Nanopatterned articles produced using surface-reconstructed block copolymer films
Patent
·
OSTI ID:1256017
Nanopatterned surfaces are prepared by a method that includes forming a block copolymer film on a substrate, annealing and surface reconstructing the block copolymer film to create an array of cylindrical voids, depositing a metal on the surface-reconstructed block copolymer film, and heating the metal-coated block copolymer film to redistribute at least some of the metal into the cylindrical voids. When very thin metal layers and low heating temperatures are used, metal nanodots can be formed. When thicker metal layers and higher heating temperatures are used, the resulting metal structure includes nanoring-shaped voids. The nanopatterned surfaces can be transferred to the underlying substrates via etching, or used to prepare nanodot- or nanoring-decorated substrate surfaces.
- Research Organization:
- THE UNIVERSITY OF MASSACHUSETTS, Boston, MA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FG02-96ER45612
- Assignee:
- THE UNIVERSITY OF MASSACHUSETTS (Boston, MA)
- Patent Number(s):
- 9,358,750
- Application Number:
- 13/944,329
- OSTI ID:
- 1256017
- Country of Publication:
- United States
- Language:
- English
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