3.8 Article

Application of Strontium Aluminate Europium and Dysprosium Doped in Cement Mortar as a Luminescent Material for the Maintenance of Green Environments

Journal

Publisher

ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)HZ.2153-5515.0000716

Keywords

Strontium aluminate europium and dysprosium doping; Luminescence; Dark mortar cubes; Afterglow; Phosphors

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This study investigated the effects of strontium aluminate europium and dysprosium doping (SAEDD) on the properties of cement mortar. The addition of 20% SAEDD improved the luminescence and compressive strength of the mortar, lasting up to 10 hours. XRD, FTIR, EDX, and SEM techniques were used to analyze the performance of SAEDD. This work could contribute to novel advancements in chemistry and chemical engineering, promoting sustainable environments.
Recently, numerous studies have been carried out on the architecture of energy-efficient and environmentally friendly construction materials. In this study, there was studied the content of the strontium aluminate europium and dysprosium doping (SAEDD) on the properties of cement mortar. Portland cement was tested with 10%, 20%, and 30% SAEDD. The mortar cube specimens were then reacted with 5% hydrochloric (HCl) and nitric acid (HNO3) and with 5% of sodium sulfate (Na2SO4) to test the material's strength and chemical stability. The mortar samples that were supplemented with 20% of SAEDD gave the best luminescence that lasted <= 10 h. The compressive strength of the mortar cubes was improved by replacing cement with 20% of the SAEDD. In addition, X-ray diffraction (XRD), Fourier-transform infrared (FTIR) and energy dispersive X-ray spectroscopy (EDX), and scanning electron microscopy (SEM) were used to study the performance of the SAEDD. From the results, the use of strontium aluminate (SrAlO4)-doped phosphors in dark mortar gave luminescence <= 10 h. This work could open a novel gateway in chemistry and novel aspects of chemical engineering, possibly helping to sustain green environments. (C) 2022 American Society of Civil Engineers.

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