首页|Modulating p-type doping of two-dimensional material palladium diselenide

Modulating p-type doping of two-dimensional material palladium diselenide

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The van der Waals heterostructures have evolved as novel materials for complementing the Si-based semiconductor technologies.Group-10 noble metal dichalcogenides(e.g.,PtS2,PtSe2,PdS2,and PdSe2)have been listed into two-dimensional(2D)materials toolkit to assemble van der Waals heterostructures.Among them,PdSe2 demonstrates advantages of high stability in air,high mobility,and wide tunable bandgap.However,the regulation of p-type doping of PdSe2 remains unsolved problem prior to fabricating p-n junction as a fundamental platform of semiconductor physics.Besides,a quantitative method for the controllable doping of PdSe2 is yet to be reported.In this study,the doping level of PdSe2 was correlated with the concentration of Lewis acids,for example,SnCl4,used for soaking.Considering the transfer characteristics,the threshold voltage(the gate voltage corresponding to the minimum drain current)increased after SnCl4 soaking treatment.PdSe2 transistors were soaked in SnCl4 solutions with five different concentrations.The threshold voltages from the as-obtained transfer curves were extracted for linear fitting to the threshold voltage versus doping concentration correlation equation.This study provides in-depth insights into the controllable p-type doping of PdSe2.It may also push forward the research of the regulation of conductivity behaviors of 2D materials.

two-dimensional(2D)materialsLewis acid treatmentp-type dopingfield-effect transistorstransfer characteristic

Jiali Yang、Yu Liu、En-Yang Wang、Jinbo Pang、Shirong Huang、Thomas Gemming、Jinshun Bi、Alicja Bachmatiuk、Hao Jia、Shu-Xian Hu、Chongyun Jiang、Hong Liu、Gianaurelio Cuniberti、Weijia Zhou、Mark H Rümmeli

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Institute for Advanced Interdisciplinary Research(iAIR),University of Jinan,Jinan 250022,China

State Key Lab of Transducer Technology,Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences,Shanghai 200050,China

College of Energy,Soochow Institute for Energy and Materials Innovations Soochow University,Suzhou 215006,China

Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province,Soochow University,Suzhou 215006,China

School of Mathematics and Physics,University of Science and Technology Beijing,Beijing 100083,China

Dresden Center for Computational Materials Science,Technische Universität Dresden,Dresden 01062,Germany

Dresden Center for Intelligent Materials(GCL DCIM),Technische Universität Dresden,Dresden 01062,Germany

Institute for Materials Science and Max Bergmann Center of Biomaterials,Technische Universität Dresden,Dresden 01069,Germany

Center for Advancing Electronics Dresden,Technische Universität Dresden,Dresden 01069,Germany

Institute for Materials Chemistry,Leibniz Institute for Solid State and Materials Research Dresden(IFW Dresden),20 Helmholtz Strasse,Dresden 01069,Germany

School of Integrated Circuits,University of Chinese Academy of Sciences,Beijing 101408,China

Institute of Microelectronics of Tianjin Binhai New Area,Tianjin 300451,China

Institute of Microelectronics,Chinese Academy of Sciences,Beijing 100029,China

Lukasiewicz Research Network,PORT Polish Center for Technology Development,Stablowicka 147,Wroclaw 54-066,Poland

College of electronic information and optical engineering,Nankai University,Tianjin 300350,China

State Key Laboratory of Crystal Materials,Center of Bio & Micro/Nano Functional Materials,Shandong University,Jinan 250100,China

Centre of Polymer and Carbon Materials,Polish Academy of Sciences,M.Curie Sklodowskiej 34,Zabrze 41-819,Polan

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Natural Science Foundation of Shandong Province for Excellent Young Scholarsfund from the State Key Laboratories of Transducer TechnologyShanghai Institute of Microsystem and Information Technology,Chinese Academy of SciencesNational Key Research and Development Program of ChinaNational Natural Science Foundation of ChinaMajor innovation project of Shandong ProvinceNational Natural Science Foundation of ChinaTaishan Scholars Project Special FundsFoundation of State Key Laboratory of Biobased Material and Green Papermaking,Qilu University of Technology,Shandong AcademyNational Natural Science Foundation of ChinaNational Science Center and the Czech Republic under the ERDF programSino-German Research InstituteNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaOpen Access funding enabled and organized by Projekt DEAL

ZR2022YQ41SKT22032022YFE0124200U22412212021CXGC01060352022037TSQN201812083GZKF20210752071225CZ.02.1.01/0.0/0.0/16_019/0000853GZ 14002197601422276013

2024

10.1007/s12274-023-6196-7

纳米研究(英文版)

纳米研究(英文版)

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ISSN：
年,卷(期)：2024.17(4)
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