Characterization of Catalytic Materials

Scanning electron microscope (SEM) images of materials were acquired on Zeiss Supra 55. Transmission electron microscope (TEM) images and selected area electron diffraction (SAED) pattern were acquired on FEI TECNAI G^{2 (link)} at 200 keV. X-ray diffraction (XRD) patterns were recorded on a Bruker D8 Advance diffractometer at 40 mA and 40 kV using Cu Kα radiation. X-ray photoelectron spectroscopy (XPS) was performed on a Kratos Axis Supra using monochromatic Al Kalph source (150 W). Metal contents in catalysts were determined by ICP-AES on a Thermo ICAP6300 Radial.

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Zhou H., Ren Y., Li Z., Xu M., Wang Y., Ge R., Kong X., Zheng L, & Duan H. (2021). Electrocatalytic upcycling of polyethylene terephthalate to commodity chemicals and H2 fuel. Nature Communications, 12, 4679.

Publication 2021

Supra 55 D8 Advance Axis Supra ICAP6300 Radial

Axis Electron Metal Radiation Scanning electron microscope Transmission electron microscope X ray diffraction

Corresponding Organization :

Other organizations : Tsinghua University, Beijing University of Chemical Technology, Institute of High Energy Physics, Chinese Academy of Sciences

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Variable analysis

independent variables

Scanning electron microscope (SEM) images of materials
Transmission electron microscope (TEM) images
Selected area electron diffraction (SAED) pattern
X-ray diffraction (XRD) patterns
X-ray photoelectron spectroscopy (XPS)
Metal contents in catalysts

dependent variables

Measured outcomes from the various characterization techniques

control variables

Zeiss Supra 55 for SEM
FEI TECNAI G2 at 200 keV for TEM and SAED
Bruker D8 Advance diffractometer at 40 mA and 40 kV using Cu Kα radiation for XRD
Kratos Axis Supra using monochromatic Al Kalph source (150 W) for XPS
Thermo ICAP6300 Radial for ICP-AES

controls

Positive controls: Not explicitly mentioned
Negative controls: Not explicitly mentioned

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