Optically active defects improve carbon nanotubes: Scientists achieve defect control with a new reaction pathway

The properties of carbon-based nanomaterials can be altered and engineered through the deliberate introduction of certain structural "imperfections" or defects. The challenge, however, is to control the number and type of these defects. In the case of carbon nanotubes -- microscopically small tubular compounds that emit light in the near-infrared -- chemists and materials scientists…
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