DataVXAdvanced Materials InterfacesPaper
journal article·2021-01

Self‐Assembly of Colloidal Nanoparticles into Well‐Ordered Centimeter‐Long Rods via Crack Engineering

Jingli Xie, Junchang Guo, Dehui Wang, Yu Cang, Wenluan Zhang, Jiajia Zhou, Bo Peng, Yanbo Li, Jiaxi Cui, Longquan Chen, George Fytas, Xu Deng

Advanced Materials Interfaces· Volume 8· Issue 2
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Source abstract

Abstract

Abstract Self‐assembly of colloidal nanoparticles (NPs) is widely employed in nanofabrication to have regulated shape with fascinating functions. However, to have a specific desired shape at centimeter‐scale without template is challenging. Herein, by harnessing the colloidal nanoparticle thin film crack engineering, robust and highly transparent centimeter‐scale rods with uniform width and thickness are obtained. The dimension of these rods can be tailored via controlling the solvent composition, NPs volume fraction, and suspension descending rate. Their mechanical stiffness and elastic properties can be further improved by thermal annealing. It is demonstrated that these rods can be used as probes for surface enhanced Raman scattering detection making use of their rich nanostructured surface. This crack engineering strategy can be used as a universal method to assemble the nanoscale colloids into centimeter‐scale rods for analytical and photoelectrical applications.
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Research context

NanomaterialsMaterials processing

OpenAlex topics: Pickering emulsions and particle stabilization · Photonic Crystals and Applications · Gold and Silver Nanoparticles Synthesis and Applications

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

Affiliations

Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of China Chengdu 610054 China

Max Planck Institute for Polymer Research Ackermannweg 10 Mainz 55128 Germany

School of Automation Engineering University of Electronic Science and Technology of China Chengdu 611731 China

Center of Soft Matter Physics and Its Application Beihang University Beijing 100191 China

School of Electronic Science and Engineering University of Electronic Science and Technology of China Chengdu 610054 China

School of Physics University of Electronic Science and Technology of China Chengdu 610054 China

Funding

National Natural Science Foundation of China · European Research Council

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