3D nanofabrication by volumetric deposition and controlled shrinkage of patterned scaffolds

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  • Daniel Oran
    MIT Media Lab, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Samuel G. Rodriques
    MIT Media Lab, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Ruixuan Gao
    MIT Media Lab, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Shoh Asano
    MIT Media Lab, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Mark A. Skylar-Scott
    John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.
  • Fei Chen
    MIT Media Lab, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Paul W. Tillberg
    MIT Media Lab, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Adam H. Marblestone
    MIT Media Lab, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
  • Edward S. Boyden
    MIT Media Lab, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

Description

<jats:title>Shrinking problems in 3D printing</jats:title> <jats:p> Although a range of materials can now be fabricated using additive manufacturing techniques, these usually involve assembly of a series of stacked layers, which restricts three-dimensional (3D) geometry. Oran <jats:italic>et al.</jats:italic> developed a method to print a range of materials, including metals and semiconductors, inside a gel scaffold (see the Perspective by Long and Williams). When the hydrogels were dehydrated, they shrunk 10-fold, which pushed the feature sizes down to the nanoscale. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6420" page="1281" related-article-type="in-this-issue" vol="362" xlink:href="10.1126/science.aau5119">1281</jats:related-article> ; see also p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6420" page="1244" related-article-type="in-this-issue" vol="362" xlink:href="10.1126/science.aav5712">1244</jats:related-article> </jats:p>

Journal

  • Science

    Science 362 (6420), 1281-1285, 2018-12-14

    American Association for the Advancement of Science (AAAS)

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