Fluorescent pyrrole nanoparticles were first synthesized through plasma polymerization under atmospheric pressure and
room temperature. The spherical polypyrrole nanoparticles with a diameter of 100-200 nm are uniformly distributed.
FTIR was used to investigate the structure of atmospheric pressure plasma polymerized polypyrrole nanoparticles
(AP-PPy nanoparticles). The result indicates that the nanoparticles keep a better reservation of the pyrrole structure. The
effect of power on the optical property of AP-PPy nanoparticles was analysised with UV-Visble absorption and PL
spectra. Polarization induced coplanarization of pyrrole and high level of chain stock during the nucleation and growth
of nanoparticles. These lead to a better conjugation of chains, and avoid the aggregation quench. Thus polypyrrole
nanoparticles exhibit a strong fluorescence emission at the range of 415nm to 450nm with different power. This
technology will help to the realization of practical optoelectronic nanodevice applications of fluorescent polymeric
nanoparticles.
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