Results 111 to 120 of about 840,215 (378)

Synthesis of large arrays of well-aligned carbon nanotubes on glass

Science, 1998
Free-standing aligned carbon nanotubes have previously been grown above 700 degreesC on mesoporous silica embedded with iron nanoparticles. Here, carbon nanotubes aligned over areas up to several square centimeters were grown on nickel-coated glass below
Z. Ren, Z. Huang, J. W. Xu, Jin Wang, P. Bush, M. Siegal, P. N. Provencio   +6 more
semanticscholar   +1 more source

Structured, Shaped, or Printed Single‐Atom Catalysts and Their Applications

Advanced Functional Materials, EarlyView.
This paper reviews the design and use of structured single‐atom catalysts, which integrate porous architectures with the exceptional reactivity of isolated catalytic sites. It explores fabrication strategies, advanced characterization methods, and support materials that enhance thermal stability, mechanical robustness, and operational efficiency of ...
Jiachengjun Luo, Hushan Chand, Rafael Luque, Alina M. Balu, Gianvito Vilé   +4 more
wiley   +1 more source

Excitons and Many-Electron Effects in the Optical Response of Single-Walled Boron Nitride Nanotubes

, 2005
We report first-principles calculations of the effects of quasiparticle self-energy and electron-hole interaction on the optical properties of single-walled BN nanotubes.
Catalin D. Spataru, Cheol-Hwan Park, L. Wirtz, N. G. Chopra, R. Saito, Steven G. Louie, X. Blase   +6 more
core   +1 more source

f‐p‐d Gradient Orbital Coupling Induced Spin State Enhancement of Atomic Fe Sites for Efficient and Stable Oxygen Reduction Reaction

Advanced Functional Materials, EarlyView.
The f‐p‐d (Eu─O─Fe) gradient orbital coupling induces electron delocalization and the introduced f‐band of Eu shifts the spin state of the Fe center in FePc from low‐spin to intermediate‐spin. This strategy simultaneously enhances oxygen reduction reaction (ORR) activity, reaction kinetics, and stability, resulting in superior ORR performance and ...
Ruiqi Cheng, Xiaoqian He, Min Jiang, Xichen Shao, Wenqi Tang, Biao Ran, Huanxin Li, Chaopeng Fu   +7 more
wiley   +1 more source

Biodegradable, Humidity‐Insensitive Mask‐Integrated E‐Nose for Sustainable and Non‐Invasive Continuous Breath Analysis

Advanced Functional Materials, EarlyView.
This study introduces a paper‐based biodegradable, humidity‐insensitive e‐nose for real‐time breath analysis, addressing challenges in existing technologies such as humidity interference, high costs, and environmental impact. Featuring hydrophobic polymer coatings, these sensors reliably detect VOCs even in high‐moisture environments.
Indrajit Mondal, Adan Zoabi, Hossam Haick   +2 more
wiley   +1 more source

Paraconductivity in Carbon Nanotubes

, 2002
We report the calculation of paraconductivity in carbon nanotubes above the superconducting transition temperature. The complex behavior of paraconductivity depending upon the tube radius, temperature and magnetic field strength is analyzed.
A. A. Varlamov, A. Bachtold, A. Buzdin, A. Buzdin, A. Varlamov, B. Reulet, C. Dekker, C. L. Kane, D. V. Livanov, K. A. Matveev, M. Bockrath, M. Kociak, R. Egger, R. Egger, R. Egger, W. A. Little, Z. K. Tang   +16 more
core   +1 more source

Strategies to Design and Optimize Artificial Antigen‐Presenting Cells for T Cell Expansion in Cancer Immunotherapy

Advanced Functional Materials, EarlyView.
This review highlights recent advances in engineering artificial antigen‐presenting cells (aAPCs) as alternatives to dendritic cells for T cell expansion. Key design principles inspired by the immunological synapse are discussed, with emphasis on strategies for polyclonal and antigen‐specific T cell expansion.
Nguyen Thi Nguyen, Yu Seok Youn
wiley   +1 more source

Spin-filtering and Disorder Induced Giant Magnetoresistance in Carbon Nanotubes: Ab Initio Calculations

, 2011
Nitrogen-doped carbon nanotubes can provide reactive sites on the porphyrin-like defects. It's well known that many porphyrins have transition metal atoms, and we have explored transition metal atoms bonded to those porphyrin-like defects in N-doped ...
da Silva, A. J. R., de Almeida, J. M., Fazzio, A., Rocha, A. R.   +3 more
core   +1 more source

Using Recycled Materials in a Novel Dual Binder System for Hard Carbon Anodes: Closing the Loop Toward Sustainable Li‐/Na‐ion Batteries

Advanced Functional Materials, EarlyView.
The study explores for the first time the use of polyvinyl butyral (PVB), particularly recycled PVB, as a sustainable binder for Li/Na‐based electrodes in the framework of the H2020 SUNRISE EU project. Findings revealed that electrodes bound with a sustainable PAA/PVB mixture demonstrated exceptional rate capability and high initial Coulombic ...
Hamideh Darjazi, Alessandro Piovano, Giuseppina Meligrana, Giuseppe A. Elia, Claudio Gerbaldi   +4 more
wiley   +1 more source

Alteration of superconductivity of suspended carbon nanotubes by deposition of organic molecules

, 2005
We have altered the superconductivity of a suspended rope of single walled carbon nanotubes, by coating it with organic polymers. Upon coating, the normal state resistance of the rope changes by less than 20 percent.
A-M. Bonnot, A. Yu. Kasumov, B. J. LeRoey, C. Naud, H. Bouchiat, L. Buchaillot, M. Ferrier, M. Kobylko, M. Kociak, M. S. Dresselhaus, R. Deblock, S. Guéron, V. Agache, V. Bouchiat   +13 more
core   +1 more source