Liquid exfoliation of solvent-stabilized few-layer black phosphorus for applications beyond electronics

被引：1123

作者：

Hanlon, Damien ^{[1
,2
,3
]}

Backes, Claudia ^{[1
,2
,3
]}

Doherty, Evie ^{[1
,2
,3
,4
]}

Cucinotta, Clotilde S. ^{[1
,2
,3
]}

Berner, Nina C. ^{[1
,4
]}

Boland, Conor ^{[1
,2
,3
]}

Lee, Kangho ^{[1
,4
]}

Harvey, Andrew ^{[1
,2
,3
]}

Lynch, Peter ^{[1
,2
,3
]}

Gholamvand, Zahra ^{[1
,2
,3
]}

Zhang, Saifeng ^{[5
]}

Wang, Kangpeng ^{[1
,2
,3
,5
]}

Moynihan, Glenn ^{[1
,2
,3
]}

Pokle, Anuj ^{[1
,2
,3
,4
]}

Ramasse, Quentin M. ^{[6
]}

McEvoy, Niall ^{[1
,4
]}

Blau, Werner J. ^{[1
,2
,3
]}

Wang, Jun ^{[5
]}

Abellan, Gonzalo ^{[7
,8
]}

Hauke, Frank ^{[7
,8
]}

Hirsch, Andreas ^{[7
,8
]}

Sanvito, Stefano ^{[1
,2
,3
]}

O'Regan, David D. ^{[1
,2
,3
]}

Duesberg, Georg S. ^{[1
,4
]}

Nicolosi, Valeria ^{[1
,2
,3
,4
]}

Coleman, Jonathan N. ^{[1
,2
,3
]}

机构：

[1] Trinity Coll Dublin, Sch Phys, Dublin 2, Ireland

[2] Trinity Coll Dublin, CRANN Res Ctr, Dublin 2, Ireland

[3] Trinity Coll Dublin, AMBER Res Ctr, Dublin 2, Ireland

[4] Trinity Coll Dublin, Sch Chem, Dublin 2, Ireland

[5] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China

[6] STFC Daresbury Campus, SuperSTEM Lab, Warrington WA4 4AD, Cheshire, England

[7] Univ Erlangen Nurnberg, Chair Organ Chem 2, D-91054 Erlangen, Germany

[8] Univ Erlangen Nurnberg, Inst Adv Mat & Proc ZMP, D-91054 Erlangen, Germany

来源：

NATURE COMMUNICATIONS | 2015年 / 6卷

基金：

爱尔兰科学基金会; 欧洲研究理事会;

关键词：

PHASE EXFOLIATION; SHEAR EXFOLIATION; GRAPHENE; MOS2; NANOSHEETS; PERFORMANCE; GRAPHITE; SIZE; PHOTOLUMINESCENCE; OPTOELECTRONICS;

D O I：

10.1038/ncomms9563

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

070301 [无机化学]; 070403 [天体物理学]; 070507 [自然资源与国土空间规划学]; 090105 [作物生产系统与生态工程];

摘要：

Few-layer black phosphorus (BP) is a new two-dimensional material which is of great interest for applications, mainly in electronics. However, its lack of environmental stability severely limits its synthesis and processing. Here we demonstrate that high-quality, few-layer BP nanosheets, with controllable size and observable photoluminescence, can be produced in large quantities by liquid phase exfoliation under ambient conditions in solvents such as N-cyclohexyl-2-pyrrolidone (CHP). Nanosheets are surprisingly stable in CHP, probably due to the solvation shell protecting the nanosheets from reacting with water or oxygen. Experiments, supported by simulations, show reactions to occur only at the nanosheet edge, with the rate and extent of the reaction dependent on the water/oxygen content. We demonstrate that liquid-exfoliated BP nanosheets are potentially useful in a range of applications from ultrafast saturable absorbers to gas sensors to fillers for composite reinforcement.

引用

页数：11

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