%0 Journal Article %1 WOS:000232093400007 %A Barros, EB %A Souza, AG %A Lemos, V %A Mendes, J %A Fagan, SB %A Herbst, MH %A Rosolen, JM %A Luengo, CA %A Huber, JG %C THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND %D 2005 %I PERGAMON-ELSEVIER SCIENCE LTD %J CARBON %K Raman arc discharge; nanotubes; spectroscopy} {carbon %N 12 %P 2495-2500 %R 10.1016/j.carbon.2005.04.032 %T Charge transfer effects in acid treated single-wall carbon nanotubes %V 43 %X Single-wall carbon nanotubes (SWNTs) prepared by the arc discharge method were oxidized using nitric acid. The samples were analyzed by using Raman scattering and Fourier transformed infrared spectroscopy (FTIR). The FTIR results indicate the presence of -COOH acid groups in the treated samples. The up shifts observed in the radial breathing mode frequencies suggest that SWNTs behave as donors after the acid treatment, with charge transfer occurring from the nanotubes to the -COOH groups. Ab initio calculations of SWNTs interacting with -COOH acid groups support the charge transfer process from the nanotubes to the carboxyl groups. (C) 2005 Elsevier Ltd. All rights reserved.

@article{WOS:000232093400007, abstract = {Single-wall carbon nanotubes (SWNTs) prepared by the arc discharge method were oxidized using nitric acid. The samples were analyzed by using Raman scattering and Fourier transformed infrared spectroscopy (FTIR). The FTIR results indicate the presence of -COOH acid groups in the treated samples. The up shifts observed in the radial breathing mode frequencies suggest that SWNTs behave as donors after the acid treatment, with charge transfer occurring from the nanotubes to the -COOH groups. Ab initio calculations of SWNTs interacting with -COOH acid groups support the charge transfer process from the nanotubes to the carboxyl groups. (C) 2005 Elsevier Ltd. All rights reserved.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND}, author = {Barros, EB and Souza, AG and Lemos, V and Mendes, J and Fagan, SB and Herbst, MH and Rosolen, JM and Luengo, CA and Huber, JG}, biburl = {https://www.bibsonomy.org/bibtex/2c3b7810693353e93b380df80d33ddfa3/ppgfis_ufc_br}, doi = {10.1016/j.carbon.2005.04.032}, interhash = {d54afbee57b0f383d5d6a059cf1dad89}, intrahash = {c3b7810693353e93b380df80d33ddfa3}, issn = {0008-6223}, journal = {CARBON}, keywords = {Raman arc discharge; nanotubes; spectroscopy} {carbon}, number = 12, pages = {2495-2500}, publisher = {PERGAMON-ELSEVIER SCIENCE LTD}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {Charge transfer effects in acid treated single-wall carbon nanotubes}, tppubtype = {article}, volume = 43, year = 2005 }