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Porous Nanocrystalline Silicon Membranes

The Nanomembrane Research Group (NRG) focuses on the development and application of a novel nanomaterial called porous nanocrystalline silicon (pnc-Si). The membranes are mass produced on silicon wafers in a variety of form factors at low cost. The thinness, strength, pore size characteristics, and economics of pnc-Si membranes are enabling a variety new devices in microfluidics, precision biomolecule separation, and cell culture.

transmission electron micrograph

A transmission electron micrograph showing the pores (white spaces)
and nanocrystals (dark spaces) that define the 15 nm thick nanoporous membrane.

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