Photocurrent spectroscopy of (n, m) sorted solution-processed single-walled carbon nanotubes

Michael Engel, Katherine Moore, Asiful Alam, Simone Dehm, Ralph Krupke, Benjamin Flavel

    Research output: Contribution to journalArticlepeer-review

    14 Citations (Scopus)

    Abstract

    Variable-wavelength photocurrent microscopy and photocurrent spectroscopy are used to study the photoresponse of (n, m) sorted single-walled carbon nanotube (SWNT) devices. The measurements of (n, m) pure SWCNT devices demonstrate the ability to study the wavelength-dependent photoresponse in situ in a device configuration and deliver photocurrent spectra that reflect the population of the source material. Furthermore, we show that it is possible to map and determine the chirality population within a working optoelectronic SWCNT device. (Figure Presented).

    Original languageEnglish
    Pages (from-to)9324-9331
    Number of pages8
    JournalACS Nano
    Volume8
    Issue number9
    DOIs
    Publication statusPublished - 23 Sep 2014

    Keywords

    • carbon nanotube
    • chirality sorted
    • spectrally resolved photocurrent
    • supercontinuum light source

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