Experimentally Determined Redox Potentials of Individual (n,m) Single-Walled Carbon Nanotubes


  • We thank Prof. Mildred S. Dresselhaus of Massachussets Institute of Technology for her consideration and comments on this paper, and Professors F. M. Hawkridge of Virginia Commonwealth University and T. Sagara of Nagasaki University for helpful discussions. This work was supported by a Grant-in-Aid for Scientific Research (A) (No.17205014 for N.N.), Priority Areas “Super-Hierarchical Structures” (No.19022030 for N.N.) and “Carbon Nanotube Nanoelectronics” (No. 19054005 for S.S.), the Global COE Program “Science for Future Molecular Systems” (Kyushu University) and “Nanoscience and Quantum Physics” (Tokyo Institute of Technology), and Nanotechnology Network Project (Kyushu-area Nanotechnology Network) from the Ministry of Education, Culture, Sports, Science and Technology (Japan).


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Nanotubes reveal their potential: The fabrication of a thin film that retains isolated single-walled nanotubes (SWNTs) allows the experimental determination of the redox potentials of many individual SWNTs that have different chirality indexes (n,m). The method is simple and applicable to all individual SWNTs whose near-IR photoluminescence (PL) is detectable (see picture).