Journal
NANO LETTERS
Volume 8, Issue 8, Pages 2405-2409Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl801299z
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Funding
- Global Climate and Energy Project at Stanford University
- The American Chemical Society Petroleum Research Fund
- U.S. DOE [DE-AC52-07NA27344]
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Using atomic layer deposition (ALD), we show that lot nanoparticles can be deposited on the inner surfaces of carbon aerogels (CA). The resultant Pt-loaded materials exhibit high catalytic activity for the oxidation of CO even at loading levels as low as similar to 0.05 mg Pt/cm(2). We observe a conversion efficiency of nearly 100% in the 150-250 degrees C temperatures range, and the total conversion rate seems to be limited only by the thermal stability of the CA support in ambient oxygen. The ALD approach described here is universal in nature, and can be applied to the design of new catalytic materials for a variety of applications, including fuel cells, hydrogen storage, pollution control, green chemistry, and liquid fuel production.
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