journal article·2017-02-14

Sodium-Induced Reordering of Atomic Stacks in Black Phosphorus

Yingchun Cheng, Yihan Zhu, Yu Han, Zhongyuan Liu, Bingchao Yang, Anmin Nie, Wei Huang, Reza Shahbazian-Yassar, Farzad Mashayek

Chemistry of Materials· Volume 29· Issue 3
Publisher page

Abstract

While theoretical simulations predict contradictory results about how the intercalation of foreign metal atoms affects the order of atomic layers in black phosphorus (BP), no direct experimental visualization work has yet clarified this ambiguity. By in situ electrochemical sodiation of BP inside a high-resolution transmission electron microscope and first-principles calculations, we found that sodium intercalation induces a relative glide of 1 / 2 ⟨010⟩ {001}, resulting in reordering of atomic stacks from AB to AC in BP. The observed local amorphization in our experiments is triggered by lattice constraints. We predict that intercalation of sodium or other metal atoms introduces n-type carriers in BP. This potentially opens a new field for two-dimensional electronics based on BP.
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Research context

OpenAlex topics: 2D Materials and Applications · MXene and MAX Phase Materials · Graphene research and applications

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Affiliations

Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China

Mechanical and Industrial Engineering Department, University of Illinois at Chicago, Chicago, Illinois 60607, United States

Advanced Membranes and Porous Materials Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia

State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China

Shanghai University Materials Genome Institute and Shanghai Materials Genome Institute, Shanghai University, Shanghai 200444, China

Funding

Ministry of Science and Technology of the People's Republic of China · King Abdullah University of Science and Technology · Shanghai Municipal Education Commission · Division of Civil, Mechanical and Manufacturing Innovation · National Natural Science Foundation of China · Synergetic Innovation Center for Organic Electronics and Information Displays, Nanjing University of Posts and Telecommunications · Shanghai Youth Talent Program

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