We present a numerical optimization of nanorod geometries with respect to the optical properties of an electrically driven LED emitting in the green spectral range. It is shown that an overall Purcell enhancement as well as directional emission can be achieved at an emission wavelength of 550 nm with nanorods of 110 nm radius. Position‐controlled growth on patterned substrates demonstrates that the required dimensions are accessible by varying growth parameters and growth time in a large volume MOVPE reactor. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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Kölper et al. (2011) studied this question.