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2 March 2007 Tailored nanoaggregates from functionalized organic molecules
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Nanofibers from symmetrically and unsymmetrically functionalized p-quaterphenylenes are fabricated by a bottom-up process on muscovite mica. The symmetrically functionalized p-quaterphenylenes emit intense, polarized blue light after unpolarized UV-excitation. Upon implementing electron push-pull functional groups like chlor and methoxy groups to the molecular building block new properties of the nanoaggregates have been generated: the nanofibers exhibit increased non-linear optical properties, acting, e.g., as frequency doublers after excitation with NIR femtosecond laser pulses. Depending on the growth conditions the chloro-methoxy-p-quaterphenylene forms either parallel nanofibers or nano-branches on a muscovite mica substrate, adding another degree of freedom for the design of, e.g., resonator structures.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Manuela Schiek, Jonathan Brewer, Frank Balzer, Arne Lützen, Katharina Al-Shamery, and Horst-Günter Rubahn "Tailored nanoaggregates from functionalized organic molecules", Proc. SPIE 6475, Integrated Optics: Devices, Materials, and Technologies XI, 647517 (2 March 2007); doi: 10.1117/12.700375;


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