Fe2AlB2
| 【Numbering】BK2021082302 | 【CAS】CAS | ||
| 【Item No.】BK2021082302 | 【specification】 | ||
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Product information:
Name: Iron Aluminum Boride (Fe2AlB2)
Purity: ≥99%
Color: Light Gray
Forming method: pressureless sintering
Etching method: acid/alkali
Status: Powder
The two-dimensional transition metal boride Mbenes is a new branch of MXenes, a new two-dimensional material system. The general formula of MXenes is M(n+1)XnTx. The n+1 layer of transition metal M and the n layer of X elements (carbon, nitrogen or phosphorus) are alternately arranged, and T represents the functional group bonded to the surface of the M atomic layer. In recent years, the element X has expanded from carbon or nitrogen to boron, and has been named MBenes. Because MXenes has shown great application potential in the fields of ion batteries, hybrid electrochemical capacitors, catalysts, spintronics, and flexible devices, it has received extensive attention from researchers. The properties of MBenes are similar to those of MXenes, and they are also expected to be applied in these fields.
Recently, the X element in MXenes has been extended to boron, and this series of materials is named MBenes. The theoretical results of Sun Zhimei et al. showed that two-dimensional Mo2B2 and Fe2B2 can be prepared by chemically etching the bulk precursor MAB phase with HF acid. These two MBenes have high stability, high Youngs modulus and excellent electronic conductivity. After lithium/sodium ions have a small diffusion coefficient and high storage capacity, it is a very potential application value of lithium/sodium ion battery anode material. Zhou Yanchuns team prepared two-dimensional CrB nanosheets by placing Cr2Al B2 powder in a dilute HCl solution at room temperature and selectively etching the Al layer, verifying that it is feasible to prepare two-dimensional MBene from the precursor MAB. Alameda et al. performed local chemical separation of Al from MoAlB single crystals, and reacted with NaOH solution at room temperature to generate multiple metastable Mo-Al-B intergrowth phases. Two-dimensional monolayer MoB was observed in these metastable intergrowth phases. (MBene). Huang Zongyus team combined density functional theory and crystal structure prediction technology to report a two-dimensional hexagonal Zr2B2, which has good metallicity, stability and conductivity. The diffusion coefficient of lithium-ion batteries prepared based on Zr2B2 is very low and theoretically The specific capacity is larger than the graphite electrode used in industry, and it is an excellent anode material for lithium ion batteries.
Recently, the team of Professor Zhao Jijun of Dalian University of Technology used first-principles calculations to predict twelve unreported two-dimensional
MBene structure, such as MnB, Au2B, Mo2B, Nb5B2 and V3B4 etc. Phonon Spectra (Phonon Spectra) shows that these structures are thermodynamically stable. Among these structures, MnB is predicted to be a ferromagnet, and its Curie temperature is expected to be higher than room temperature after functionalization with functional groups, which is a promising material for spintronic devices. And Au2B and Mo2B
It has a hexagonal sandwich structure similar to the two-dimensional MoS2, that is, a layer of boron is sandwiched between two layers of gold or molybdenum. Recently, the team of researcher Du Shiyu reported on Mo2B in two configurations, H-type and T-type, among which H-type and Zhao Jijun’s team reported
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Name: Iron Aluminum Boride (Fe2AlB2)
Purity: ≥99%
Color: Light Gray
Forming method: pressureless sintering
Etching method: acid/alkali
Status: Powder
The two-dimensional transition metal boride Mbenes is a new branch of MXenes, a new two-dimensional material system. The general formula of MXenes is M(n+1)XnTx. The n+1 layer of transition metal M and the n layer of X elements (carbon, nitrogen or phosphorus) are alternately arranged, and T represents the functional group bonded to the surface of the M atomic layer. In recent years, the element X has expanded from carbon or nitrogen to boron, and has been named MBenes. Because MXenes has shown great application potential in the fields of ion batteries, hybrid electrochemical capacitors, catalysts, spintronics, and flexible devices, it has received extensive attention from researchers. The properties of MBenes are similar to those of MXenes, and they are also expected to be applied in these fields.
Recently, the X element in MXenes has been extended to boron, and this series of materials is named MBenes. The theoretical results of Sun Zhimei et al. showed that two-dimensional Mo2B2 and Fe2B2 can be prepared by chemically etching the bulk precursor MAB phase with HF acid. These two MBenes have high stability, high Youngs modulus and excellent electronic conductivity. After lithium/sodium ions have a small diffusion coefficient and high storage capacity, it is a very potential application value of lithium/sodium ion battery anode material. Zhou Yanchuns team prepared two-dimensional CrB nanosheets by placing Cr2Al B2 powder in a dilute HCl solution at room temperature and selectively etching the Al layer, verifying that it is feasible to prepare two-dimensional MBene from the precursor MAB. Alameda et al. performed local chemical separation of Al from MoAlB single crystals, and reacted with NaOH solution at room temperature to generate multiple metastable Mo-Al-B intergrowth phases. Two-dimensional monolayer MoB was observed in these metastable intergrowth phases. (MBene). Huang Zongyus team combined density functional theory and crystal structure prediction technology to report a two-dimensional hexagonal Zr2B2, which has good metallicity, stability and conductivity. The diffusion coefficient of lithium-ion batteries prepared based on Zr2B2 is very low and theoretically The specific capacity is larger than the graphite electrode used in industry, and it is an excellent anode material for lithium ion batteries.
Recently, the team of Professor Zhao Jijun of Dalian University of Technology used first-principles calculations to predict twelve unreported two-dimensional
MBene structure, such as MnB, Au2B, Mo2B, Nb5B2 and V3B4 etc. Phonon Spectra (Phonon Spectra) shows that these structures are thermodynamically stable. Among these structures, MnB is predicted to be a ferromagnet, and its Curie temperature is expected to be higher than room temperature after functionalization with functional groups, which is a promising material for spintronic devices. And Au2B and Mo2B
It has a hexagonal sandwich structure similar to the two-dimensional MoS2, that is, a layer of boron is sandwiched between two layers of gold or molybdenum. Recently, the team of researcher Du Shiyu reported on Mo2B in two configurations, H-type and T-type, among which H-type and Zhao Jijun’s team reported
Mo2B is the same. Studies have found that Mo2B has excellent thermal conductivity and electrical conductivity, and has potential application value in the field of lithium-ion batteries. At present, the relevant properties of two-dimensional Au2B have not been reported, and there is still much work to be done on the properties of two-dimensional Mo2B.
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