Sentence examples for free of catalyst from inspiring English sources

In the Figure 2a, the TEM image shows that the SCNT film before doping is virtually free of catalyst residue.

And because of the high efficiency of the growth process, the resulting crop of nanotubes ends up nearly free of catalyst contaminants.

Well-aligned, open-ended carbon nanotubes (CNTs), free of catalyst and other carbon products, were synthesized inside the pores of an anodic aluminium oxide (AO) template without using any metallic catalyst.

Herein, we describe a highly efficient, gram-scale synthesis of a hydrogen-bond-containing ladder polymer through an approach free of metal catalyst.

Notably, compared to metal-catalyzed azide ethynyl 2c,d or other click reactions, 4c this ring opening reaction is free of metal catalysts, proceeds smoothly and cleanly, and excludes the formation of metal nanoparticles that would contaminate the channels.

After heat treatment to 2400 °C and above, the CNFs were completely free of residual metal catalyst inclusions, principally nickel used in their synthesis, and other functionalities.

Herein, we investigate the performance and interfacial kinetics of solar-to-hydrogen fuel conversion on black Si photocathodes that, for the first time, are free of any metal catalysts.

While the non-catalytic supercritical methanol method produces highly purified extracts (free of harmful solvents and catalyst residues), and reduces energy consumption in separation and purification steps.

The yield equal to 384 g C/g Ni was characteristic of the catalyst free of silicates, while the presence of silicates in amount of 1.5 2 wt.% caused a decrease in the carbon yield to 40 g C/g Ni.

The strategy for efficient catalyst development, based on variation, selection and composition spread is demonstrated with the development of a low temperature CO-oxidation catalyst free of noble metals.

However, conversion of NO2 to NO is near complete when using isobutane over Cu-ZSM5, possibly due to a process which also maintains the catalyst free of deposited material.