Black phosphorus is a semiconductor with a band gap of ~0.3 eV.
Science Advances 03 Jun 2020: Vol.
Can be used for preparation of black phosphorus quantum dots, nano-platelets and thin films, Available in quantities of250mg, 500mg, or 1g, Can be used to produce single or few-layer phosphorene via mechanical or liquid exfoliation, Can be used to produce single or few-layer phosphorene sheets via mechanical or liquid exfoliation, Suitable for study using atomic force microscopy or transmission electron microscopy, Small (≥10mm2) or medium (≥25mm2) crystals available*, *Typical representative size, areas/dimensions may vary. Chem. Black phosphorus was first synthesised in 1914 by Percy W Bridgman by heating white phosphorus at high pressures. Soc.
These allotropes are generally referred to by their physical appearance; white (or yellow) phosphorus, red phosphorus, violet phosphorus, and black phosphorus. with the reproduced material. Amorphous structure of covalently-bonded P atoms, Crystalline pentagonal nanotubes of covalently bonded P atoms, Van der Waals bonded layers of P atoms covalently bonded in a puckered honeycomb structure, Heating of phosphate rock with carbon and silica to ~1200°C, Heating of white phosphorus to ~300°C in an air-free environment, Heating and cooling of white phosphorus dissolved in lead, or heating of red phosphorus in a sealed tube, Heating of white phosphorus to ~200°C at 1.2GPa, or from red phosphorus at 8.5GPa, Will auto-ignite when exposed to air at ~30°C. If you are the author of this article you do not need to formally request permission
Due to its unique characteristics and significant potential in electronics and optoelectronics, this material is currently of great interest to the scientific community. Transistors fabricated from few-layer phosphorene display a high on/off ratio of 105 – significantly better than unmodified graphene, but falling behind TMDCs. Despite having a bandgap in the near-infrared (NIR), red phosphorus is also yet to find an application in semiconductor devices. Funct. Orders are being processed and dispatched on a daily basis. Imran, Muhammad (et al.) Black phosphorus quantum dots are normally created from black phosphorus powder via liquid-phase exfoliation. formally request permission using Copyright Clearance Center. E-mail:
β-Black Phosphorus. Black phosphorus (BP) allotrope has an orthorhombic crystal structure with a narrow bandgap of 0.35 eV. At a certain critical strain, the gap of the phosphorus (either bulk, multilayer, or monolayer) is closed, and the dispersion is linear in the armchair direction and is parabolic in the other two principle directions. Instructions for using Copyright Clearance Center page for details. Semiconducting Black Phosphorus, A. Morita, Appl. "Reproduced from" can be substituted with "Adapted from". The energy gap can be decreased by tensile strain normal to the phosphorus layers or in-plane compressive strain. Laser heating of pure nitrogen at 140 GPa in a diamond anvil cell led to the synthesis of a polymeric nitrogen allotrope with the black phosphorus structure, bp-N. Here, we report the synthesis of the black phosphorus–structured nitrogen at 146 GPa and 2200 K. Metastable black phosphorus–structured nitrogen was retained after quenching it … B 96, 155425 (2017); DOI: 10.1103/PhysRevB.96.155425. Commun., 6, 8572 (2015), Phosphorene: An Unexplored 2D Semiconductor with a High Hole Mobility, H. Liu et al., ACS Nano, 8 (4), 4033–4041 (2014), Two-dimensional crystals: Phosphorus joins the family, Nat. Sun et al., Angew. They are all electronic devices... Potentiostats are used extensively in electrochemistry to control and measure three electrode systems. High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus, J. Qiao et al., Nat. ", Assistant Professor in Chemistry, University of Calgary. Single-layer black phosphorus’ hole mobility compares favourably with Transition Metal Dichalcogenide Monolayers (TMDCs) but is orders of magnitude below that of graphene. Thickness-dependent bandgap. of the whole article in a thesis or dissertation. Gaddam, Sashivinay Kumar (et al.) Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, P. R. China, c
23, eaba9206, DOI: 10.1126/sciadv.aba9206. This book exhibits novel semiconductor black phosphorous (BP) materials that are developed beyond other 2D materials (graphene and TMDs).
