Synthesis of Fibrous Phosphorus Micropillar Arrays with Pyro-Phototronic Effects

Shuai Zhang; Shufang Ma; Ben Cao; Qiandong Zhuang; Yang Xu; Jiahui Wang; Xishuo Zhang; Xiaoye Nan; Xiaodong Hao; Bingshe Xu

doi:10.1002/anie.202217127

Synthesis of Fibrous Phosphorus Micropillar Arrays with Pyro-Phototronic Effects

Angew Chem Int Ed Engl. 2023 Jan 23;62(4):e202217127. doi: 10.1002/anie.202217127. Epub 2022 Dec 20.

Authors

Shuai Zhang^{1

2}, Shufang Ma¹, Ben Cao³, Qiandong Zhuang⁴, Yang Xu⁵, Jiahui Wang^{1

2}, Xishuo Zhang^{1

2}, Xiaoye Nan², Xiaodong Hao¹, Bingshe Xu^{1

5}

Affiliations

¹ Materials Institute of Atomic and Molecular Science, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, China.
² School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, China.
³ State Key Laboratory of Luminescent Materials and Devices, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China.
⁴ Semiconductor Physics & Nanostrucutres Physics Department, Lancaster University, Lancaster, LA1 4YB, UK.
⁵ Key Laboratory of Interface Science and Engineering in Advanced Materials of Ministry of Education, Taiyuan University of Technology, Taiyuan, Shanxi, 030024, China.

PMID: 36458422
DOI: 10.1002/anie.202217127

Abstract

The bottom-up preparation of two-dimensional material micro-nano structures at scale facilitates the realisation of integrated applications in optoelectronic devices. Fibrous Phosphorus (FP), an allotrope of black phosphorus (BP), is one of the most promising candidate materials in the field of optoelectronics with its unique crystal structure and properties.^[1] However, to date, there are no bottom-up micro-nano structure preparation methods for crystalline phosphorus allotropes.^{[1c, 2]} Herein, we present the bottom-up preparation of fibrous phosphorus micropillar (FP-MP) arrays via a low-pressure gas-phase transport (LP-CVT) method that controls the directional phase transition from amorphous red phosphorus (ARP) to FP. In addition, self-powered photodetectors (PD) of FP-MP arrays with pyro-phototronic effects achieved detection beyond the band gap limit. Our results provide a new approach for bottom-up preparation of other crystalline allotropes of phosphorus.

Keywords: Bottom-up Synthesis; Fibrous Phosphorus; Photodetectors; Pyro-Phototronic Effect; Two-Dimensional Semiconductor Material.

Abstract

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