A5081377235- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Graphene research and applications
- Fullerene Chemistry and Applications
- Carbon Nanotubes in Composites
- Boron and Carbon Nanomaterials Research
- Advancements in Semiconductor Devices and Circuit Design
- Advanced Chemical Physics Studies
- Semiconductor materials and devices
- Topological Materials and Phenomena
- 2D Materials and Applications
- Nanocluster Synthesis and Applications
- Semiconductor Quantum Structures and Devices
- Advanced ceramic materials synthesis
- Crystallography and molecular interactions
- Advanced materials and composites
- Diamond and Carbon-based Materials Research
- Magnetism in coordination complexes
- Catalytic Processes in Materials Science
- Conducting polymers and applications
- Aluminum Alloys Composites Properties
- Electronic and Structural Properties of Oxides
- Semiconductor materials and interfaces
- Electrocatalysts for Energy Conversion
- Molecular Junctions and Nanostructures
Institute for Molecular Science
2019-2025
Third Affiliated Hospital of Southern Medical University
2025
Naval Research Laboratory Information Technology Division
2025
Sun Yat-sen University
2022-2024
Ocean University of China
2022-2024
The Graduate University for Advanced Studies, SOKENDAI
2022-2024
University of Oxford
2024
Kyoto University
2020-2023
Xi'an Jiaotong University
2011-2022
Shanxi University
2022
Tunneling field-effect transistors (FETs) have been intensely explored recently due to its potential address power concerns in nanoelectronics. The discovered graphene nanoribbon (GNR) is ideal for tunneling FETs symmetric bandstructure, light effective mass, and monolayer-thin body. In this work, we examine the device physics of p-i-n GNR using atomistic quantum transport simulations. important role edge bond relaxation characteristics identified. However, has ambipolar I-V characteristics,...
3D printing is seen as a game‐changing manufacturing process in many domains, including general medicine and dentistry, but the integration of more complex functions into 3D‐printed materials remains lacking. Here, it expanded on repertoire 3D‐printable to include antimicrobial polymer resins, which are essential for development medical devices due high incidence biomaterial‐associated infections. Monomers containing antimicrobial, positively charged quaternary ammonium groups with an...
For the next step fusion reactor use of tungsten is inevitable to suppress erosion and allow operation at elevated temperature high heat loads.Tungsten fibre-reinforced composites overcome intrinsic brittleness its susceptibility embrittlement thus as a structural well an armour material.That this concept works in principle has been shown recent years.In contribution we present development approach towards their future reactor.A multilayer needed addressing all composite constituents...
Interfaces in thin-film photovoltaics play a pivotal role determining device efficiency and longevity. In this work, the top surface treatment of mixed tin-lead (≈1.26 eV) halide perovskite films for p-i-n solar cells is studied. Charge extraction promoted by treating with piperazine. This compound reacts organic cations at surface, modifying structure tuning interfacial energy level alignment. addition, combined C60 pyrrolidine tris-acid (CPTA) reduces hysteresis leads to efficiencies up...
Electronic structures of anion-templated silver nanoclusters (Ag NCs) are not well understood compared to conventional, template-free Ag NCs. In this study, we synthesized three new NCs, namely [S@Ag17(S-4CBM)15(PPh3)5]0, [S@Ag18(S-4CBM)16(PPh3)8]0, and [Cl@Ag18(S-4CBM)16(PPh3)8][PPh4], where S-4CBM = 4-chlorobenzene methanethiolate, single-crystal X-ray crystallography revealed that they have S@Ag6, S@Ag10, Cl@Ag10 cores, respectively. Investigation their electronic by optical spectroscopy...
We report the realization of top-gated graphene nanoribbon field effect transistors (GNRFETs) ∼10 nm width on large-area epitaxial exhibiting opening a band gap ∼0.14 eV. Contrary to prior observations disordered transport and severe edge-roughness effects nanoribbons (GNRs), experimental results presented here clearly show that mechanism in carefully fabricated GNRFETs is conventional band-transport at room temperature inter-band tunneling low temperature. The entire space temperature,...
Asymmetric induction of metal clusters by ligation chiral ligands is intriguing in terms the mechanism chirality transfer and stability resulting structure. Here we report asymmetric C-centered hexagold(I) CAuI6 into an asymmetrically twisted structure through monodentate, benzimidazolylidene-based N-heterocyclic carbene (NHC) ligands. X-ray diffraction analysis revealed that NHC-ligated cluster was diastereoselectively with directionally selective, bond length expansion, contraction Au···Au...