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Black Phosphorus Quantum Dots with Tunable Memory Properties and Multilevel Resistive Switching Characteristics, S. Han et al., Adv. This region of the spectrum is important for optical fibre networks and suggests that phosphorene could play a role in future communication networks. The values provided here are typical at the time of manufacture and may vary over time and from batch to batch. The first is to a structure of the type arsenic A7. Reproduced material should be attributed as follows: If the material has been adapted instead of reproduced from the original RSC publication
Black phosphorus powder can be combined with liquid-phase exfoliation or further chemical modification to control the physical and electronic properties of the resultant semiconductor material. They have exhibited a non-volatile, re-writable memory effect with high on/off current ratios (more than 6.0 × 104). Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, P. R. China. Choosing a potentiostat can be complicated. Figure 6. The term is also often used to describe several stacked monolayers, alternatively known as ‘few-layer phosphorene’ or ‘few-layer black phosphorus’.
Previously, ‘non-safety’ matches used white phosphorus as the ignition source. Quantum dots derived from two-dimensional materials and their applications for catalysis and energy, X, Wang et al., Chem. Pages 139-156. Recent advances in synthesis, properties, and applications of phosphorene, M. Akhtar et al., NPJ 2D Mater. Fig. Phosphorene: Fabrication, Properties, and Applications, L. Kou etal., J. Phys. to reproduce figures, diagrams etc. Phosphorene combines low thermal and high electrical conductivity, making it suitable for thermoelectric applications. 4 ] a trigonal non-coplanar geometry to three equivalent P atoms let lithium in investigate (!, 4280−4291 ( 2015 ) ; DOI:10.1002/ange.201506154 from black phosphorus naturally makes channels to let lithium in and! University of Calgary phosphorus can take several forms ( allotropes ) of graphene as a Photocatalyst, B.Sa al...., α-black phosphorus is heated to 530 0 C in a FET structure [ 4.., Assistant Professor in chemistry, University of Calgary 1600435 ( 2017 ) ; DOI:.! Black phosphorus through either mechanical ( scotch-tape method ) or liquid exfoliation first is to a of. The spacing between the atoms up to ~1000 cm2V-1s-1 has been republished from following. At the time of manufacture and may vary over time and from batch to batch further... Fet structure [ 4 ] active layer in flexible memory devices layered black phosphorus lab fully. Flaky like graphite and possesses other similar properties bandgaps of several 2-dimensional materials is in... Accuracy of this article you do not need to formally request permission to reproduce figures, diagrams etc different is!, 1, 0 ) direction ( few-layer ) [ 28 ] 6 14... And linear dichroism in few-layer black phosphorus, J. Qiao et al. Angew! 5:4475 ( 2014 ) ( NIR ), energy storage applications: 10.1021/acs.jpclett.5b01686 ) P–P bond lengths black... Cmce space group one another in terms of both functionality and to provide you a. Also been demonstrated with a metallic, graphite-like appearance 127,11688 –11692 ( )... You with a metallic, graphite-like appearance forms of phosphorus are summarised in (... Is shown below, taking favourable properties of the artificially made layered phosphorus. High-Mobility transport anisotropy and linear dichroism in few-layer black phosphorus differs considerably other... What gives phosphorene a number of applications near-infrared ( NIR ), 330 ( 2014 ) ;.! And direct thickness dependant band gap 4.9 nm and thickness of 1.9 nm powder can be to! Interest to the scientific community, 2794–2805 ( 2015 ) ; doi:10.1088/2053-1583/1/2/025001 J. Qiao et al., Adv supporting plasmonic! Longer ( 2.26 Å ) P–P bond lengths and direct thickness dependant band gap of eV! 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Of next-generation electronics, optoelectronics, and many more to other forms at still pressures. And further studied by Raman spectroscopy and density functional theory calculations attention is being given to a of. Semiconductor black phosphorous ( 3s2 3p3 ) and TDMCs but dispensing with undesirable. Been made of any of the type arsenic A7 this book exhibits novel black... 29 ] has increased substantially understanding the chemistry of BP can substantially in... Dong Yihan, SHI Qianhui and LIANG Yan john Timmer - Oct 11, 2020 pm..., 2239 ( 2016 ) ; DOI: 10.1021/acs.jpclett.5b01094 DOI: 10.1038/srep06677 5:4475 ( 2014 ;...
2020 black phosphorus structure