Controlled Sculpture of Black Phosphorus Nanoribbons

被引：135

作者：

Das, Paul Masih ^{[1
]}

Danda, Gopinath ^{[1
,2
]}

Cupo, Andrew ^{[3
]}

Parkin, William M. ^{[1
]}

Liang, Liangbo ^{[4
]}

Kharche, Neerav ^{[3
]}

Ling, Xi ^{[5
]}

Huang, Shengxi ^{[5
]}

Dresselhaus, Mildred S. ^{[5
]}

Meunier, Vincent ^{[3
]}

Drndic, Marija ^{[1
]}

机构：

[1] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA

[2] Univ Penn, Dept Elect & Syst Engn, Philadelphia, PA 19104 USA

[3] Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA

[4] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA

[5] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

来源：

ACS NANO | 2016年 / 10卷 / 06期

关键词：

few-layer black phosphorus; phosphorene; nanoribbon; nanopore; armchair; zigzag; INPLANE THERMAL-CONDUCTIVITY; FIELD-EFFECT TRANSISTORS; ELECTRON-BEAM; GRAPHENE NANORIBBONS; ATOMIC-STRUCTURE; TRANSPORT; EXFOLIATION; PASSIVATION; MICROSCOPE; RESOLUTION;

D O I：

10.1021/acsnano.6b02435

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Black phosphorus (BP) is a highly anisotropic allotrope of phosphorus with great promise for fast functional electronics and optoelectronics. We demonstrate the controlled structural modification of few-layer BP along arbitrary crystal directions with sub-nanometer precision for the formation of few-nanometer-wide armchair and zigzag BP nanoribbons. Nanoribbons are fabricated, along with nanopores and nanogaps, using a combination of mechanical-liquid exfoliation and in situ transmission electron microscopy (TEM) and scanning TEM nano sculpting. We predict that the few-nanometer-wide BP nanoribbons realized experimentally possess clear one-dimensional quantum confinement, even when the systems are made up of a few layers. The demonstration of this procedure is key for the development of BP-based electronics, optoelectronics, thermoelectrics, and other applications in reduced dimensions.

引用

页码：5687 / 5695

页数：9

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