Journal ArticleDOI
Applications of 2D MXenes in energy conversion and storage systems
Jinbo Pang,Rafael G. Mendes,Rafael G. Mendes,Alicja Bachmatiuk,Alicja Bachmatiuk,Alicja Bachmatiuk,Liang Zhao,Huy Q. Ta,Thomas Gemming,Hong Liu,Hong Liu,Zhongfan Liu,Zhongfan Liu,Mark H. Rümmeli,Mark H. Rümmeli,Mark H. Rümmeli +15 more
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TLDR
The potential of MXenes for the photocatalytic degradation of organic pollutants in water, such as dye waste, is addressed, along with their promise as catalysts for ammonium synthesis from nitrogen.Abstract:
Transition metal carbides and nitrides (MXenes), a family of two-dimensional (2D) inorganic compounds, are materials composed of a few atomic layers of transition metal carbides, nitrides, or carbonitrides. Ti3C2, the first 2D layered MXene, was isolated in 2011. This material, which is a layered bulk material analogous to graphite, was derived from its 3D phase, Ti3AlC2 MAX. Since then, material scientists have either determined or predicted the stable phases of >200 different MXenes based on combinations of various transition metals such as Ti, Mo, V, Cr, and their alloys with C and N. Extensive experimental and theoretical studies have shown their exciting potential for energy conversion and electrochemical storage. To this end, we comprehensively summarize the current advances in MXene research. We begin by reviewing the structure types and morphologies and their fabrication routes. The review then discusses the mechanical, electrical, optical, and electrochemical properties of MXenes. The focus then turns to their exciting potential in energy storage and conversion. Energy storage applications include electrodes in rechargeable lithium- and sodium-ion batteries, lithium-sulfur batteries, and supercapacitors. In terms of energy conversion, photocatalytic fuel production, such as hydrogen evolution from water splitting, and carbon dioxide reduction are presented. The potential of MXenes for the photocatalytic degradation of organic pollutants in water, such as dye waste, is also addressed, along with their promise as catalysts for ammonium synthesis from nitrogen. Finally, their application potential is summarized.read more
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2D MXene Materials for Sodium Ion Batteries: A review on Energy Storage
Muhammad Kashif Aslam,Tahani Saad AlGarni,Muhammad Sufyan Javed,Syed Shoaib Ahmad Shah,Shahid Hussain,Maowen Xu +5 more
TL;DR: The performance of electrochemical energy storage (EES) devices highly rely on the in-built properties of the material due to the excellent properties of 2D materials, a much of research has been conducted on 2D material as mentioned in this paper.
Journal ArticleDOI
Emerging two-dimensional nanomaterials for electrochemical nitrogen reduction.
TL;DR: In this article, the state-of-the-art 2D nanomaterials with sufficient exposed active sites, high specific surface area, good conductivity, rich surface defects, and easily tunable electronic properties hold great promise for the adsorption and activation of nitrogen towards sustainable NRR.
Journal ArticleDOI
Nanoarchitectonics from Atom to Life.
Katsuhiko Ariga,Yusuke Yamauchi +1 more
TL;DR: In this short review article, nanoarchitectonics-related approaches on materials fabrications and functions are exemplified from atom-scale to living creature level and unsolved problems for future developments of the nanoarch architectonics concept are discussed.
Journal ArticleDOI
The art of two-dimensional soft nanomaterials
TL;DR: A comprehensive review of 2D soft nanomaterials can be found in this paper, where the focus lies on synthetic strategies and the challenges of characterization, definition and fundamental understanding.
Journal ArticleDOI
Performance improvement of MXene-based perovskite solar cells upon property transition from metallic to semiconductive by oxidation of Ti3C2Tx in air
Lin Yang,Dongxiao Kan,Chunxiang Dall’Agnese,Yohan Dall'Agnese,Baoning Wang,Ajay Kumar Jena,Yingjin Wei,Gang Chen,Xiao-Feng Wang,Yury Gogotsi,Tsutomu Miyasaka +10 more
TL;DR: In this paper, an electron transport layer (ETLTL) was used for low-temperature processed perovskite solar cells (PSCs) in photovoltaic devices, and the energy levels were calculated using the Vienna ab initio simulation package (VASP) code based on density functional theory (DFT).
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Journal ArticleDOI
Two‐Dimensional Nanocrystals Produced by Exfoliation of Ti 3 AlC 2
Michael Naguib,Murat Kurtoglu,Volker Presser,Jun Lu,Junjie Niu,Min Heon,Lars Hultman,Yury Gogotsi,Michel W. Barsoum +8 more
TL;DR: 2D nanosheets, composed of a few Ti 3 C 2 layers and conical scrolls, produced by the room temperature exfoliation of Ti 3 AlC 2 in hydrofl uoric acid are reported, which opens a door to the synthesis of a large number of other 2D crystals.