journal article·2019-06-28Open access

Multifunctional Photodetectors Based on Nanolayered Black Phosphorus/SnS0.5Se1.5 Heterostructures

Xin Luo, Bochong Wang, Wenxing Lv, Yan Wang, Weiming Lv, Zhongming Wei, Yuan Lu, Zhongyuan Liu, Zhihong Lu, Rui Xiong, Zhongming Zeng

ACS Applied Nano Materials· Volume 2· Issue 6

Abstract

van der Waals (vdW) heterostructures have recently emerged as promising artificial structures to create new functionalities for nano- and optoelectronic applications. In this work, we successfully fabricate BP/SnS0.5Se1.5 vdW heterostructures and systematically study their electronic and photoresponsive properties. An unusual gate-tuned photoresponse characteristic is found. At the negative gate range, a positive photocurrent response is achieved, while a negative photocurrent response appears when a sweeping positive gate is applied. In addition, the photocurrent response can also be tuned by the channel length of each semiconductor in the heterostructure. The photodetector based on BP/SnS0.5Se1.5 vdW heterostructures has combined both advantages of BP and SnS0.5Se1.5 to realize both high photoresponse sensitivity and sign tuning ability. This device demonstrates promising potential in future multifunctional electronic and optoelectronic applications.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: 2D Materials and Applications · Perovskite Materials and Applications · Chalcogenide Semiconductor Thin Films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Artificial Micro- and Nanostructures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan 430072, People’s Republic of China

Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, People’s Republic of China

Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China

State Key Laboratory of Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences & College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100083, China

Institut Jean Lamour, UMR 7198, CNRS, Université de Lorraine, Campus ARTEM, 2 Allée André Guinier, BP 50840, Nancy 54011, France

The State Key Laboratory of Refractories and Metallurgy, School of Materials and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, People’s Republic of China

Funding

Ministry of Science and Technology of the People's Republic of China · China Postdoctoral Science Foundation · Minist?re de l'Education Nationale, de l'Enseignement Sup?rieur et de la Recherche · China Scholarship Council · Ministero degli Affari Esteri e della Cooperazione Internazionale · National Natural Science Foundation of China · Minist?re de l'Europe et des Affaires ?trang?res

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