DataVXACS Applied Materials & InterfacesPaper
journal article·2018-12-12

Guided Assembly of Block Copolymers in Three-Dimensional Woodpile Scaffolds

Jaewon Choi, Sangmo Koo, Ioanna Sakellari, Hyeyoung Kim, Zhengliang Su, Kenneth R. Carter, Maria Farsari, Costas P. Grigoropoulos, Thomas P. Russell

ACS Applied Materials & Interfaces· Volume 10· Issue 49
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Source abstract

Abstract

Three-dimensional (3D) nanofabrication using the directed self-assembly of block copolymers (BCPs) holds great promise for the nanoscale device fabrication and integration into 3D architectures over large areas with high element densities. In this work, a robust platform is developed for building 3D BCP architectures with tailored functionality using 3D micron-scale woodpile structures (WPSs), fabricated by a multiphoton polymerization technique. By completely filling the spaces of the WPSs and using the interactions of the blocks of the BCPs with the struts of the WPS, well-developed 3D nanoscopic morphologies are produced. Metal ion complexation with one block of the copolymer affords a convenient stain to highlight one of the microdomains of the copolymer for electron microscopy studies but also, with the reduction of the complexing salt to the corresponding metal, a simple strategy is shown to produce 3D constructs with nanoscopic domain resolution.
Source: openalex_inverted_index · Quality: baseline

Research context

PolymersNanomaterials

OpenAlex topics: Block Copolymer Self-Assembly · Machine Learning in Materials Science · Advanced Polymer Synthesis and Characterization

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Polymer Science and Engineering Department, University of Massachusetts Amherst, 120 Governors Drive, Amherst, Massachusetts 01003, United States

Laser Thermal Lab, Department of Mechanical Engineering, University of California Berkeley, Berkeley, California 94720, United States

Department of Mechanical Engineering, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea

Institute of Electronic Structure and Laser (IESL), Foundation of Research and Technology, Hellas (FORTH), Nikolaou Plastira 100, Heraklion 70013, Crete, Greece

Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, United States

Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Haoyang District North Third Ring Road 15, Beijing 100029, P. R. China

Funding

Samsung · National Science Foundation

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