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材料工程  2005 

Cu2+对掺Pb2+的β-BaB2O4纳米材料发光特性的影响

, PP. 19-21

Keywords: β-BaB2O4纳米材料,发光,Pb2+和Cu2+

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Abstract:

采用共沉淀法合成了掺杂Cu2+,Pb2+的-βBaB2O4纳米材料,通过激发光谱和发射光谱研究了其发光性质,并探讨了Cu2+对Pb2+发光性能的影响。在-βBaB2O4Pb2+的发射光谱中观察到位于630nm的强而稳定的发射峰。由于Cu2+和Pb2+在-βBaB2O4中形成复合发光中心,Cu2+和Pb2+共掺样品的发射光谱与Pb2+单独样品的发射光谱有很大的不同,Pb2+在-βBaB2O4Cu2+,Pb2+中的发光强度显著增强。

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