Functional nanoporous graphene superlattice

Hualiang Lv, Yuxing Yao, Mingyue Yuan, Guanyu Chen, Yuchao Wang, Longjun Rao, Shucong Li, Ufuoma I. Kara, Robert L. Dupont, Cheng Zhang (), Boyuan Chen, Bo Liu, Xiaodi Zhou, Renbing Wu (), Solomon Adera, Renchao Che (), Xingcai Zhang () and Xiaoguang Wang ()
Additional contact information
Hualiang Lv: The Ohio State University
Yuxing Yao: Harvard University
Mingyue Yuan: Fudan University
Guanyu Chen: Fudan University
Yuchao Wang: Fudan University
Longjun Rao: Fudan University
Shucong Li: Harvard University
Ufuoma I. Kara: The Ohio State University
Robert L. Dupont: The Ohio State University
Cheng Zhang: Key Laboratory of Materials for High-Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences
Boyuan Chen: The Ohio State University
Bo Liu: Hunan University
Xiaodi Zhou: The Ohio State University
Renbing Wu: Fudan University
Solomon Adera: University of Michigan
Renchao Che: Fudan University
Xingcai Zhang: Harvard University
Xiaoguang Wang: The Ohio State University

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract Two-dimensional (2D) superlattices, formed by stacking sublattices of 2D materials, have emerged as a powerful platform for tailoring and enhancing material properties beyond their intrinsic characteristics. However, conventional synthesis methods are limited to pristine 2D material sublattices, posing a significant practical challenge when it comes to stacking chemically modified sublattices. Here we report a chemical synthesis method that overcomes this challenge by creating a unique 2D graphene superlattice, stacking graphene sublattices with monodisperse, nanometer-sized, square-shaped pores and strategically doped elements at the pore edges. The resulting graphene superlattice exhibits remarkable correlations between quantum phases at both the electron and phonon levels, leading to diverse functionalities, such as electromagnetic shielding, energy harvesting, optoelectronics, and thermoelectrics. Overall, our findings not only provide chemical design principles for synthesizing and understanding functional 2D superlattices but also expand their enhanced functionality and extensive application potential compared to their pristine counterparts.

Date: 2024
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DOI: 10.1038/s41467-024-45503-9

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