Results 21 to 30 of about 8,907 (279)

Formation of three-dimensional bicontinuous structures via molten salt dealloying studied in real-time by in situ synchrotron X-ray nano-tomography

Nature Communications, 2021
Three-dimensional bicontinuous porous materials formed by dealloying contribute significantly to various applications including catalysis, sensor development and energy storage.
Xiaoyang Liu, A. Ronne, Lin-Chieh Yu, Yang Liu, M. Ge, Cheng-Hung Lin, Bobby Layne, Phillip W. Halstenberg, D. Maltsev, A. S. Ivanov, S. Antonelli, S. Dai, Wah-Keat Lee, S. Mahurin, A. Frenkel, J. Wishart, Xianghui Xiao, Y. K. Chen-Wiegart   +17 more
semanticscholar   +1 more source

Oxidation Driven Thin‐Film Solid‐State Metal Dealloying Forming Bicontinuous Nanostructures

Advanced Materials Interfaces, 2023
Solid‐state metal dealloying (SSMD) is a promising method for fabricating nanoscale metallic composites and nanoporous metals across a range of materials.
Cheng‐Chu Chung, Charles Clark, Chonghang Zhao, Kim Kisslinger, Fernando Camino, Dmytro Nykypanchuk, Hui Zhong, Sanjit Ghose, Ruipeng Li, Chang‐Yong Nam, Yu‐chen Karen Chen‐Wiegart   +10 more
doaj   +1 more source

Dealloying fabrication of hierarchical porous Nickel–Iron foams for efficient oxygen evolution reaction

Frontiers in Chemistry, 2022
Designing and preparing highly active oxygen evolution reaction (OER) electrodes are essential for improving the overall efficiency of water splitting. Increasing the number of active sites is the simplest way to enhance OER performance.
Ting-Ting Zhou, Zilong Liu, Beilei Yang, Zhen Cao, Zai-Yong Jiang, Wei-Ran Cui, Kaili Wang, Lei Yu, Ji-Tao Lu, Ling Zhang   +9 more
semanticscholar   +1 more source

Dealloying-Induced Zeolite-like Metal Framework of AB₂ Laves Phase Intermetallic Electrocatalysts

, 2023
Exploring an efficient and robust electrocatalyst for hydrogen evolution reaction (HER) at high pH and temperature holds the key to the industrial application of alkaline water electrolysis (AWE).
Guan-Bo Wang (12456555), Hao Ming Chen (1438507), Li-Wen Cao, Guan-Bo Wang, Nian-Tzu Suen (1509787), Hao Ming Chen, Peng Zhang, Ying-Rui Lu, Sung-Fu Hung, Nian-Tzu Suen, Shen-Jing Ji (10024900), Li-Wen Cao (16638742), Shen-Jing Ji, Peng Zhang (2071), Sung-Fu Hung (1438516), Ying-Rui Lu (2141974)   +15 more
core   +1 more source

Chemical-Dealloying-Derived PtPdPb-Based Multimetallic Nanoparticles: Dimethyl Ether Electrocatalysis and Fuel Cell Application

, 2023
In this work, we report a novel multimetallic nanoparticle catalyst composed of Pt, Pd, and Pb and its electrochemical activity toward dimethyl ether (DME) oxidation in liquid electrolyte and polymer electrolyte fuel cells.
Petr Bělský (17499291), Peter Švec (17499303), Haya Kornweitz (1604848), Alex Schechter (1668847), Medhanie Gebremedhin Gebru (17499288), Palaniappan Subramanian (2589463), Sarath Sasi (17499300), Radhey Shyam Yadav (17499294), Rostislav Medlín (4692181), Itay Pitussi (17499297), Jan Minar (3192558)   +10 more
core   +1 more source

Dealloying-Derived Nanoporous Bismuth for Selective CO₂ Electroreduction to Formate

, 2022
Electrochemical CO2 reduction (CO2ER) to formate is an attractive approach for CO2 utilization. Here, we report a nanoporous bismuth (np-Bi) catalyst fabricated by chemically dealloying a rapidly solidified Mg92Bi8 alloy for CO2ER.
Qingru Wei (13862549), Yong Zhao (84950), Wanfeng Yang (4818531), Guixing Jia (13862552), Zhiyuan Guo (5051108), Zhonghua Zhang (128231), Guanhua Cheng (6184754), Wensheng Ma (3635632), Jingyu Qin (2337481)   +8 more
core   +1 more source

Microstructural pattern formation during liquid metal dealloying: Phase-field simulations and theoretical analyses [PDF]

PHYSICAL REVIEW MATERIALS, 2022
In recent years, liquid metal dealloying has emerged as a promising material processing method to generate micro and nano-scale bicontinuous or porous structures.
L. Lai, Pierre-Antoine Geslin, A. Karma
semanticscholar   +1 more source

Nanoporous Pd with Tunable Pore Size prepared by Dealloying Pd 30Cu40Ni10P20 Metallic Glass and Their Catalytic Performance [PDF]

Materials Research, 2019
This work reports the formation of nanoprous Pd with tunable pore size and high stability by dealloying Pd30Cu40Ni10P20 metallic glass. The results show that lower dealloying temperature results in smaller pore size while the dealloying duration does not
Kui Zhu, Zhi Yang, Xuhai Zhang, Shencheng Yang, Yuqiao Zeng, Jianqing Jiang   +5 more
doaj   +1 more source

Evolution of micro-pores in Ni–Cr alloys via molten salt dealloying

Scientific Reports, 2022
Porous materials with high specific surface area, high porosity, and high electrical conductivity are promising materials for functional applications, including catalysis, sensing, and energy storage.
Lin-Chieh Yu, C. Clark, Xiaoyang Liu, A. Ronne, Bobby Layne, Phillip W. Halstenberg, F. Camino, D. Nykypanchuk, Hui Zhong, M. Ge, Wah-Keat Lee, S. Ghose, Shengnan Dai, Xianghui Xiao, J. Wishart, Y. K. Chen-Wiegart   +15 more
semanticscholar   +1 more source

Combining physical vapor deposition structuration with dealloying for the creation of a highly efficient SERS platform

Beilstein Journal of Nanotechnology, 2023
Nanostructured noble metal thin films are highly studied for their interesting plasmonic properties. The latter can be effectively used for the detection of small and highly diluted molecules by the surface-enhanced Raman scattering (SERS) effect ...
Adrien Chauvin, Walter Puglisi, Damien Thiry, Cristina Satriano, Rony Snyders, Carla Bittencourt   +5 more
doaj   +1 more source