Abstract
A new organic-inorganic hybrid structure based on copper (I) iodide staircase chain 1D-Cu2I2(5-chloropyrimidine)2 (1) has been synthesized by a slow-diffusion method. It emits red emission peaking at 620 nm. The internal quantum yield (IQY) measured for this compound is 6.5% under 360 nm excitation. This compound exhibits potential as a non-rare-earth light-emitting phosphor alternative.
Highlights
Replacement of traditional energy-costly incandescent lamps by light-emitting diode (LED) lamps could be an important step on reducing the amount of electricity usage worldwide [1,2,3]
We report a new organic-inorganic hybrid structure on the basis of copper halide staircase chain 1D-Cu2I2(5-chloropyrimidine)2 (1) as a promising candidate for light emitting phosphors
The slow-diffusion method is an efficient method for obtaining high-purity crystals of Cu2I2 rhomboid dimer type structures
Summary
Replacement of traditional energy-costly incandescent lamps by light-emitting diode (LED) lamps could be an important step on reducing the amount of electricity usage worldwide [1,2,3]. The RE metal is essential either for building the inorganic structures or to control the light quality, and RE metals, such as europium and yttrium, are at supply risk and have environmental issues [8] What is more, their synthesis usually involves extremely high temperatures (>1000 ◦C) and synthetic processes are always complicated. We report a new organic-inorganic hybrid structure on the basis of copper halide staircase chain 1D-Cu2I2(5-chloropyrimidine) (1) as a promising candidate for light emitting phosphors. This compound emits red emission peaking at 620 nm. These materials were used as received, which means no further purification was applied
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