Volume 95 Issue 31 | p. 10 | Concentrates
Issue Date: July 31, 2017

Photolithography method creates complex patterns using inorganic nanocrystals as colorful inks

Procedure leads to patterned thin films of metals, semiconductors, and oxides without the need for organic photoresists
Department: Science & Technology
News Channels: Materials SCENE, Nano SCENE
Keywords: nanomaterials, inorganic chemistry, lithography, photolithography

Controlling the surface chemistry of inorganic nanocrystals, also known as quantum dots, has enabled researchers to devise a photolithography process for making all-inorganic patterned thin films. Unlike conventional lithography, the new technique requires no polymeric photoresists. The method, which requires fewer steps and could reduce fabrication costs for electronics, has been applied to metal, semiconductor, magnetic, and oxide nanocrystals (Science 2017, DOI: 10.1126/science.aan2958). Conventional lithography provides electronics . . .

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