Two-Step Growth of Goethite from Ferrihydrite

• Published in: Langmuir Vol. 22; no. 1; pp. 402 - 409
• Main Authors: Burleson, David J, Penn, R. Lee
• Format: Journal Article
• Language: English
• Published: Washington, DC American Chemical Society 03.01.2006
• Subjects: Chemistry; Colloidal state and disperse state; Exact sciences and technology; General and physical chemistry; Physical and chemical studies. Granulometry. Electrokinetic phenomena; Particle size; Tracking; Growth; Nanoparticle; Microwave; Transition metal; Iron; Liquid crystals; Precursor; Aggregation; Particle; Phase transformation; Precipitation; Ostwald ripening; Preparation; Homogeneity; pH; Aqueous solution; Goethite; Nanocrystal

Goethite (α-FeOOH) is an antiferromagnetic iron oxyhydroxide that is often synthesized by precipitation from homogeneous, aqueous solution followed by aging. This paper addresses goethite growth by phase transformation of six-line ferrihydrite nanoparticles to goethite followed by oriented aggregati...