Topological Engineering of Glass for Modulating Chemical State of Dopants

• DOI: 10.1002/adma.201403256
• Publication Date: 2014-10-20T16:13:23Z
• Authors: Shifeng Zhou; Qiangbing Guo; Hiroyuki Inoue; Qun Ye; Atsunobu Masuno; Binbin Zheng; Yongze Yu; Jianrong Qiu
• Keywords: Boron Compounds; Electron Spin Resonance Spectroscopy; Nanoparticles; Glass; 02 engineering and technology; Molecular Dynamics Simulation; Silicon Dioxide; 0210 nano-technology

A novel approach to modulating the chemical state of dopants by engineering the topological features of a glass matrix is presented. The method allows selective stabilization of dopants on a wide range of length scales, from dispersed ions to aggregated clusters to nanoparticles, leading to various intriguing optical phenomena, such as great emission enhancement and ultra-broadband optical amplification.