Results 101 to 110 of about 146,657 (301)

Stability of Nanobubbles Formed at the Interface between Cold Water and Hot Highly Oriented Pyrolytic Graphite

, 2016
For the wider application of nanobubbles, a simple and reproducible nucleation process is not readily available. Here we describe a method for nucleating nanobubbles using only the most basic of conditions: depositing cold water at 4 °C on heated highly ...
An, Hongjie, Zeng, Qingyun, Ohl, Claus-Dieter, Tan, Beng Hau   +3 more
core   +1 more source

Wood Carbon Sponge/SiO2 Aerogel Composites with Anisotropic Broadband Microwave Absorption, Elastic Resilience, and Thermal Insulation

Advanced Science, EarlyView.
Anisotropic wood carbon sponge/SiO2 aerogel composites are constructed, revealing a robust direction‐dependent permittivity ordering (tangential > radial > axial). The radial direction delivers an ultra‐broadband effective absorption bandwidth of 11.6 GHz at only 4.95 mm, while the tangential direction offers superior compressibility and thermal ...
Shuo Sun, Zhimeng Zhao, Weikai Zhan, Yonggang Jiang, Fengqi Liu, Yijie Hu, Junzong Feng, Jian Feng   +7 more
wiley   +1 more source

Van der Waals Gap‐Confined Molecular Engineering of MoS2 for Selectivity‐Enhanced and Humidity‐Tolerant Gas Sensing

Advanced Science, EarlyView.
Molecular confinement within van der Waals gaps of MoS2 is established as a powerful design strategy for selective and stable chemical sensing. Ethanol‐confined films simultaneously tune electronic doping, surface wettability, and sulfur vacancy configurations, suppressing water interference while enhancing NO2 adsorption.
Jae Hyung Shim, Gwang Su Kim, Tae Hyung Lee, Jaeho Lee, Su‐Yeon Joung, Jung Hoon Kang, Jin Seok Kim, Jung‐Won An, Chong‐Yun Kang, Ho Won Jang, Jungwon Park, Ji‐Soo Jang, Chul‐Ho Lee   +12 more
wiley   +1 more source

KEV-POLYATOMIC-ION-IMPACT-NUCLEATED OXIDATIVE ETCH PITTING IN HIGHLY ORIENTED PYROLYTIC-GRAPHITE

, 1995
The tendency of freshly cleaved highly oriented pyrolytic graphite (HOPG) to form nanometer-sized circular pits during high temperature oxidative etching is an example of a controllable, nanoscale tailoring of a surface with a number of potential ...
QUIST, AP,, TURPITZ, A,, REIMANN, CT,, HAKANSSON, P,, SULLIVAN, PA,, ALTMANN, S,, OSCARSSON, SO,, BERGMAN, A,, SUNDQVIST, BUR,   +8 more
core   +5 more sources

Effect of Stress on Irradiation Responses of Highly Oriented Pyrolytic Graphite. [PDF]

Materials (Basel), 2022
Hu Z, Chen D, Kim S, Chauhan R, Li Y, Shao L.   +5 more
europepmc   +1 more source

Coordination‐Asymmetry‐Regulated Reconstruction of Electron‐Rich Cu Sites for pH‐Dependent Nitrate‐to‐Ammonia Electrocatalysis

Advanced Science, EarlyView.
Distinct initial Cu coordination environments drive different pH‐dependent structural evolution pathways, resulting in divergent nitrate reduction activity and behavior. ABSTRACT Electrocatalytic nitrate reduction reaction (e‐NO3RR) offers a promising route to valorize nitrate‐contaminated wastewater while enabling sustainable ammonia production ...
Shih‐Ching Huang, Yu‐Ru Lin, Hsiang‐Chun Yu, Yi‐Dong Lin, Yu‐Chiao Chang, Chun‐Kuo Peng, Yu‐Chang Lin, Wen‐Wei Wu, Hao Ming Chen, Chi‐Liang Chen, Han‐Yi Chen, Yan‐Gu Lin   +11 more
wiley   +1 more source

Patterning of graphite nanocones for broadband solar spectrum absorption

AIP Advances, 2015
We experimentally demonstrate a broadband vis-NIR absorber consisting of 300-400 nm nanocone structures on highly oriented pyrolytic graphite. The nanocone structures are fabricated through simple nanoparticle lithography process and analyzed with three ...
Yaoran Sun, Julian Evans, Fei Ding, Shaowei Wang, Lei Mo, Sailing He   +5 more
doaj   +1 more source

Nitrogen-Rich Polyacrylonitrile-Based Graphitic Carbons for Hydrogen Peroxide Sensing

Sensors, 2017
Catalytic substrate, which is devoid of expensive noble metals and enzymes for hydrogen peroxide (H2O2), reduction reactions can be obtained via nitrogen doping of graphite.
Brandon Pollack, Sunshine Holmberg, Derosh George, Ich Tran, Marc Madou, Maziar Ghazinejad   +5 more
doaj   +1 more source

Beam impingement angle effects on secondary electron emission characteristics of textured pyrolytic graphite [PDF]

, 1984
Experimentally determined values of true secondary electron emission and relative values of reflected primary electron yield for untreated and ion-textured pyrolytic graphite over a range of primary electron energy levels and electron beam impingement ...
Jensen, K. A., Curren, A. N.
core  

Microcracks in nuclear graphite and highly oriented pyrolytic graphite (HOPG)

, 2008
Microcracks with varied length and width are observed in nuclear grade graphite and highly oriented pyrolytic graphite (HOPG) by transmission electron microscopy. In situ observations show that these cracks tend to close up on heating the sample.
Wen, K, Wen, Keyun, Marrow, J, Marsden, B, Marrow, James, Marsden, Barry   +5 more
core   +1 more source