Electron Conductive and Proton Permeable Vertically Aligned Carbon Nanotube Membranes

Gregory A. Pilgrim; Joanne W. Leadbetter; Fen Qiu; Anni J. Siitonen; S.M. Pilgrim; Todd D. Krauss

doi:10.1021/nl403696y

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Electron Conductive and Proton Permeable Vertically Aligned Carbon Nanotube Membranes

Gregory A. Pilgrim Joanne W. Leadbetter Fen Qiu Anni J. Siitonen S.M. Pilgrim Todd D. Krauss

Year: 2014 Journal: Nano Letters Vol: 14 (4)Pages: 1728-1733 Publisher: American Chemical Society

DOI: 10.1021/nl403696y

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Abstract

We report the fabrication of membranes hundreds of micrometers thick that demonstrate efficient electron conduction and proton transport through vertically aligned arrays of multiwalled carbon nanotubes (NTs) impregnated by epoxy. Electrical transport was Ohmic with a conductivity of 495 mS cm(-1). Protons traversed the membrane through the NT bore with a current of 5.84 × 10(-6) A. Good electron and proton transport, chemical robustness, and simple fabrication suggest NT membranes have potential in artificial photosynthesis applications.

Keywords:

Membrane Carbon nanotube Ohmic contact Fabrication Materials science Proton Conductivity Nanotechnology Electrical conductor Electron Electron transport chain Proton transport Thermal conduction Chemical engineering Optoelectronics Composite material Chemistry Physics

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Fuel Cells and Related Materials

Physical Sciences → Engineering → Electrical and Electronic Engineering

Nanopore and Nanochannel Transport Studies

Physical Sciences → Engineering → Biomedical Engineering

Advanced battery technologies research

Physical Sciences → Engineering → Electrical and Electronic Engineering

Electron Conductive and Proton Permeable Vertically Aligned Carbon Nanotube Membranes

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