On the Preparation and Properties of Luminous Concrete

Su Zhao; Ya Qing Li; Qian Wang

doi:10.4028/www.scientific.net/AMR.724-725.1654

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 724-725On the Preparation and Properties of Luminous...

On the Preparation and Properties of Luminous Concrete

Abstract:

The luminous concrete was made by doping phosphors into the raw concrete materials. The CaO (xDy³⁺, yNa⁺ series) phosphors were compounded by high temperature solid state method. Florescent powder phase, excitation and emission spectra were analyzed. The results show that the peak of florescent powder emission spectrum locates at 480nm or so, corresponds the transition⁴F_{9 /2}⁶H_{15 /2} of Dy³⁺. There are a series of lines in the range of 240-420nm by monitoring the excitation spectrum of 480nm emission. Strong excitation peaks are at 360nm and 375nm. Influences of doped phosphors on concrete mechanical properties were studied. The results show that with the growth of phosphor dosage, concrete compressive strength and flexural strength decrease. SEM images show that the fluorescent powder particle is approximately spherical, and uniformly mixed in concrete.

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Periodical:

Advanced Materials Research (Volumes 724-725)

Pages:

1654-1658

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.724-725.1654

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Online since:

August 2013

Authors:

Su Zhao*, Ya Qing Li, Qian Wang

Keywords:

Luminous Concrete, Performance Research, Phosphor, Preparation

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