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Photoluminescence (PL) measurements of porphyrin-doped single-walled carbon nanotubes (SWCNTs) were performed in sodium dodecylbenzenesulfonate (NaDDBS) aqueous dispersions. PL spectra were used to draw PL maps in which maxima correspond to absorption–emission excitonic processes related to (E11, E22) first Van Hove singularities of the SWCNT electronic structure. The influence of the net charge of...
Porphyrin-doped carbon nanotubes in sodium dodecylbenzenesulfonate (NaDDBS) aqueous solution were obtained from NaDDBS/carbon nanotube aqueous dispersions. Several phonon-assisted absorption and recombination processes seem to occur, including one-phonon and two-phonon processes, and remain present even upon porphyrin doping. Power-law scaling of exciton binding energies and environmental dielectric...
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