Measurement of light diffusion in ZnO nanowire forests
Publication date
2012
Authors
Versteegh, M.A.M.
van der Wel, R.E.C.
Dijkhuis, J.I.
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Abstract
Optimum design of efficient nanowire solar cells requires better understanding of light diffusion in a nanowire array. Here we demonstrate that our recently developed ultrafast all-optical shutter can be used to directly measure the dwell time of light in a nanowire array. Our measurements on disordered ZnO nanowire arrays, “nanowire forests,” indicate that the photon mean free path and the dwell time of light can be well predicted from SEM images.
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Versteegh, M A M, van der Wel, R E C & Dijkhuis, J I 2012, 'Measurement of light diffusion in ZnO nanowire forests', Applied Physics Letters, vol. 100, no. 10, 101108, pp. 101108/1-101108/4. https://doi.org/10.1063/1.3692741