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Fe(II)-beta zeolites with a Si/Al molar ratio of 5, synthesized in the absence of an organic structure-directing agent, showed remarkably efficient NO chemisorption, as compared to conventional Si-rich beta zeolites (Si/Al=12–20) and common zeolites such as A-type zeolite, ZSM-5, and faujasite.
Bimetallic catalysts (Co:Mo ~2:1 in atomic ratio) were prepared on quartz substrates from metal acetate solutions using a procedure of dip coating, followed by calcination and reduction. High-purity single-walled carbon nanotubes (SWNTs) 1-2 nm in diameter were grown densely (~1.0x10 17 m -2 ) and vertically on these substrates during an alcohol catalytic chemical vapor deposition...
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