Organic Nanowires

Authored by: Frank Balzer , Morten Madsen , Jakob Kjelstrup-Hansen , Manuela Schiek , Horst-Günter Rubahn

Handbook of Nanophysics

Print publication date:  September  2010
Online publication date:  September  2010

Print ISBN: 9781420075427
eBook ISBN: 9781420075434
Adobe ISBN:

10.1201/9781420075434-25

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Abstract

Fiber-like, light-emitting nanoaggregates from small organic molecules, nanorods, nanowires, or nanofibers have evolved as a very active research field during the last years [13]. Depending on the material they are made of, the nanosizing in one or two dimensions leads to interesting new properties. To zeroth order, the surface-to-volume ratio is greatly enhanced and electrons and photons are much better confined as compared to micron-sized components, while the “long” axis allows easy connection to the macroscopic world. Among the properties that have found special interest are waveguiding [4], lasing [5], electrical transport [6,7], mechanical properties [8], and nonlinear optical properties [911]. The organic aggregates have either been grown directly on surfaces by organic molecular beam deposition (OMBD) [12], by hot-wall epitaxy [13], or by solvent vapor annealing [14], or they have been assembled in solution and then deposited onto a surface [1518]. The formation of upright nanowires on a substrate has been facilitated by, e.g., filling of mesoporous substrates [19,20] or even by simple vapor phase deposition [21,22].

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