Romanos GE, Likodimos V, Marques RRN, Steriotis TA, Papageorgiou SK, Faria JL, Figueiredo JL, Silva AMT, Falaras P. Controlling and quantifying oxygen functionalities on hydrothermally and thermally treated single-wall carbon nanotubes. Journal of Physical Chemistry C [Internet]. 2011;115:8534-8546.