1 Correction to: Nano Convergence (2018) 5:28 https://doi.org/10.1186/s40580-018-0161-2

After publication of this article [1], the author noticed there are some conversion errors with the below characters and units in the article body text. The corrections are detailed below:

  1. 1)

    ‘pTAS’ should be ‘µTAS’

  2. 2)

    ‘pm’ should be ‘µm’

We apologize for the inconvenience caused.