Open AccessCovalent functionalization and characterization of Single-walled carbon nanotubes with Cu (II) complexes of meso-tetra(4-aminophenyl)porphyrin
Author(s) -
Vyshnavi T. Veetil,
G. Prabhavathi,
R. Yamuna
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/577/1/012091
Subject(s) - hypsochromic shift , surface modification , covalent bond , porphyrin , chromophore , carbon nanotube , chemistry , tetra , polymer chemistry , photochemistry , materials science , organic chemistry , nanotechnology , fluorescence , medicinal chemistry , physics , quantum mechanics
5,10,15,20-tetra(4-aminophenyl)porphyrinatocopper(II) [CuTAP] was covalently linked via amide bond with SWCNTs. Notable changes in the FT-IR spectra reveal the covalent linking of the porphyrin chromophore with SWCNTs. Further, covalent functionalization was confirmed by the hypsochromic shift of this nano-hybrid in the UV-visible spectra as compared to that of pristine CuTAP. 38 % weight loss observed in the TGA due to the extent of Cu-TAP functionalization. Morphology study of this nano-hybrid reveals the tubular structure, which is retained even after covalent functionalization. SWCNT-CuTAP nano-hybrid shows the hypsochromic shift and hypochromic shift compared to reported TAP or Zn-TAP due to Cu metal ion substitution.