Shortwave Triboluminescence of Ce Doped Silicate Phosphor in Sliding Friction and its Potential Application as Light Source Means for Controlling Agricultural Pests

Abstract:

The Ce doped Strontium Magnesium silicate phosphor Sr₂MgSi₂O₇:Ce is compounded by using high temperature roasting process, and the plane sample of prepared phosphor is obtained by tablet press method. A modified MCJ-01A friction tester with the friction pair of glass bar against on the plane phosphor sample is used to determine the triboluminescence property of Ce doped Strontium Magnesium silicate phosphor in the linear contact sliding friction. Examination on the triboluminescence of Ce doped Strontium Magnesium silicate phosphor indicates that a quality triboluminescent phosphor with 448nm± blue spectrum emission can be obtained only in the 1200°C calcining temperature, and only 0.010 molar Ce doping concentration in the Sr₂MgSi₂O₇:Cex can promote the prepared phosphor to generate a higher triboluminecent emission and a smaller full width at half maximum (FWHM). The suitable level of applied load is beneficial to hold a balance between wear increment and spectrum intensity. Finally a triboluminescent unit with squirrel cage structure is constructed to realize the triboluminescence of multiple glass bars against on the cylindrical phosphor in the manner of sliding friction. This can satisfy the light emitting of 360o azimuth, and generate more tribological luminous flux.

• Periodical: Solid State Phenomena (Volume 263)
• Pages: 142-147
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.263.142
• Online since: September 2017
• Authors: Qiang Zhou*, Liu Yang, Xiao Hong Xiao, Qing Zhi Zhai
• Keywords: Agricultural Pests, Ce Doped Silicate, Light Source, Phosphor, Phototaxis Trapping, Shortwave Emission, Sliding Friction, Triboluminescence (TL)

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