Výsledky vyhledávání - "Van Hoi, Pham"

Characteristics of plasma electrolytic oxidation coatings on 6061 al alloy prepared at different current densities

Autor: Van-Da Dao, Van-Hoi Pham, Quang-Phu Tran

Publikováno v: Vietnam Journal of Science and Technology. 58:699-708

Plasma electrolytic oxidation (PEO) has earned much attention due to its powerful and easy formation of hard and corrosion-resistant oxide layers on valve metals, such as Al alloys. Here we report the effects of current density (CD) on microstructure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::52114bcb1f9eee0a612cc0dfcf3fe041
https://doi.org/10.15625/2525-2518/58/6/15053

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Fabrication of Silver Nano-Dendrites on Optical Fibre Core by Laser-Induced Method for Surface-Enhanced Raman Scattering Applications

Autor: Van Hai Pham, Van Hoi Pham, Huy Bui, Thanh Binh Pham, Duc Chinh Vu, Van Chuc Nguyen, Roberto Coisson

Publikováno v: Journal of Nanoscience and Nanotechnology. 20:1928-1935

In this work, we present a novel fabrication method for making the surface-enhanced Raman scattering (SERS) probe based on silver (Ag) nano-dendrites which are grown and deposited on the end of multi-mode fibre core by a simple and low-cost laser-ind

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b0e8b3be4e839929d0e353254826e7b
https://doi.org/10.1166/jnn.2020.17136

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Akademický článek

Pesticide distribution and use in vegetable production in the Red River Delta of Vietnam

Autor: Van Hoi, Pham, Mol, Arthur P.J., Oosterveer, Peter, van den Brink, Paul J.

Publikováno v: Renewable Agriculture and Food Systems, 2009 Sep 01. 24(3), 174-185.

Externí odkaz: https://www.jstor.org/stable/44491503

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Detection of Ultra-Low Concentration of Methylene Blue by Porous Silicon Photonic Crystals Covered With Siver Nanoparticles as Efficient Sers Substrate

Autor: Van Hoi Pham, Thi Hong Hanh Vu, Chinh Duc Vu, Huy Bui, Van Hai Pham, Thuy Van Nguyen, Thanh Binh Pham

Publikováno v: Communications in Physics. 31

In this work, porous silicon photonic crystals (PSi PhCs) covered by silver nanoparticles (AgNPs) were prepared as surface-enhanced Raman scattering (SERS) substrate to detect methylene blue (MB) at low concentrations. The limit of MB detection in wa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::96e1ea503bcbbd6fb8ab718173343c5b
https://doi.org/10.15625/0868-3166/15927

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Quasi-three-dimension Structured Surface-enhanced Raman Scattering Substrates Based on Silver Nanoparticles/ Porous Silicon Hybrid

Autor: Van Hoi Pham, Van Hai Pham, Huy Bui, Thuy Van Nguyen, Duc Chinh Vu, Thi Hong Cam Hoang, Thanh Binh Pham

Surface-enhanced Raman scattering (SERS) is a powerful spectroscopic technique for ultrasensitive and selective bio-chemical detection due to its capability of providing “fingerprint” information of molecular structures in low concentrations even

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb2df66ded850dbaf3ebd6747af7721b
https://doi.org/10.21203/rs.3.rs-936218/v1

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Akademický článek

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A quantitative analysis of the whispering-gallery-mode lasers in Er3+-doped silica glass microspheres towards integration in SOI slotted photonic crystal waveguides

Autor: Quang Minh Ngo, Thu Trang Hoang, Huu Thang Le, Van Hoi Pham, Van Dai Pham, Van An Nguyen, Thi Hong Cam Hoang

Publikováno v: Optics Communications. 440:14-20

Er 3 + -doped silica glass microspheres ( μ S) with diameters of ∼ 25– 40 μ m were fabricated by using an electrical discharge method. The single-mode optical tapered fibers were used to guide the pumped laser into the μ S surface and collect

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c474b6a29be568cffd551cf6be603e14
https://doi.org/10.1016/j.optcom.2019.01.011

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Quasi‐3D‐Structured Surface‐Enhanced Raman Scattering Substrates Based on Silver Nanoparticles/Mesoporous Silicon Hybrid

Autor: Thuy Van Nguyen, Duc Chinh Vu, Thanh Son Pham, Huy Bui, Thanh Binh Pham, Thi Hong Cam Hoang, Van Hai Pham, Van Hoi Pham

Publikováno v: physica status solidi (a). 219:2200128

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f714cc0fb04dca7a04ec97e5a6b10d68
https://doi.org/10.1002/pssa.202200128

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Akademický článek

Characteristics of the Fiber Laser Sensor System Based on Etched-Bragg Grating Sensing Probe for Determination of the Low Nitrate Concentration in Water

Autor: Thanh Binh Pham, Huy Bui, Huu Thang Le, Van Hoi Pham

Publikováno v: Sensors, Vol 17, Iss 1, p 7 (2016)

The necessity of environmental protection has stimulated the development of many kinds of methods allowing the determination of different pollutants in the natural environment, including methods for determining nitrate in source water. In this paper,

Externí odkaz: https://doaj.org/article/b0fc0b1066cd4dcda3f7959725c20c66

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