ArticleMaterials (Basel, Switzerland)2023
Hydrothermal Synthesis of ZnO Superstructures with Controlled Morphology via Temperature and pH Optimization.
Article in Materials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 77 citations in OpenAlex.
- Environmental classification of synthetic methods for zinc oxide nanoparticles: a comparative review of sustainable green and conventional approaches with their diverse applications.Nanoscale advances · 2026Review
- Sustainable ZnO/ZnGels (Basel, Switzerland) · 2026Article
- Hydrothermal synthesis of ZnO nanoparticles from recycled ZnO obtained from electric Arc furnace dust: morphology control and applications.Scientific reports · 2026Article
- Low-dimensional materials for intracellular electrophysiology: advances from synthesis to applications.Microsystems & nanoengineering · 2026Review
- Ultrasound-assisted green synthesized ZnO nanoparticles with different solution pH for water treatment.Scientific reports · 2025Article
- The Application of Ultrasound Pre-Treatment in Low-Temperature Synthesis of Zinc Oxide Nanorods.Materials (Basel, Switzerland) · 2024Article
- Cutting-edge developments in zinc oxide nanoparticles: synthesis and applications for enhanced antimicrobial and UV protection in healthcare solutions.RSC advances · 2024Review
- Synergistic Influence ofPlants (Basel, Switzerland) · 2024Article
- 3D-ZnO Superstructure Decorated with Carbon-Based Material for Efficient Photoelectrochemical Water-Splitting under Visible-Light Irradiation.Nanomaterials (Basel, Switzerland) · 2023Review
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Zinc oxide, as a widely used material in optics, electronics, and medicine, requires a complete overview of different conditions for facile and easily reproducible syntheses. Two types of optimization of ZnO hydrothermal preparation from zinc acetate and sodium hydroxide solution are presented, which allowed for obtaining miscellaneous morphologies of materials. The first was a temperature-controlled synthesis from 100 to 200 °C, using citric acid as a capping agent. The formation of hexagonal rods at the lowest temperature was evidenced, which agglomerated to flower-like structures at 110 and 120 °C. It was followed by transformation to flake-like roses at 160 °C, up to disordered structures composed of nanosized plates (>180 °C). The transformations were generated through a temperature change, which had an impact on the diffusion effect of hydroxide and citrate complexes. The second optimization was the hydrothermal synthesis free of organic additives and it included only a pH variation from 7.5 to 13.5. It was found that by utilizing a slow-dropping process and varying amounts of NaOH solutions, it is possible to obtain well-formed hexagonal pellets at pH 8.0-8.5. Strongly basic conditions of pH 11.0 and 13.5 impeded superstructure formations, giving small elongated particles of ZnO. All samples were characterized by high phase purity and crystallinity, with a specific surface area of 18-37 m
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