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Controlling the Size and Pattern Pitch of Ni(OH)2 Nanoclusters Using Dip-Pen Nanolithography to Improve Water
Zorik Shamish1,2, Moshe Zohar3, Dror Shamir2
1Department of Chemical Engineering, Shamoon College of Engineering, P.O. Box 950, Beer-Sheva 8410802, Israel.
Abstract:
We use dip-pen nanolithography to accurately pattern Ni(OH)2 nanoclusters on a metachemical surface with an exceptionally large surface area. The distance between the nanoclusters can be manipulated to control the oxygen-evolution reaction current and overpotential, thereby improving the efficiency of the water-splitting process while using minute amounts of the catalyst.
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