English
Related papers

Related papers: Monolayer black phosphorus by sequential wet-chemi…

200 papers

We investigate theoretically the anisotropic electronic and optical behaviors of a monolayer black phosphorus (phosphorene) modulated by periodic potential superlattices in arbitrary directions. We demonstrate that different strength and…

Mesoscale and Nanoscale Physics · Physics 2019-12-17 Xiaojing Li , Wen Yang , Kun Luo , Zhenhua Wu

Black phosphorus (bP) is the second known elemental allotrope with a layered crystal structure that can be mechanically exfoliated down to atomic layer thickness. We have fabricated bP naked quantum wells in a back-gated field effect…

Mesoscale and Nanoscale Physics · Physics 2015-09-04 V. Tayari , N. Hemsworth , I. Fakih , A. Favron , E. Gaufrès , G. Gervais , R. Martel , T. Szkopek

Black phosphorus (BP) with its enticing electric and optical properties is intensely researched in the field of optoelectronics. In this paper, Q-switched pulses at 1550 nm and 2 um wavelengths are obtained by inserting bulk-structured BP…

Optics · Physics 2015-04-29 Tian Jiang , Ke Yin , Xin Zheng , Hao Yu , Xiang-Ai Cheng

As a new two-dimensional layered material, black phosphorus (BP) is a promising material for nanoelectronics and nano-optoelectronics. We use Raman spectroscopy and first-principles theory to report our findings related to low-frequency…

Black phosphorus (P) has emerged as a layered semiconductor with a unique crystal structure featuring corrugated atomic layers and strong in-plane anisotropy in its physical properties. Here, we demonstrate that the crystal orientation and…

Mesoscale and Nanoscale Physics · Physics 2016-09-27 Zenghui Wang , Hao Jia , Xu-Qian Zheng , Rui Yang , G. J. Ye , X. H. Chen , Philip X. -L. Feng

We demonstrate laser cooling of barium monofluoride (138BaF) molecules. We use serrodynes to synthesize time-sequenced optical spectra that can be precisely tailored to the hyperfine structure of this heaviest non-radioactive alkaline earth…

A plethora of different morphologies are fabricated by the self assembly of molybdenum disulphide (MoS2) exfoliated flakes with the help of Langmuir-Blodgett (LB) technique at the liquid/air interface. The MoS2 flakes are chemically…

Materials Science · Physics 2017-01-11 Harneet Kaur , Ved Varun Agrawal , Ritu Srivastava

The possibility of hybridizing collective electronic motion with mid-infrared (mid-IR) light to form surface polaritons has made van der Waals layered materials a versatile platform for extreme light confinement and tailored nanophotonics.…

The strength of light-matter interaction is of central importance in photonics and optoelectronics. For many widely studied two-dimensional semiconductors, such as MoS2, the optical absorption due to exciton resonances increases with…

Mesoscale and Nanoscale Physics · Physics 2020-04-16 Guowei Zhang , Shenyang Huang , Fanjie Wang , Qiaoxia Xing , Chaoyu Song , Chong Wang , Yuchen Lei , Mingyuan Huang , Hugen Yan

Tuning band gaps in two-dimensional (2D) materials is of great interest in the fundamental and practical aspects of contemporary material sciences. Recently, black phosphorus (BP) consisting of stacked layers of phosphorene was…

Materials Science · Physics 2017-09-13 Sun-Woo Kim , Hyun Jung , Hyun-Jung Kim , Jin-Ho Choi , Su-Huai Wei , Jun-Hyung Cho

Modulation of the Fermi level using an ultraviolet (UV)-assisted photochemical method is demonstrated in tungsten diselenide monolayers. Systematic shifts and relative intensities between charged and neutral exciton species indicate a…

High contact resistance remains a central obstacle to the integration of two-dimensional (2D) semiconductors in electronic devices. Recent advances have demonstrated that contact performance can be dramatically improved through interface…

Graphene, as a passivation layer, can be used to protect the black phosphorus from the chemical reaction with surrounding oxygen and water. However, black phosphorus and graphene heterostructures have low efficiency of heat dissipation due…

Materials Science · Physics 2019-03-28 Yang Chen , Yingyan Zhang , Kun Cai , Jinwu Jiang , Jin-cheng Zheng , Junhua Zhao , Ning Wei

Phosphorus atomic chains, the utmost-narrow nanostructures of black phosphorus (BP), are highly relevant to the in-depth development of BP into one-dimensional (1D) regime. In this contribution, we report a top-down route to prepare atomic…

Materials Science · Physics 2017-04-21 Zhangru Xiao , Jingsi Qiao , Wanglin Lu , Guojun Ye , Xianhui Chen , Ze Zhang , Wei Ji , Jixue Li , Chuanhong Jin

Metal-coated microsphere monolayers (MCM) are a class of plasmonic crystals consisting of noble metal films over arrays of self-assembled colloidal microspheres. Despite their ease of fabrication and tunable plasmonic response, their…

Optics · Physics 2026-03-30 Cosmin Farcău

Single-layer MoS2 is an attractive semiconducting analogue of graphene that combines high mechanical flexibility with a large direct bandgap of 1.8 eV. On the other hand, bulk MoS2 is an indirect bandgap semiconductor similar to silicon,…

This work presents a simply methodology for coating small unilamellar liposomes bearing different degrees of positive charge with polyelectrolyte multilayers using the sequential Layer-by-Layer (LbL) deposition method. The liposomes were…

Atomically thin layered black phosphorous (BP) has recently appeared as an alternative to the transitional metal di chalcogenides for future channel material in a MOS transistor due to its lower carrier effective mass. Investigation of the…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Anuja Chanana , Santanu Mahapatra

Nickel nanoparticles were dispersed on the surface of exfoliated black phosphorus and the resulting nanohybrid Ni/2DBP showed an improved stability respect to pristine 2D BP when kept in ambient conditions in the darkness. Ni/2DBP was…

Mesoscale and Nanoscale Physics · Physics 2017-10-06 Maria Caporali , Manuel Serrano-Ruiz , Francesca Telesio , Stefan Heun , Giuseppe Nicotra , Corrado Spinella , Maurizio Peruzzini

We report on the integration of monolayer molybdenum disulphide with silicon nitride microresonators assembled by visco-elastic layer transfer techniques. Evanescent coupling from the resonator mode to the monolayer is confirmed through…

Materials Science · Physics 2015-09-07 Guohua Wei , Teodor K. Stanev , David A. Czaplewski , Il Woong Jung , Nathaniel P. Stern