journal article·2022-05-02

Hierarchical Confined Assembly of Bilayer Heterostructures with Programmable Patterns

Xin Fan, Bo Zhang, Jinjin Zhao, Yingjie Zhao, Meng Yuan, Yue Geng, Ke He, Hui Li, Jiangang Feng, Yue Fu, Yuchen Wu, Hanfei Gao, Lei Jiang

ACS Materials Letters· Volume 4· Issue 5
Publisher page

Abstract

Hierarchical heterostructures fabricated from several optoelectronic materials with different physical properties are the basis for the integration of multifunctional and high-performing micro/nanodevices. Compared with one-component systems, heterostructures with programmable geometries can effectively control device performance, integrate multiple functions, and generate specific applications. However, patterning high-quality hierarchical heterostructures still faces difficulties in regard to solution processing, such as the dissolution of prepared structures during multiple processes and the uncontrollable assembly behaviors of different materials. Here, we report a universal method for fabricating cross-stacked P3HT/MAPbBr3 heterostructure arrays with a large area, homogeneous size, precise position, long-range order, and pure crystallographic orientation. The controlled hierarchical dewetting processes are confined by capillary bridges in the sandwich-structured assembly system, yielding bilayer heterostructure arrays with programmable geometries and tunable positional relationships. Our strategy provides a new perspective for the fabrication of high-throughput and high-efficiency hierarchical heterostructures toward integrated optoelectronics.
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Research context

OpenAlex topics: Modular Robots and Swarm Intelligence · Advanced Sensor and Energy Harvesting Materials · Advanced Memory and Neural Computing

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Affiliations

Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China

University of Chinese Academy of Sciences (UCAS), Beijing 100049, P. R. China

Beijing Key Laboratory of Lightweight Multi-Functional Composite Materials and Structures, Institute of Advanced Structure Technology, Beijing Institute of Technology Beijing 100081, P. R. China

Key Laboratory for Special Functional Materials of Ministry of Education, National and Local Joint Engineering Research Center for High-Efficiency Display and Lighting Technology, Collaborative Innovation Center of Nano Functional Materials and Applications, Henan University, Kaifeng, Henan 475004, P. R. China

Department of Chemical and Biomolecular Sciences, National University of Singapore, Singapore 117585, Singapore

Ji Hua Laboratory, Foshan, Guangdong 528000, P. R. China

Funding

Ministry of Science and Technology of the People's Republic of China · Youth Innovation Promotion Association of the Chinese Academy of Sciences · National Natural Science Foundation of China

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