Empirical kinetics for the growth of titania nanotube arrays by potentiostatic anodization in ethylene glycol
Cortes, Francisco Javier Quintero
Arias-Monje, Pedro Jose
MetadataShow full item record
The goal of this research was to describe the effects of the main anodization variables on the morphology of the resulting titania nanotube arrays. Four variables were considered in this study: applied voltage, fluoride and water concentrations, and time. The first three variables were studied simultaneously in a central composite design of experiments using SEM measurements of tube length as the response variable. The effect of time was modeled using transferred charge as the response variable. A field assisted oxidation-dissolution growth model was validated over a broad range of experimental conditions under which tube growth can be accurately predicted directly from the current transients using Faraday’s laws. The effects of anodization variables were described based on this model and a simple, empirical kinetic expression was obtained and successfully tested against data from other authors with fairly small errors over a broad range of conditions.
Showing items related by title, author, creator and subject.
The STEP Model: Characterizing Simultaneous Time Effects on Practice for Flight Simulator Performance Among Middle-Aged and Older Pilots Kennedy, Quinn; Taylor, Joy; Noda, Art; Yesavage, Jerome; Lazzeroni, Laura C. (HHS Public Access, 2015-09);Understanding the possible effects of the number of practice sessions (practice) and time between practice sessions (interval) among middle-aged and older adults in real world tasks has important implications for skill ...
Agrawal, B.N. (1992);This paper investigates alternate control techniques for the attitude control of a three axis stabilized flexible communications satellite consisting of a large reflector and a solar array. The control configurations ...
Modeling studies of the effects of wind forcing and thermohaline gradients on the California Current System Batteen, Mary L.; Vance, Philip W. (1998);This process-oriented study uses a high-resolution, multi-level, primitive equation model to study the combined effects of wind forcing and thermohaline gradients on the ocean circulation of the California Current System ...