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Surface‐enhanced resonance Raman scattering of a NO 2 ‐bisphthalocyanine adduct in Langmuir‐Blodgett monolayers
Author(s) -
Souto J.,
Aroca R.,
Desaja J. A.
Publication year - 1991
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1250221210
Subject(s) - monolayer , langmuir–blodgett film , raman scattering , raman spectroscopy , chemistry , adduct , resonance (particle physics) , analytical chemistry (journal) , dysprosium , absorption spectroscopy , langmuir , absorption (acoustics) , photochemistry , crystallography , materials science , inorganic chemistry , organic chemistry , adsorption , optics , atomic physics , biochemistry , physics , composite material
Langmuir‐Blodgett (LB) monolayers of dysprosium and holmium bisphthalocyanine complexes (DyPc 2 and HoPc 2 ) were prepared at 10°C and transferred to glass slides coated with gold island films. Surface‐enhanced resonance Raman scattering (SERRS), and visible absorption spectrometry were used to monitor the interaction between the LB monolayer and NO x (NO 2 ‐N 2 O 4 ) gas. It is shown that the absorption and inelastic scattering spectra of LB are sensitive tools to monitor the interaction between the MPc 2 molecule and the NO 2 , allowing the spectral properties of the adduct formed by chemisroption to be determined.