Nano-Micro Letters

Two-Dimensional Tellurium: Progress, Challenges, and Prospects

Zhe Shi1, , Rui Cao1, , Karim Khan1, 3, Ayesha Khan Tareen1, Xiaosong Liu1, Weiyuan Liang1, Ye Zhang1, Chunyang Ma1, Zhinan Guo1, *, Xiaoling Luo2, *, Han Zhang1, *

Abstract
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Nano-Micro Lett. (2020) 12: 99

First Online: 21 April 2020 (Review)

DOI:10.1007/s40820-020-00427-z

*Corresponding author. E-mail: guozhinan@szu.edu.cn (Zhinan Guo), LXL2603@vip.sina.com (Xiaoling Luo), hzhang@szu.edu.cn (Han Zhang)

 

Abstract

 


Toc

Since the successful fabrication of two-dimensional (2D) Tellurium (Te) in 2017, its fascinating properties including a thickness dependence band-gap, environmental stability, piezoelectric effect, high carrier mobility, and photo-response among others, show great potential for various applications. These include photo-detectors, field-effect transistors (FETs), piezoelectric devices, modulators, and energy harvesting devices. However, as a new member of the 2D material family, much less known is about 2D Te compared to other 2D materials. Motivated by this lack of knowledge, we review the recent progress of research into 2D Te nanoflakes. Firstly, we introduce the background and motivation of this review. Then, the crystal structures and synthesis methods are presented, followed by an introduction to their physical properties and applications. Finally, the challenges and further development directions are summarized. We believe that milestone investigations of 2D Te nanoflakes will emerged soon, which will bring about great industrial revelations in 2D materials-based nanodevice commercialization.


 

Keywords

2D materials, Tellurium, Photodetectors, Solar cells, Energy harvesting, Logic gate and circuits

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