Use of Radiofrequency Power to Enable Glow Discharge Optical Emission Spectroscopy Ultrafast Elemental Mapping of Combinatorial Libraries with Non-conductive Components: Nitrogen-Based Materials

Claudia Gonzalez de Vega, Deborah Alberts, Vipin Chawla, Gaurav Mohanti, Ivo Utke, Johan Michler, Rosario Pereiro, Nerea Bordel, Gerardo Gamez Goytia

Research output: Contribution to journalArticlepeer-review

Abstract

Combinatorial chemistry and high-throughput techniques are an efficient way of exploring optimal values of elemental composition. Optimal composition can result in high performance in a sequence of material synthesis and characterization. Materials combinatorial libraries are typically encountered in the form of a thin film composition gradient which is produced by simultaneous material deposition on a substrate from two or more sources that are spatially separated and chemically different. Fast spatially resolved techniques are needed to characterize structure, composition, and relevant properties of these combinatorial screening samples. In this work, the capability of a glow discharge optical emission spectroscopy (GD-OES) elemental mapping system is extended to nitrogen-based combinatorial libraries with nonconductive components through the use of pulsed radiofrequency power. The effects of operating parameters of the glow discharge and detection system on the achievable spatial r
Original languageEnglish
Pages (from-to)7533-7538
JournalAnalytical and Bioanalytical Chemistry
StatePublished - Nov 2014

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