SbVO₄ nanoparticles synthesized via three facile one-pot methods: controllable morphologies and superhydrophobic coatings

Abstract

Inert colloidal SbVO with special morphologies is promising for practical superhydrophobic coatings. However, its conventional synthesis suffers from harsh preparation conditions, limiting the material applications. Herein, by using KVO·9HO as a novel vanadium source, SbVO nanoparticles were prepared through three different facile methods: hydrothermal method, reflux method and ultrasonic method. The pH values of the reaction environment were tuned as the only variable to shape the final products. Colloidal morphologies can be engineered to microflakes, or amalgamations of nanoparticles. Drop-casting glasses with the as-synthesized samples will lead to surface superhydrophobicity under basic, neutral, and acidic conditions. Static contact angle of as-coated film can reach above 160° and be durable even under salt solution of different pH values. Besides creating anticorrosive and hydrophobic coating materials, these facile synthesis routes may also facilitate large-scale manufacture of similar chemicals for practical applications.

Bimetallic Antimony–Vanadium Oxide Nanoparticles Embedded in Graphene for Stable Lithium and Sodium Storage

“…These two asymmetric peaks can be further divided into V 5+ (516.9 and 524.2 eV) and V 4+ (515.8 and 523.1 eV), indicating the mixed-valence state of V in the materials . The Sb 3d located at 531.18 and 540.58 eV (Figure f) correspond to the Sb 3d 5/2 and Sb 3d 3/2 orbitals, respectively …”

“…26 The Sb 3d located at 531.18 and 540.58 eV (Figure 2f) correspond to the Sb 3d 5/2 and Sb 3d 3/2 orbitals, respectively. 27 The morphology and microstructures of the materials were revealed by SEM characterization. As shown in Figure 3a,b, pure SbVO 4 is mainly in the form of nanoparticles, showing obvious particle agglomeration.…”