A Facile Layer-by-Layer Adsorption and Reaction Method to the Preparation of Titanium Phosphate Ultrathin Films
Source abstract
Abstract
A layer-by-layer adsorption and reaction method was developed for the preparation of titanium phosphate ultrathin films. By repetitive adsorption of hydrated titanium from aqueous Ti(SO 4 ) 2 solution and subsequent reaction with phosphate groups, ultrathin films of titanium phosphate were fabricated. Regular film growth was verified by UV−vis absorption spectroscopy and quartz crystal microbalance measurements. The film composition is mainly Ti(HPO 4 ) 2, as confirmed by X-ray photoelectron spectroscopy and FT-IR spectroscopy. The as-prepared titanium phosphate films are uniform, highly stable, and their thickness can be well controlled by adjusting the number of adsorption−reaction cycles and pH value of Ti(SO 4 ) 2 and phosphate salt solutions. The layer-by-layer adsorption and reaction method provides a facile way to prepare ultrathin films of titanium phosphate and other kinds of metal phosphates.
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Research context
OpenAlex topics: Polymer Surface Interaction Studies · Advanced Photocatalysis Techniques · Analytical Chemistry and Sensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, P. R. China 130012
References (39)
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