Facile Synthesis of Ti3C2Tx–Poly(vinylpyrrolidone) Nanocomposites for Nonvolatile Memory Devices with Low Switching Voltage

Gu, Chen; Mao, Huiwu; Tao, Wei-Qiang; Zhou, Zhe; Wang, Xiangjing; Tan, Peng; Cheng, Siwei; Huang, Wei; Sun, Lin‐Bing; Liu, Xiaoqin; Liu, Juqing

doi:10.1021/acsami.9b13711

Cited by 32 publications

(18 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As shown in Figure a, accordion-like layered Ti 3 C 2 MXene nanosheets were formed by the HF etching treatment. The layers are distinctly separate from each other, indicating the complete removal of Al layers by the etching treatment . An energy-dispersive X-ray spectroscopy (EDS) mapping image of Ti 3 C 2 MXene nanosheets is shown in Figure b, and the corresponding Ti, C, F, and O mapping images are shown in Figure c–f, respectively.…”

Section: Results and Discussionmentioning

confidence: 99%

“…The layers are distinctly separate from each other, indicating the complete removal of Al layers by the etching treatment. 47 An energy-dispersive X-ray spectroscopy (EDS) mapping image of Ti 3 C 2 MXene nanosheets is shown in Figure 3b, and the corresponding Ti, C, F, and O mapping images are shown in Figure 3c−f, respectively. The EDS results confirm the formation of surface terminal groups and the uniform…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Ti₃C₂-Based MXene Oxide Nanosheets for Resistive Memory and Synaptic Learning Applications

Khot

Dongale

Park

et al. 2021

ACS Appl. Mater. Interfaces

130

View full text Add to dashboard Cite

MXene, a new state-of-the-art two-dimensional (2D) nanomaterial, has attracted considerable interest from both industry and academia because of its excellent electrical, mechanical, and chemical properties. However, MXene-based device engineering has rarely been reported. In this study, we explored Ti 3 C 2 MXene for digital and analog computing applications by engineering the top electrode. For this purpose, Ti 3 C 2 MXene was synthesized by a simple chemical process, and its structural, compositional, and morphological properties were studied using various analytical tools. Finally, we explored its potential application in bipolar resistive switching (RS) and synaptic learning devices. In particular, the effect of the top electrode (Ag, Pt, and Al) on the RS properties of the Ti 3 C 2 MXene-based memory devices was thoroughly investigated. Compared with the Ag and Pt top electrodebased devices, the Al/Ti 3 C 2 /Pt device exhibited better RS and operated more reliably, as determined by the evaluation of the charge-magnetic property and memory endurance and retention. Thus, we selected the Al/Ti 3 C 2 /Pt memristive device to mimic the potentiation and depression synaptic properties and spike-timingdependent plasticity-based Hebbian learning rules. Furthermore, the electron transport in this device was found to occur by a filamentary RS mechanism (based on oxidized Ti 3 C 2 MXene), as determined by analyzing the electrical fitting curves. The results suggest that the 2D Ti 3 C 2 MXene is an excellent nanomaterial for non-volatile memory and synaptic learning applications.

show abstract

Section: Results and Discussionmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Ti₃C₂-Based MXene Oxide Nanosheets for Resistive Memory and Synaptic Learning Applications

Khot

Dongale

Park

et al. 2021

ACS Appl. Mater. Interfaces

130

View full text Add to dashboard Cite

show abstract

“…have attracted more and more research interests due to their outstanding physical and chemical properties derived from their 2D morphology and ultrathin thickness. , MXenes, as a new and large family of 2D materials, have been extensively explored since 2011. , MXenes have superior mechanical properties, metallic electrical conductivities, and good hydrophilicity with respect to other 2D materials, enabling them significant application in lithium-ion batteries, electrocatalysts, electromagnetic interference shielding, and biomedical fields . In particular, the intrinsic features of large specific surface area, flexible functionalization, and unique topological structure of MXene make them highly accessible active sites and tunable layer spacing through modification (such as, soybean phospholipid, poly(ethylene glycol) (PEG), poly(vinylpyrrolidone) (PVP), poly(vinyl alcohol) (PVA), and polystyrene (PS)) and intercalation (such as DMSO, TBAOH, TMAOH, and Li + ), which could be promising in protein separations. However, as far as we know, functionalized MXene composites for phosphopeptide enrichment has been scarcely reported but holds intriguing prospects.…”

Section: Introductionmentioning

confidence: 99%

Magnetic MXene/PAMAM Composites with Flexible Dimensional Regulation for Highly Effective Enrichment of Phosphopeptides

Yan

et al. 2022

ACS Sustainable Chem. Eng.

