Time-of-flight secondary ion mass spectrometry of wet and dry chemically treated display glass surfaces

被引:15
作者
Cushman, Cody V. [1 ]
Zakel, Julia [2 ]
Sturgell, Brandon S. [1 ]
Major, George I. [1 ]
Lunt, Barry M. [3 ]
Bruener, Philipp [2 ]
Grehl, Thomas [2 ]
Smith, Nicholas J. [4 ]
Linford, Matthew R. [1 ]
机构
[1] Brigham Young Univ, Coll Phys & Math Sci, Dept Chem & Biochem, Provo, UT 84602 USA
[2] IONTOF GmbH, Munster, Germany
[3] Brigham Young Univ, Dept Informat Technol, Coll Engn, Provo, UT 84602 USA
[4] Corning Inc, Sci & Technol Div, Corning, NY 14831 USA
关键词
borosilicate glass; chemical durability; chemometrics; glass; substrates; ToF-SIMS; TOF-SIMS; SILICATE-GLASSES; CORROSION; COORDINATION; ALUMINUM; IMAGES; ENERGY; STATES;
D O I
10.1111/jace.14967
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Display glasses meet the demands of the flat panel display industry vis-a-vis their composition, flatness, and forming processes. Here, we report the high-resolution time-of-flight secondary ion mass spectrometry (ToF-SIMS) characterization of Corning (R) EAGLE XG (R), a widely used display glass, and subsequent chemometric analyses of these data. Samples analyzed included the as-formed glass, fracture surfaces from remelt bars, and as-formed surfaces subsequently exposed to process-relevant treatments, including strong acids and bases, two industrial detergents, and an atmospheric-pressure plasma treatment. Elemental signals in the positive ion ToF-SIMS spectra respond to surface treatments. Acidic conditions leach non-silica components from the surfaces, while basic treatments extract these species less efficiently. The detergents leave residues of Na+ and K+. The atmospheric pressure (AP) plasma treatment had little effect on the surface composition, while the melt surface differs significantly from the bulk fracture surface. Above ca. 75 m/z, the negative ion spectra are dominated by two series of homologous cluster ions with compositions of SinO2n+2Al- and SimHO2m+1H-. The presence of these clusters suggests that analogous structures exist at the near surface regions of the samples. In a series of multivariate curve resolution (MCR) analyses, two or three MCR components captured >95% of the variance in the data for these samples.
引用
收藏
页码:4770 / 4784
页数:15
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