Results 201 to 210 of about 55,873 (316)

Tail‐Group Modulated Covalent Functionalization of Solvent‐Dispersible MXenes for Selectivity‐Tunable Gas Sensing at Room Temperature

open access: yesSmall, EarlyView.
By covalently grafting hydrophilic and hydrophobic diazonium ligands, surface‐modified Ti3C2Tx MXene gas sensors achieve tunable gas selectivity and greatly enhanced sensitivity at room temperature. Experimental results and DFT calculations reveal ligand‐specific adsorption, establishing a versatile strategy for designing highly selective, multi‐target
Seongeun Lee   +9 more
wiley   +1 more source

Insights into Graphene Nanostructures, Fabrication Techniques, Mechanical, and Functional Behavior Characterization

open access: yesSmall Science, EarlyView.
This review comprehensively explores the structural configurations, properties, and applications of graphene variants—including monolayer, multilayer, and functionalized forms (graphene oxide, rGO, composites). It discusses fabrication techniques (mechanical exfoliation, chemical vapor deposition, epitaxy) and advanced mechanical characterization ...
Ashfaqul Hoque Khadem   +2 more
wiley   +1 more source

Electroactive Proteinoid–Quantum Dot Systems

open access: yesSmall Science, EarlyView.
Proteinoid‐quantum dot conjugates form toroidal nanostructures (145.2 nm outer diameter, 102.3 nm cavity) via glutamic acid‐phenylalanine‐aspartic acid‐cysteine cross‐linking with sulfo‐SMCC (sulfosuccinimidyl 4‐(N‐maleimidomethyl)cyclohexane‐1‐carboxylate).
Panagiotis Mougkogiannis   +1 more
wiley   +1 more source

Time‐Domain Visualization of Electron‐Phonon Coupling in Nanographenes

open access: yesSmall Methods, EarlyView.
Impulsive vibrational spectroscopy, Raman spectroscopy, and density functional theory calculations are gathered together to unveil elusive low‐frequency collective vibrational modes in dibenzo[hi,st]ovalene nanographenes, enabling the detailed comparison between vibrational modes in derivatives with different peripheral groups.
Rafael Muñoz‐Mármol   +13 more
wiley   +1 more source

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