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Indian Journal of Pure & Applied Physics (IJPAP) >
IJPAP Vol.42 [2004] >
IJPAP Vol.42(08) [August 2004] >
| Title: | Infrared spectra of charge transfer complexes of bis(N-phenylsalicylaldiminato) CuII |
| Authors: | Prajapati, J H
Patel, S G
Oza, A T |
| Keywords: | Charge transfer complexes
Pierls semiconductor
Salicylaldiminato
Infrared spectra
Optical conductivity
Infrared spectra
Band assignment |
| Issue Date: | Aug-2004 |
| Publisher: | CSIR |
| IPC Code: | G01N 30/96 |
| Abstract: | The charge transfer complexes of
bis(N-phenylsalicylaldiminato) CuII with
organic acceptors like TCNQ, TCNE, TNF, DDQ, chloranil, and iodine are prepared
and studied with Fourier transform infrared spectroscopy. The spectrum of the
donor chelate shows systematic steps in transmission above 2500 cm-1,
which are analyzed by its first-derivative. Fine structure is also seen
pronounced in the charge transfer complexes. Two or three electronic absorption
envelopes are identified in all the complexes. The nature of transitions
(whether direct or indirect), band tailing effects and free-carrier absorption
are also analyzed. TNF complex shows free-carrier absorptions in a very wide
range above 1800 cm-1. |
| Page(s): | 572-580 |
| ISSN: | 0975-1041 (Online); 0019-5596 (Print) |
| Source: | IJPAP Vol.42(08) [August 2004]
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