X-ray diffraction studies on the arrangement of atoms in carbon blacks. I. Results of radial distribution analysis

Sanyal, S. K.; Samantaray, B. K.; Mitra, G. B.

doi:10.1107/s0567739482000709

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1983

1986

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Cited by 3 publications

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“…The average value of the extent of graphitisation within a sample is probably best assessed by XRD line widths (Haldeman and Botty, 1959;Sanyal et al, 1982) but TEM gives detailed high-resolution structural information about the way in which the graphite order is established, such as the size and configuration of the aromatic sheets and the extent to which they have packed into a graphite arrangement.…”

Section: Coke Depositsmentioning

confidence: 99%

Transmission electron microscopy of catalysts

Sanders

1986

J. Elec. Microsc. Tech.

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The determination of the structures of catalysts is an important step in understanding their behaviour and in developing new or improved catalysts. By their nature, catalysts mostly have a structure which can be resolved only by transmission electron microscopy (TEM) used near its limit of applicability. This article discusses recent selected examples of the use of TEM to examine materials used as catalysts, such as clusters of atoms, small crystalline particles, the materials (oxides) on which these are supported, zeolites, and deposits of carbon which often form on catalysts during catalytic reactions. Interpretation of the images is often aided by the techniques of image processing.

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Section: Coke Depositsmentioning

confidence: 99%