Optical properties of pyrene doped polymer thin films

Formation of Pyrene Excimers in Mesoporous Ormosil Thin Films for Visual Detection of Nitro-explosives

“…It is important to note that investigation of the excimer emission stability of pyrene or its derivatives is missing in most of the previous studies. 14,17,18,34,35 Herewith, our results show the importance of investigation of time-dependent excimer formation ability in order to produce thin films with long-lived excimer emission signal.…”

“…However, time-dependent excimer formation ability is not considered in these studies. 12,13,17,18 In fact, decay of pyrene excimer emission has been frequently used to evaluate the structure of sol−gel materials. 19−22 Besides poor excimer formation, another drawback of physical encapsulation method is the utilization of dense polymers as thin film networks.…”

Fluorescence resonance energy transfer between perylene and riboflavin in micellar solution and analytical application on determination of vitamin B2

“…The large region of overlap between perylene and riboflavin is an indication of efficient energy transfer between the donor-acceptor pair [10,11]. The region of integral overlap is used further to calculate the critical energy transfer distance (R 0 ) between perylene (donor) and riboflavin (acceptor) using Fo¨ster relation [12,13].…”

A Pyrene- and Phosphonate-Containing Fluorescent Probe as Guest Molecule in a Host Polymer Matrix

“…This is consistent with the X-Ray diffraction data showing a pyrene separate phase in Copo C 6 -H/Pyr materials with loadings above 0.25 equiv. The evolution of intensity of pyrene monomer bands of Copo C 6 -H/Pyr materials, as a function of pyrene loading, appears different from that of pyrene incorpored films made from polyethylene (PE) or polystyrene (PS), which present a “perfect solution” behavior [ 19 , 21 ].…”

“…The intensity of photoluminescence of pyrene (or monosubstituted pyrene derivatives) incorpored in films made from polyethylene [ 19 ], polypropylene [ 20 ], polystyrene [ 21 , 22 ], polyvinylalcohol [ 23 ], poly(methyl-methacrylate) [ 24 , 25 ] and sodium polyacrylate [ 23 ] increases with the increase of pyrene concentration. The thickness of the film and the pyrene concentration are the principal parameters for the modification of photoluminescence profiles [ 19 , 21 , 22 ]. The study of non covalent interactions inside pyrene-incorpored copolymers featuring different domains of polarity is not described in the literature so far.…”