A Dual‐Regulation Strategy Enables Broadly Tunable Multiband Emission in Organic–inorganic Hybrid Rare Earth Halide Glass toward Dynamic Information …
A Dual‐Regulation Strategy Enables Broadly Tunable Multiband Emission in Organic–inorganic Hybrid Rare Earth Halide Glass toward Dynamic Information …
研究概述
在有机–无机杂化稀土卤化物玻璃Bzmim3YbCl6中引入镧系离子，以双重调控抑制浓度猝灭并激活多波段发光。短波红外强度提高约一个数量级；Tb/Eu共掺使单一玻璃同时具备RGB及短波红外可调发光，结合可回收和可塑形特性，用于防伪及动态信息加密。
谱图与表征信息
FIGURE 2 Analysis of the local structure of BYC glass. (a) FTIR spectra of Bzmim⋅HCl, BYC crystals and glass. (b) Normalized Yb L3-edge XANES spectra of the BYC crystal and glass compared to the standard Yb2O3. (c) Fitting FT-EXAFS spectra at the Yb L3-edge of the BYC crystal and glass. (d,e) WT-EXAFS signals at the Yb L3-edge for standard Yb2O3 and BYC glass. (f) Raman spectra of the BYC crystal and glass.