Abstract Photoluminescent gold clusters are functionally variable chemical modules by ligand design. Chemical modification of protective ligands and introduction different metals into the lead to discover unique physical properties based on their significantly perturbed electronic structures. Here we report synthesis carbon-centered Au(I)-Ag(I) with high phosphorescence quantum yields using N -heterocyclic carbene ligands. Specifically, a heterometallic cluster [(C)(Au I -L) 6 Ag 2 ] 4+ ,...
As a potential alternative to antibiotics, hyperbranched poly(ionic liquid)s (HPILs) have demonstrated significant in combating bacterial biofilms. However, their high cation density poses risk of toxicity, greatly limiting
The development of MoS2-based electronic devices is dependent on finding electrode materials suitable for forming Ohmic contacts with MoS2. For this purpose, we carried out density functional theory and nonequilibrium Green's function calculations to investigate the possibility using pristine modified MXene (Ta2C/Ta2CF2/Ta2C(OH)2) monolayers as in such devices. These indicated formation chemical bonds at MoS2/Ta2C interface, resulting strong orbital hybridization between MoS2 Ta2C...
We present a semi-analytical model incorporating the effects of edge bond relaxation, third nearest neighbor interactions, and scattering in graphene nanoribbon field-effect transistors (GNRFETs) with armchair-edge GNR (AGNR) channels. Unlike carbon nanotubes (CNTs) which do not have edges, existence edges AGNRs has significant effect on quantum capacitance ballistic I-V characteristics GNRFETs. For an AGNR index m=3p, band gap decreases ON current increases whereas for m=3p+1, decreases....
The expressions given in previous section, is for T = 0K. room temperature results need to consider the Fermi distribution with integral over energy. corresponding device parameters are labeled figures. A graphene length L 100 nm assumed. When tunnel barrier thicker, resonant peak current decreases as expected (Figure 2 (a)). Thinner t <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">gate</sub> offers better gate control and higher induced doping...
High strength and creep resistance also at high temperature, combined with a thermal conductivity melting point make tungsten (W) an ideal material for highly loaded areas in future fusion reactors. However, as typical bcc metal features intrinsic brittleness up to very temperature is prone operational embrittlement. Tungsten fibre-reinforced composite (Wf/W) utilizes extrinsic toughening mechanisms similar ceramic ceramics therefore overcomes the problem. The properties of are large extend...
Successful isolation and unambiguous crystallographic assignment of a series higher carbide cluster metallofullerenes present new insights into the molecular structures cluster-cage interactions endohedral metallofullerenes. These species are identified as La2C2@C2(41)-C90, La2C2@D3(85)-C92, La2C2@C1(132)-C94, La2C2@C2(157)-C96, La2C2@C1(175)-C98. This is first report for these cage except D3(85)-C92. Our experimental theoretical results demonstrate that La2C92-106 more inclined to exist...
Fin width scaling is required to improve FinFET electrostatics for future technology nodes. This paper studies the benefits, trade-offs and limitations of aggressive fin (W) on logic SRAM device characteristics. TCAD analysis used understand impact gate length (Lg)scaling along with optimize AC performance. In this paper, W was scaled from 8nm 1.6nm. It found that there a critical (Wc)at ~4nm. W>Wc region, due better narrower fin, drain-induced barrier lowering (DIBL), DC performance Vt...
The 31P MAS NMR spectra of phosphorus-modified chabazite (P-CHA) zeolites have been observed during the hydrothermal treatment to probe structural changes phosphorus species in zeolites. Characteristic were range −27 ~ −42 ppm, which correlates structure P-CHA Theoretical calculations on and 27Al chemical shifts systematically performed disclose possible intra- extra-framework treatment. shift resonances toward higher field identified for condensed phosphates aluminophosphates. Based...
Abstract Chemical etching of nano-sized metal clusters at the atomic level has a high potential for creating number-specific structures and functions that are difficult to achieve with bottom-up synthesis methods. In particular, precisely atoms one by from nonmetallic element-centred elucidating relationship between their well-defined structures, chemical physical properties will facilitate future materials design clusters. Here we report single-gold hypercarbon centre in gold(I)...
(6,5)‐enriched single‐walled carbon nanotubes (SWCNTs) were reductively arylated using sodium naphthalenide and monosubstituted disubstituted iodobenzene derivatives to control their photoluminescence (PL) properties. In the reactions with substituted iodobenzenes, degree of functionalization was influenced by substituents on aryl groups depending position, which allowed us realize PL intensity. The at 2‐position methyl 3,5‐positions phenyl group respectively increased E11** E11* selectivity...