Functionalization of nickel oxide using alkylphosphonic acid self-assembled monolayers

Quiñones, Rosalynn; Raman, Aparna; Gawalt, Ellen S.

doi:10.1016/j.tsf.2008.06.055

Cited by 74 publications

(84 citation statements)

References 78 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This indicates the chemical reaction between the Si-OH group of APTHS and a hydroxyl group of DDPA, whose products can be absorbed on the alloy surface. Amplification of the peaks' intensity as well as "deformation" of some peaks in the FTIR spectra (in the case of the alloy surface) can be explained by overlapping APTHS peaks with those of DDPA in the area of wavenumbers from 1200-950 cm −1 attributed to P-O stretching [46,47]. From obtained FTIR spectra it can be concluded presence of DDPA SAM and APTHS on the surface layer.…”

Section: Modification Of Alkylphosphonic Acid Pretreatment Film With mentioning

confidence: 87%

“…≤ 2918 cm −1 and υ(CH 2 ) symm. ≤ 2848 cm −1 is characteristic of a well-ordered monolayer [37,[44][45][46], it can be concluded that on the surface of AZ91D alloy, the formed DDPA SAMs are well arranged. The PO region of the DDPA powder contains a broad peak at 1208.7 cm −1 attributed to the stretching vibration of P=O bond, peaks at 1072.2 cm −1 and 993.8 cm −1 attributed to the stretching vibration of P-O bond, and peaks at 948.3 cm −1 and 928.1 cm −1 attributed to the stretching vibration of P-OH bond.…”

Section: Optimization Of the Pretreatment Parameters For The Formatiomentioning

confidence: 92%

See 1 more Smart Citation

Effective and Environmentally Friendly Nickel Coating on the Magnesium Alloy

Rončević

Buzuk

Vladislavić

2016

Metals

View full text Add to dashboard Cite

Abstract:The low density and good mechanical properties make magnesium and its alloys attractive construction materials in the electronics, automotive, and aerospace industry, together with application in medicine due to their biocompatibility. Magnesium AZ91D alloy is an alloy with a high content of aluminum, whose mechanical properties overshadow the low corrosion resistance caused by the composition of the alloy and the existence of two phases: α magnesium matrix and β magnesium aluminum intermetallic compound. To improve the corrosion resistance, it is necessary to find an effective protection method for the alloy surface. Knowing and predicting electrochemical processes is an essential for the design and optimization of protective coatings on magnesium and its alloys. In this work, the formations of nickel protective coatings on the magnesium AZ91D alloy surface by electrodeposition and chemical deposition, are presented. For this purpose, environmentally friendly electrolytes were used. The corrosion resistance of the protected alloy was determined in chloride medium using appropriate electrochemical techniques. Characterization of the surface was performed with highly sophisticated surface-analytical methods.

show abstract

Section: Modification Of Alkylphosphonic Acid Pretreatment Film With mentioning

confidence: 87%

Section: Optimization Of the Pretreatment Parameters For The Formatiomentioning

confidence: 92%

Effective and Environmentally Friendly Nickel Coating on the Magnesium Alloy

Rončević

Buzuk

Vladislavić

2016

Metals

View full text Add to dashboard Cite

show abstract

“…The properties of electronic devices deteriorate or they fail, even at a low corrosion rate of the structural material. In this connection, APhs, which, as already noted, are more strongly chemisorbed on oxides or oxidized surfaces of many metals than carboxylates, were also investigated on Ni foils with natural oxide coating [99].…”

Section: Mono-and Diphosphonic Acids and Their Saltsmentioning

confidence: 82%

Organic corrosion inhibitors: where are we now? A review. Part IV. Passivation and the role of mono- and diphosphonates

Kuznetsov¹

2017

Int. J. Corros. Scale Inhib.

View full text Add to dashboard Cite

This article continues the review of studies (2006)(2007)(2008)(2009)(2010)(2011)(2012)(2013)(2014)(2015)(2016) dealing with the passivation of various metals by solutions of organic corrosion inhibitors. It provides an overview of papers on the passivating properties of mono-and diphosphonic acids and their salts. The results of corrosion and electrochemical studies, as well as studies on the composition and structural features of surface layers on metals by a variety of physicochemical methods are considered.

show abstract

“…Herein, this is one reason for the improvement of ilmenite flotability and an increase in recovery. Studies also show that, as for ilmenite, the content of Fe 3+ on the ilmenite surface has an obvious influence on the ilmenite flotation because the solubility product constant (K sp ) of Fe 3+ is smaller than that of Fe 2+ , suggesting that Fe(OL) 3 products are more stable and Fe 3+ is more inclined to interact with the collector rather than Fe 2+ [21]. During the process of attrition-scrubbing, a fresh surface is produced with a characteristic of high-activity and, because of the oxidation, the conversion trend of Fe 3+ to Fe 2+ is augmented.…”

Section: Discussionmentioning

confidence: 99%

“…Titanium and its alloy are widely studied with many advantages, such as corrosion resistance, higher strength to weight ratio, biocompatibility, and good temperature resistance [1][2][3]. Currently, it has been extensively applied in aerospace, medicine, navigation, and catalytic industries.…”

Section: Introductionmentioning

confidence: 99%

Flotability Improvement of Ilmenite Using Attrition-Scrubbing as a Pretreatment Method

et al. 2017

View full text Add to dashboard Cite

Flotation technology of the recovery and utilization of ilmenite from tailings of iron beneficiated in Panzhihua was investigated based on mineralogical study. The results of mineralogical study show that the main occurrence of the valuable mineral are liberated grains of ilmenite. Experimental results of flotation conditions show that attrition-scrubbing raw ores exhibit good flotability with higher recoveries and a slight decrease in grade compared to ores without attrition-scrubbing. Further, open-circuit experiments also prove the superiority of attrition-scrubbing raw ores. The results of closed-circuit experiments show that qualified ilmenite concentrate can be obtained and the yield, grade, and recovery are 22.26%, 47.06%, and 60.73%, respectively. Theoretical study and analysis show that there are two contributions to superior flotability for attrition-scrubbing samples. The first is that the attrition-scrubbing samples can uncover more ferrous ions on the newly-produced fresh ilmenite surface, resulting in the increase in active sites. The other is that in the process of attrition-scrubbing, the transformation of ferrous ions to ferric ions can be promoted.

show abstract

Functionalization of nickel oxide using alkylphosphonic acid self-assembled monolayers

Cited by 74 publications

References 78 publications

Effective and Environmentally Friendly Nickel Coating on the Magnesium Alloy

Effective and Environmentally Friendly Nickel Coating on the Magnesium Alloy

Organic corrosion inhibitors: where are we now? A review. Part IV. Passivation and the role of mono- and diphosphonates

Flotability Improvement of Ilmenite Using Attrition-Scrubbing as a Pretreatment Method

Contact Info

Product

Resources

About