The luminescence properties of Bi2O2CO3:Eu3+ are studied for the first time.
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The photoluminescence intensity is related to crystallinity and size uniformity.
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Different morphologies of Bi2O2CO3 are obtained by urea-based precipitation method.
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Uniform nanosheet phosphor shows strongest red light than the other two shapes.
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The CIE coordinate of prepared red phosphor is close to the standard (0.67, 0.33).
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