View full text Add to dashboard Cite

Highly specific enrichment of phosphopeptide is the prerequisite for in-depth phosphoproteome research and remains a long-standing challenge. In this work, MXenes, a new family of two-dimensional materials which have large specific surface area, flexible functionalization, and unique topological structure, have been applied to construct a novel phosphopeptide enrichment platform with great convenience by combining dimensional regulation with functional modification to prepared multidimensional polyamidoamine (PAMAM) dendrimer functionalized magnetic MXene composites (denoted as Ti 3 C 2 T x @PAMAM@Fe 3 O 4 ). The different dimensions of Ti 3 C 2 T x @PAMAM@Fe 3 O 4 composites exhibited dimension-dependent enrichment performance in both standard proteins and biological samples ascribed to their different surface properties and amount of affinity sites, indicating the effectiveness of dimension in regulating the enrichment ability. Owing to their superior properties, the two-dimensional Ti 3 C 2 T x @ PAMAM@Fe 3 O 4 composites showed better enrichment performance with high sensitivity (1 fmol μL −1 ), excellent selectivity (βcasein:BSA = 1:800, molar ratio), good reusability (five times), large enrichment capacity (200 mg g −1 ), and great practicability in identifying low-abundance phosphopeptides from nonfat milk, human serum, human saliva, and rat brain lysate. This work held great promise for future practical applications in comprehensive phosphoproteomics analysis and extended the application of MXene in the biological field.

show abstract

“…The synthesis method is consistent with previous reports. 37 Briefly, the Ti 3 C 2 T x powders were produced by immersing 10 g of Ti 3 AlC 2 powders in 100 mL of HF solution with stirring at 30 °C for 3 days. The resulting suspension was washed with deionized water and centrifuged at 3500 rpm.…”

Section: ■ Introductionmentioning

confidence: 99%

Hybridization with Ti₃C₂T_x MXene: An Effective Approach to Boost the Hydrothermal Stability and Catalytic Performance of Metal–Organic Frameworks

Gao

et al. 2021

Inorg. Chem.

Self Cite

View full text Add to dashboard Cite

Metal–organic frameworks (MOFs) have attracted increasing research enthusiasm owing to their tunable functionality, diverse structure characteristics, and large surface area. However, poor hydrothermal stability restricts the utilization of some MOFs in practical applications. Our work aims at improving the hydrothermal stability of a representative MOF, namely, HKUST-1, by incorporating a two-dimensional material Ti3C2T x MXene for the first time. A new type of hybrid material is synthesized through the hybridization of HKUST-1 and Ti3C2T x , and the obtained hybrids show improved hydrothermal stability as well as catalytic performance. The porosity of hybrids is enhanced when incorporating an appropriate amount of Ti3C2T x, and the surface area can reach 1380 m2·g–1, while the pristine HKUST-1 is 1210 m2·g–1. After the hydrothermal treatment (hot water vapor, 70 °C), the structure of hybrid materials maintains well, while the framework of HKUST-1 is severely destroyed. When catalyzing the ring-opening reaction of styrene oxide, the conversion reaches 76.7% only for 20 min, which is much higher than that of pure HKUST-1 (23.1% for 20 min). More importantly, the catalytic activity could recover without loss even after six cycles. Our hybrid materials are promising in practical catalytic applications due to their excellent hydrothermal stability, catalytic activity, and reusability.

show abstract

Facile Synthesis of Ti₃C₂T_x–Poly(vinylpyrrolidone) Nanocomposites for Nonvolatile Memory Devices with Low Switching Voltage

Cited by 32 publications

References 35 publications

Ti₃C₂-Based MXene Oxide Nanosheets for Resistive Memory and Synaptic Learning Applications

Ti₃C₂-Based MXene Oxide Nanosheets for Resistive Memory and Synaptic Learning Applications

Magnetic MXene/PAMAM Composites with Flexible Dimensional Regulation for Highly Effective Enrichment of Phosphopeptides

Hybridization with Ti₃C₂T_x MXene: An Effective Approach to Boost the Hydrothermal Stability and Catalytic Performance of Metal–Organic Frameworks

Contact Info

Product

Resources

About

Facile Synthesis of Ti3C2Tx–Poly(vinylpyrrolidone) Nanocomposites for Nonvolatile Memory Devices with Low Switching Voltage

Cited by 32 publications

References 35 publications

Ti3C2-Based MXene Oxide Nanosheets for Resistive Memory and Synaptic Learning Applications

Ti3C2-Based MXene Oxide Nanosheets for Resistive Memory and Synaptic Learning Applications

Magnetic MXene/PAMAM Composites with Flexible Dimensional Regulation for Highly Effective Enrichment of Phosphopeptides

Hybridization with Ti3C2Tx MXene: An Effective Approach to Boost the Hydrothermal Stability and Catalytic Performance of Metal–Organic Frameworks

Contact Info

Product

Resources

About

Facile Synthesis of Ti₃C₂T_x–Poly(vinylpyrrolidone) Nanocomposites for Nonvolatile Memory Devices with Low Switching Voltage

Ti₃C₂-Based MXene Oxide Nanosheets for Resistive Memory and Synaptic Learning Applications

Ti₃C₂-Based MXene Oxide Nanosheets for Resistive Memory and Synaptic Learning Applications

Hybridization with Ti₃C₂T_x MXene: An Effective Approach to Boost the Hydrothermal Stability and Catalytic Performance of Metal–Organic Frameworks