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Photonic crystals from ordered mesoporous thin-film functional building blocks

被引：161
作者：
Fuertes, Maria Cecilia
Lopez-Alcaraz, Francisco Javier
Marchi, Maria Claudia
Troiani, Horacio E.
Luca, Vittorio
Miguez, Hernan
Arturo Soler-Illia, Galo Juan de Avila
机构：
[1] CSIC, Inst Ciencia Mat Sevilla, Seville 41092, Spain
[2] Comis Nacl Energia Atom, Ctr Atom Constituyentes, Unidad Act Quim, RA-1429 Buenos Aires, DF, Argentina
[3] Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, Argentina
[4] Univ Buenos Aires, Fac Ciencias Exactas & Nat, INQUIMAE, DQIAQF, Buenos Aires, DF, Argentina
[5] Comis Nacl Energia Atom, Ctr Atom Bariloche, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
[6] Inst Balseiro, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
[7] Australian Nucl Sci & Technol Org, Inst Mat Sci & Engn, Lucas Heights, NSW 2234, Australia
来源：
ADVANCED FUNCTIONAL MATERIALS | 2007年 / 17卷 / 08期
关键词：
SILICA FILMS; OPTICAL-PROPERTIES; BANDGAP MATERIALS; CHEMISTRY; POROSITY; DEFECTS; AIR;
D O I：
10.1002/adfm.200601190
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Environment-sensitive Bragg reflectors are built using functional mesoporous thin films as building blocks. Tuning of optical properties is achieved by changing the composition or porosity of the slabs or the introduction of planar defects. Sorption or capillary condensation of molecules into the pore system results in a 10-40 nm photonic bandgap (PBG) shift. Organic functions added to the pore surface change the response, permitting tailoring of the selectivity towards small-size molecules.
引用
收藏
页码：1247 / 1254
页数：8
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