Effects of Synthesis Process on Luminescence Properties and Structure of Mesoporous Carbon-Silica Nanocomposite

被引：2
作者：
Sato, Koji [1 ]
Ishikawa, Yukari [1 ,2 ]
Ishii, Yosuke [3 ]
Kawasaki, Shinji [3 ]
Muto, Shunsuke [4 ]
Yamamoto, Yuta [5 ]
机构：
[1] Japan Fine Ceram Ctr, Nagoya, Aichi 4568587, Japan
[2] Nagoya Inst Technol, Dept Frontier Mat, Nagoya, Aichi 4668555, Japan
[3] Nagoya Inst Technol, Dept Mat Sci & Engn, Nagoya, Aichi 4668555, Japan
[4] Nagoya Univ, Dept Mat Phys & Energy Engn, Div Quantum Sci & Energy Engn, Nagoya, Aichi 4648603, Japan
[5] Nagoya Univ, EcoTopia Sci Inst, Nagoya, Aichi 4648603, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2012年 / 51卷 / 08期
关键词：
WHITE LUMINESCENCE; PHOTOLUMINESCENCE; COPOLYMER; ADSORPTION; TRIBLOCK; SPECTRA; SI;
D O I：
10.1143/JJAP.51.082402
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The effects of hydrolysis and polycondensation reactions for synthesizing light-emitting mesoporous carbon-silica (MPCS) nanocomposite on the structure, chemical bonding state, and luminescence properties of MPCS were investigated by controlling the concentration (0.02 to 5M) of HCI, which was used as a catalyst for hydrolysis and polycondensation. The progress of hydrolysis and polycondensation reactions provides a nanometer-order pore/wall structure and results in a strong light-emitting property. The pore/wall structure was obtained using HCI at concentrations of 0.2M and higher, but it became disordered with increasing HCI concentration (2 and 5M). The luminescence color of the MPCS nanocomposite can be changed from yellowish-white to bluish-white by changing the concentration of HCI. (C) 2012 The Japan Society of Applied Physics
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页数：5
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