Formation of bayerite, gibbsite and boehmite particles by laser ablation
文献信息
Aluminium hydroxides were prepared by the laser ablation method, a nanosecond pulsed laser being employed to irradiate an Al rod immersed in H2O solvent. Through the course of aging, bayerite, gibbsite and boehmite particles were formed simultaneously. These crystals exhibited three different morphologies. Their shapes were triangular (bayerite), rectangular (gibbsite) and fibrous (boehmite). The dimensions averaged several hundred nanometers. The measurements of the UV-vis absorption can serve as a tool to identify whether or not the crystalline particles had been obtained, in addition to the TEM images. A dissolution–recrystallization process was observed in the development of aluminous materials. The progression of formation from bulk Al to nano-aluminium hydroxides is discussed. Both basic and acidic conditions showed an influence on the growth of particles. The boehmite products can be generated solely by increasing the solution temperature.
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.











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