Metal nanotubule membranes-selective ion transport and molecule filtration
Conference
·
OSTI ID:370125
- Colorado State Univ., Ft. Collins, CO (United States)
We have been exploring a general method for preparing monodisperse nanoscopic particles of materials. This method entails synthesis of the desired material within the pores of a nanoporous membrane. The membranes employed have cylindrical pores of uniform diameter which act as templates to prepare nanocylinders of the desired material. This method has been used to prepare nanofibrils and tubules of polymers, metals, carbons, and semiconductors. We will discuss the electroless (redox) deposition of metal into the pores of these membranes to make ensembles of monodisperse metal nanotubules that run the complete thickness of the membrane. Tubules with inside diameters of molecular dimensions (< 1 nm) can be prepared. These membranes can show selective ion transport that can be modulated by controlling the potential applied to the membrane. In addition, these tubule-containing membranes can be used to filter molecules on the basis of size.
- OSTI ID:
- 370125
- Report Number(s):
- CONF-960376--
- Country of Publication:
- United States
- Language:
- English
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