|About this Abstract
||2020 TMS Annual Meeting & Exhibition
||Functional Nanomaterials 2020: Translating Innovation into Pioneering Technologies
||Electrically Functional Three-dimensional ZnO Nanomesh Architectures Directly Derived from Vapor-phase Infiltration of ZnO in Hierarchically Self-assembled Block Copolymer Thin Film Templates
||Ashwanth Subramanian, Gregory Doerk, Kim Kisslinger, Daniel Yi, Robert B. Grubbs, Chang-Yong Nam
|On-Site Speaker (Planned)
Three-dimensional (3D) nanoarchitectures offer superior material properties, such as large specific surface areas critical for technological applications like catalysis and sensing. Here, we demonstrate optoelectrically functional 3D ZnO nanomesh architectures generated by combining successive self-assembly of block copolymer (BCP) thin films and the ZnO infiltration synthesis, an inorganic-organic hybridization technique derived from atomic layer deposition (ALD). The 3D ZnO nanomesh exhibited optoelectrical functionality, featuring stack-layer-number-dependent electrical conductance resembling the percolative transport originating from the intrinsic morphological network connectivity of lamellar BCP pattern. Detailed studies on infiltration protocols and foreign atom doping revealed the importance of precursor-polymer binding interaction and retarding the grain agglomeration for enabling high-fidelity generation of 3D nanoarchitectures. The results not only demonstrate the electrical functionality based on the ZnO nanoarchitecture generated by self-assembled BCP templates but also present a new, large-area scalable, metal oxide 3D nanoarchitecture fabrication method utilizing facile polymer solution coating and ALD processing.
||Planned: Supplemental Proceedings volume