X-Ray Photoelectron Spectroscopy (XPS) Study of Layered Double Hydroxides with Different Exchangeable Anions

Layered double hydroxides (LDH) containing various exchangeable anions were studied to show how X-ray Photoelectron Spectroscopy (XPS) can provide information on the local environments of the different elements within the interlayer anionic groups and their possible influence on the LDH interlayer hydroxide surfaces. As such, XPS can potentially provide additional information about these systems that cannot be obtained by other common spectroscopic methods, such as infrared and Raman spectroscopy. A Mg6Al2X(OH)16. 4H2O with X representing interlayer anions CO32−, PO43−, SO42−, MoO42−, CrO43−, Fe(CN)64−, and Fe(CN)63− was studied. The hydroxide layer structure is characterized by the Mg 2p and Al 2p with a…

• UO
  University of Queensland
• UO
  University of the Philippines