journal article·2020-01-14

Silica Nanocapsules with Unusual Shapes Accessed by Simultaneous Growth of the Template and Silica Nanostructure

Chaoran Li, Jinpan Zhang, Shenghua Wang, Zhijie Zhu, Haiyan Li, Ao-Bo Xu, Yingying Yu, Xiao Wang, Jie Yao, Liwei Wang, Alexander A. Solovev, Le He

Chemistry of Materials· Volume 32· Issue 1
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Abstract

It is widely accepted that templated methods produce nanostructures whose morphologies are defined by preformed templates. Inspired by mutualism in biological systems, here we challenge this general impression by developing a mutual-template concept based on the simultaneous growth of template and target materials. This mutual-template strategy is not limited by preformed templates and enables the preparation of nanostructures with unusual morphologies. As a proof-of-concept, this strategy is demonstrated in the controlled growth of unusual silica nanocapsules with abundant morphologies, structures, and functionalities. We further demonstrate the postencapsulation of functional nanoparticles within the inner cavity of open-mouthed nanocapsules, providing a new model system of nanomotors for the fundamental understanding of motion mechanisms. This study paves the way for the preparation of nanostructures with unusual morphologies that are usually difficult to obtain, bringing new opportunities for applications in self-assembly, nanoreactors, nanomotors, and drug delivery.
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Research context

OpenAlex topics: Micro and Nano Robotics · Pickering emulsions and particle stabilization · Supramolecular Self-Assembly in Materials

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

Affiliations

Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China

School of Computer Science & Technology, Soochow University, Suzhou, Jiangsu 215006, China

Department of Chemistry, The University of Western Ontario, London, Ontario N6A 3K7, Canada

School of Marine Sciences, Guangxi University, Nanning, Guangxi 530004, China

Department of Materials Science, Fudan University, Shanghai 200433, China

Funding

State Administration of Foreign Experts Affairs · Collaborative Innovation Center of Suzhou Nano Science and Technology · Ministry of Education of the People's Republic of China · China Postdoctoral Science Foundation · Natural Science Foundation of Jiangsu Province · National Natural Science Foundation of China · Priority Academic Program Development of Jiangsu Higher Education Institutions

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