRY B
Volume 114, Issue 12, Pages 4192-4198Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp9116529
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Funding
- European Commission [MRTN-CT-2006-035884]
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We investigate the local static molecular orientational behavior in zeolite L inclusion compounds by polarimetric two-photon fluorescence microscopy. This technique, based on the polarized read-out of the signal under a tunable incident polarization state, provides refined information on molecular disorder that is not achievable using traditional fluorescence anisotropy. Moreover, the polarimetric microscopy imaging scheme permits a spatial investigation of possible heterogeneities, with a submicrometric resolution. The study performed on different fluorescent molecules inserted in zeolite L channels evidence a degree of disorder for either small or flexible structures.
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