Direct measurement of the singlet oxygen lifetime in zeolites by near-IR phosphorescence

被引:37
作者
Jockusch, S
Sivaguru, J
Turro, NJ
Ramamurthy, V
机构
[1] Columbia Univ, Dept Chem, New York, NY 10027 USA
[2] Univ Miami, Dept Chem, Coral Gables, FL 33124 USA
关键词
D O I
10.1039/b501701g
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Time-resolved near-IR phosphorescence spectroscopy was employed to determine the lifetime of singlet oxygen in Y-zeolites and porous silica and it was found to depend strongly on the alumina content of the zeolite.
引用
收藏
页码:403 / 405
页数:3
相关论文
共 19 条
[1]  
Breck D.W., 1984, Zeolite molecular sieves
[2]  
Clennan E.L., 2003, MOL SUPRAMOLECULAR P, V9, P275
[3]   Intrazeolite photooxidations of electron-poor alkenes [J].
Clennan, EL ;
Sram, JP ;
Pace, A ;
Vincer, K ;
White, S .
JOURNAL OF ORGANIC CHEMISTRY, 2002, 67 (11) :3975-3978
[4]  
Dyer A., 1988, INTRO ZEOLITE MOL SI
[5]  
Flanigen E.M., 1991, Introduction to zeolite science and practice, V2nd
[6]   QUENCHING OF SINGLET MOLECULAR-OXYGEN (1-DELTA-GO2) IN SILICA-GEL SOLVENT HETEROGENEOUS SYSTEM .2. A DIRECT TIME-RESOLVED STUDY [J].
IU, KK ;
THOMAS, JK .
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 1993, 71 (01) :55-60
[7]   QUENCHING OF SINGLET MOLECULAR-OXYGEN (1-DELTA-GO2) IN SILICA-GEL CYCLOHEXANE HETEROGENEOUS SYSTEMS - A DIRECT TIME-RESOLVED STUDY [J].
IU, KK ;
THOMAS, JK .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1990, 112 (09) :3319-3325
[8]   DIRECT SPECTROSCOPIC OBSERVATION OF SINGLET OXYGEN EMISSION AT 1268-NM EXCITED BY SENSITIZING DYES OF BIOLOGICAL INTEREST IN LIQUID SOLUTION [J].
KHAN, AU ;
KASHA, M .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1979, 76 (12) :6047-6049
[9]   Selective oxidation of olefins within organic dye cation-exchanged zeolites [J].
Li, XY ;
Ramamurthy, V .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1996, 118 (43) :10666-10667
[10]   A new experimental protocol for intrazeolite photooxidations. The first product-based estimate of an upper limit for the intrazeolite singlet oxygen lifetime [J].
Pace, A ;
Clennan, EL .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2002, 124 (38) :11236-11237