Abstract
Optical molecule detection is of increasing interest in biophysical applications especially for high speed molecule detection and DNA sequencing.We present an optically active solid-state nanopore design for probing charged molecules. The proposed semiconductor nanaopore (SNP) is a hollow cylindrical semiconductor heterostructure consisting of a low band gap semiconductor in the center surrounded by a high band gap semiconductor. We use a single sub-band approximation to simulate the behavior of these SNPs and show that this structure exhibit a high quantum confinement effect that can be tuned by geometrical modification.Our simulations indicate that a charge distribution within the SNP can change the energy state of the pore significantly. This effect is proposed to be usable for particle detection.
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