Implementing Lateral MoSe2 P-N Homojunction by Efficient Carrier-Type Modulation

ACS Applied Materials & Interfaces
Shuangqing FanJing Liu

Abstract

High-performance p-n junctions based on atomically thin two-dimensional (2D) materials are the fundamental building blocks for many nanoscale functional devices that are ideal for future electronic and optoelectronic applications. The lateral p-n homojunctions with conveniently tunable band offset outperform vertically stacked ones, however, the realization of lateral p-n homojunctions usually require efficient carrier-type modulation in a single 2D material flake, which remains a tech challenge. In this work, we have realized effective carrier-type modulation in a single MoSe2 flake, and thus, a lateral MoSe2 p-n homojunction is achieved by sequential treatment of air rapid thermal annealing and triphenylphosphine (PPh3) solution coating. The rapid thermal annealing modulates MoSe2 flakes from naturally n-type doping to degenerated p-type doping and improves the hole mobility of the MoSe2 field effect transistors from 0.2 to 71.5 cm2·V-1·s-1. Meanwhile, the n-doping of MoSe2 is increased by drop-coating PPh3 solution on the MoSe2 surface with increased electron mobility from 78.6 to 412.8 cm2·V-1·s-1. The as-fabricated lateral MoSe2 p-n homojunction presents a high rectification ratio of 104, an ideality factor of 1.2, and enh...Continue Reading

References

Aug 7, 2012·Physical Review Letters·Hannu-Pekka KomsaArkady V Krasheninnikov
May 29, 2014·Physical Chemistry Chemical Physics : PCCP·Charlie TsaiJens K Nørskov
Aug 12, 2015·The Journal of Physical Chemistry Letters·Chun-Peng YangYu-Guo Guo
Aug 22, 2015·Advanced Materials·Youngjo JinYoung Hee Lee
Nov 26, 2015·Scientific Reports·Dahyun NamHyeonsik Cheong
Jan 23, 2016·Physical Chemistry Chemical Physics : PCCP·Shunfeng WangGoki Eda
Aug 29, 2017·Advanced Materials·Deshun QuWon Jong Yoo
Nov 28, 2017·Nanotechnology·Xiaoshuang ChenWenping Hu

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Citations

Aug 15, 2019·Chemical Society Reviews·Jizhou JiangAndrew T S Wee
Mar 5, 2020·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Wugang LiaoHan Zhang
Mar 2, 2021·Advanced Materials·Fakun WangTianyou Zhai
Apr 9, 2021·ACS Applied Materials & Interfaces·Won Tae KangWoo Jong Yu
Nov 7, 2018·ACS Applied Materials & Interfaces·Shuangqing FanJing Liu
Oct 30, 2021·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Hao ChangPing Qian

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