Albert SchniedersCNM Technologies GmbH, Bielefeld
Dr. Albert Schnieders is co-founder, managing director, and chief technology officer (CTO) of CNM Technologies GmbH, a German high-tech company, which produces extremely thin, functionalised carbon nanomembranes (CNMs) and develops together with its customers innovative applications of CNMs in a diverse field of industries. Focus technologies are (gas and liquid) separation and sensor technology. Dr. Schnieders earned his degree in physics in 1999 at the University of Münster, Germany. After being a postdoctoral researcher at the Universities of Utah and Delaware in the USA, he worked for the US subsidiaries of two German high-tech companies: as application scientist for ION-TOF USA Inc., a scientific instrument manufacturer, and as general manager for Tascon USA Inc., a contract laboratory specializing in chemical surface analysis. Dr. Schnieders left both companies and the USA end of 2011 to start CNM Technologies.
Title：Carbon Nanomembranes for Gas Separation and Ultrafiltration
SymposiumB11 Air pollution treatment
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Abstract
Carbon Nanomembranes (CNMs) are one molecular monolayer - equivalent to 1 nm - thin, Carbon-based polymeric films with properties which can be specifically adjusted for a variety of applications such as filtration or separation tasks. As a Carbon-based 2D-material, CNMs are related to graphene. However, they have many properties, which cannot easily be achieved for graphene. Especially, perforation (e.g. for the size-selective separation of gases) can be intrinsically achieved during fabrication. The size distribution and density of pores can thereby be controlled by adjusting a few manufacturing parameters. A scaling of production to any wanted size is principally possible and is currently in development. Additionally, it is possible to convert CNMs into porous nanocrystalline graphene, which can be also used for filtration and separation purposes.
Possible applications of these “ballistic” membranes - also in view of air pollution treatment - will be discussed in this presentation and compared to other approaches using ultrathin membranes (graphene-, graphene-oxide- or polymer-based).
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