Beilstein J. Nanotechnol.2012,3, 909–919, doi:10.3762/bjnano.3.101
chemist’s terminology one might call these processes redoxreactions, whereas from a physicist’s point of view one would more likely call them n- and p-doping, respectively, to stress the analogy to the doping processes in traditional semiconducting materials such as silicon. Hence, neutral polymers, which
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Figure 1:
Considered structure of polythiophene (PTp). The frame indicates the unit cell used in the calculat...
Beilstein J. Nanotechnol.2010,1, 14–20, doi:10.3762/bjnano.1.3
semiconductor undergo redoxreactions with molecules adsorbed onto the surface, thereby breaking them into smaller fragments. Photocatalysis with metal-oxide-semiconductor nanostructures has been an area of intense research over the last couple of decades with titania (TiO2) receiving the most attention [1][2
surface defects play an important role in the photocatalytic activity of metal-oxide nanostructures, as the contaminant molecules need to be adsorbed on to the photocatalytic surface for the redoxreactions to occur. The higher the effective surface area, the higher will be the adsorption of target
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Figure 1:
(a) Low-resolution TEM micrograph of ZnO nanoparticles, (b) electron diffraction pattern of the ZnO...