14 Directional Synthesis of SnO 2 -Based Nanostructures for Use in Gas Sensors
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2926
3420
3400
3400
1640
1640
1561 1387
1065
1022
875
810
590
664
547
535
560
626
590
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1
Wavenumber, cm
-1
615
620
1630
2857
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4
2
3
Fig. 14.2 IR spectra of tin (IV) oxide samples: 1, TSnO 2 ; 2, S¨SnO 2 ; 3, SPSnO 2; 4, SBSnO 2 ; 5,
0D SnO 2
Fig. 14.3 TEM images of SnO 2 samples: 1, 1D SnO 2 ; 2, 0D SnO 2