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The fabrication of three‐dimensional metal structures has been a challenging task because of the need for multiple re‐alignment and lithography steps. On page 6013, this challenge is addressed by Z. J. Zheng and co‐workers, who report for the first time the use of 3D polymer brushes as an easy‐make resist to fabricate large‐area 3D gold structures in ambient conditions.
3D polymer brushes are reported for the first time as ideal resists for the alignment‐free nanofabrication of complex 3D metal structures with sub‐100 nm lateral resolution and sub‐10 nm vertical resolution. Since 3D polymer brushes can be serially fabricated in parallel, this method is effective to generate arbitrary 3D metal structures over a large area at a high throughput.
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