...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Photoluminescence from Bi _5(GaCl _4) _3 molecular crystal
【24h】

Photoluminescence from Bi _5(GaCl _4) _3 molecular crystal

机译：Bi _5（GaCl _4）_3分子晶体的光致发光

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Bi _5(GaCl _4) _3 sample has been synthesized through the oxidation of Bi metal by gallium chloride (GaCl _3) salt. Powder X-ray diffraction as well as micro-Raman scattering results revealed that, in addition to crystalline Bi _5(GaCl _4) _3 in the product, an amorphous phase containing [GaCl _4] ~- and [Ga _2Cl _7] ~- units also exists. The thorough comparison of steady-state and time-resolved photoluminescent behaviors between the Bi _5(GaCl _4) _3 product and Bi _5(AlCl _4) _3 crystal leads us to conclude that Bi _5 ~(3+) is the dominant emitter in the product, which gives rise to the ultrabroad emission ranging from 1 to 2.7 μm. Detailed quantum chemistry calculation helps us assign the observed excitations to some electronic transitions of the Bi _5 ~(3+) polycation, especially at shorter wavelengths. It is believed that our work shown here is not only helpful to solve the confusions on the luminescent origin of bismuth in other material systems, but also serves to develop novel broadband tunable laser materials.
机译：Bi _5（GaCl _4）_3样品是通过用氯化镓（GaCl _3）盐氧化Bi金属而合成的。粉末X射线衍射和微拉曼散射结果表明，除产物中的晶体Bi _5（GaCl _4）_3外，还含有[GaCl _4]〜-和[Ga _2Cl _7]〜-单元的非晶相。也存在。彻底比较Bi _5（GaCl _4）_3产物和Bi _5（AlCl _4）_3晶体的稳态和时间分辨光致发光行为，可以得出结论，Bi _5〜（3+）是该晶体中的主要发射体。产生超宽发射，范围从1到2.7μm。详细的量子化学计算有助于我们将观察到的激发分配给Bi _5〜（3+）聚阳离子的某些电子跃迁，尤其是在较短的波长下。可以相信，这里显示的工作不仅有助于解决铋在其他材料系统中的发光起源的困惑，而且有助于开发新型的宽带可调谐激光材料。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号