Length-dependent band-gap shift of TiO32- molecular wires embedded in zeolite ETS-10

被引:38
作者
Jeong, Nak Cheon
Lee, Myoung Hee
Yoon, Kyung Byung [1 ]
机构
[1] Sogang Univ, Dept Chem, Ctr Microcrystal Assembly, Ctr Nanoporous Mat, Seoul 121742, South Korea
[2] Sogang Univ, Dept Chem, Program Integrated Biotechnol, Seoul 121742, South Korea
关键词
electronic properties; molecular wires; zeolites;
D O I
10.1002/anie.200701676
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Figure Presented) Mind the gap! The titanosilicate zeolite ETS-10 contains TiO32- molecular wires (see picture). A reliable method has been developed to synthesize high-quality ETS-10 crystals of various sizes. Measurements on the crystals allow the dependence of the band-gap energy on the length of the TiO32- wires to be elucidated. © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:5868 / 5872
页数:5
相关论文
共 34 条
[11]   Vibrational spectroscopic evidence for the presence of TiO6 structural units in titanosilicate molecular sieve ETS-10 [J].
Hong, SB ;
Kim, SJ ;
Uh, YS .
KOREAN JOURNAL OF CHEMICAL ENGINEERING, 1996, 13 (04) :419-421
[12]   Logic gates and computation from assembled nanowire building blocks [J].
Huang, Y ;
Duan, XF ;
Cui, Y ;
Lauhon, LJ ;
Kim, KH ;
Lieber, CM .
SCIENCE, 2001, 294 (5545) :1313-1317
[13]   Oriented molecular sieve membranes by heteroepitaxial growth [J].
Jeong, HK ;
Krohn, J ;
Sujaoti, K ;
Tsapatsis, M .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2002, 124 (44) :12966-12968
[14]   Synthesis and size-dependent properties of zinc-blende semiconductor quantum rods [J].
Kan, S ;
Mokari, T ;
Rothenberg, E ;
Banin, U .
NATURE MATERIALS, 2003, 2 (03) :155-158
[15]   WANNIER EXCITONS IN LOW-DIMENSIONAL MICROSTRUCTURES - SHAPE DEPENDENCE OF THE QUANTUM SIZE EFFECT [J].
KAYANUMA, Y .
PHYSICAL REVIEW B, 1991, 44 (23) :13085-13088
[16]   Effects of ion exchange on the structure of ETS-10 [J].
Krisnandi, YK ;
Lachowski, EE ;
Howe, RF .
CHEMISTRY OF MATERIALS, 2006, 18 (04) :928-933
[18]   Band gap variation of size- and shape-controlled colloidal CdSe quantum rods [J].
Li, LS ;
Hu, JT ;
Yang, WD ;
Alivisatos, AP .
NANO LETTERS, 2001, 1 (07) :349-351
[19]   Photodegradation of methylene blue using crystalline titanosilicate quantum-confined semiconductor [J].
Luca, Vittorio ;
Osborne, Michael ;
Sizgek, Devlet ;
Griffith, Christopher ;
Araujo, Paula Z. .
CHEMISTRY OF MATERIALS, 2006, 18 (26) :6132-6138
[20]   Characterization of titanium dioxide nanoparticles using molecular dynamics simulations [J].
Naicker, PK ;
Cummings, PT ;
Zhang, HZ ;
Banfield, JF .
JOURNAL OF PHYSICAL CHEMISTRY B, 2005, 109 (32) :15243-15249