Article
Engineering, Environmental
Paula Navascues, Jose Cotrino, Agustin R. Gonzalez-Elipe, Ana Gomez-Ramirez
Summary: The study demonstrates the successful decomposition of CO2 into CO and O-2 using a nonthermal plasma reactor moderated with Lead Zirconate Titanate (PZT) as the fermelectric component, achieving high conversion rates and energy efficiencies. Optical emission spectroscopy analysis shows a direct correlation between energy efficiency and intensity of CO* emission bands, suggesting the involvement of high temperature electrons in the CO2 splitting process.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Physics, Applied
Asad Masood, Ayesha Zaman, N. U. Rehman, M. Aniq, M. Ibrahim Khan, M. Ali
Summary: Plasma-based sterilization in the atmospheric pressure plasma needle configuration is a developing technique with diverse applications. This study characterizes the plasma of capacitively coupled He-O-2/Ar and He-N-2/Ar mixtures, and determines the optimal conditions for plasma-based sterilization. The use of optical emission spectroscopy and actinometry allows the estimation of atomic densities and the calculation of rotational temperatures. The results suggest that the optimal conditions for plasma-based sterilization in the needle configuration are 4% oxygen and nitrogen concentration at 4 kV applied pulsing voltage and 100SCCM flow rate.
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
(2023)
Review
Chemistry, Multidisciplinary
Rok Zaplotnik, Gregor Primc, Alenka Vesel
Summary: A suitable technique for localized surface treatment of solid materials is an atmospheric pressure plasma jet (APPJ), whose properties are influenced by details like gaseous impurities concentration. The simplest configuration of APPJ using optical emission spectroscopy (OES) is discussed along with results from various studies. Studies show that surface treatment is limited by the area reached by the reactive radicals.
APPLIED SCIENCES-BASEL
(2021)
Article
Spectroscopy
Zhang Xiao-lin, Li Shou-zhe, Ji Chun-jun, Niu Yu-long, Bai Yang, Liao Hong-da
Summary: Atmospheric pressure argon plasma jet plays an important role in plasma-assisted combustion by generating active radicals and enhancing mixing effects, which improve combustion efficiency and affect the flame morphology and spectral intensity.
SPECTROSCOPY AND SPECTRAL ANALYSIS
(2021)
Article
Chemistry, Analytical
Stefan Gruenberger, Valentin Ehrentraut, Simon Eschlboeck-Fuchs, Josef Hofstadler, Andreas Pissenberger, Johannes D. Pedarnig
Summary: The optical emission of plasma induced by LA-SD-OES and LIBS on industrial steel samples shows different behaviors. LA-SD-OES provides similar emission and crater size for all samples, while LIBS exhibits a pronounced dependence on the steel matrix. This difference is attributed to the different sampling and plasma excitation processes.
ANALYTICA CHIMICA ACTA
(2023)
Article
Chemistry, Physical
Malte Schmidt, Philipp Huke, Christoph Gerhard, Knut Partes
Summary: Direct metal deposition (DMD) can be used for surface cladding, part repair, and additive manufacturing with consistent quality ensured by process monitoring and control. The study found that element lines do not occur regularly and only non-ionised elements can be detected. Increasing laser power affects the intensity of specific Cr I lines.
Article
Chemistry, Multidisciplinary
Dexin Xu, Cong Li, Liu Yang, Wenchao Zhu, Bangdou Huang, Cheng Zhang, Tao Shao
Summary: A microwave atmospheric pressure plasma optical emission spectroscopy (MW-APP-OES) method was developed to detect sulfur mustard simulants. By optimizing the gas flow rate and microwave power, the best analytical results were achieved, with detection down to sub-ppm levels and response time on the order of seconds. The analytical results indicate that MW-APP-OES is a promising method for real-time and in-site detection of chemical warfare agents.
FRONTIERS IN CHEMISTRY
(2023)
Article
Physics, Applied
Thijs van der Gaag, Atsushi Nezu, Hiroshi Akatsuka
Summary: Partial arbitrary electron energy distribution function (EEDF) results for cold atmospheric-pressure plasma were obtained using the visible bremsstrahlung inversion (VBI) method. Numerical EEDF of pure argon and helium-argon discharge datasets were reported, showing resemblance with a two-temperature Maxwell distribution. Measurements revealed the electron temperature and relative electron number density for bulk and high-energy electron populations. The VBI method allows the observation of arbitrary EEDF from optical emission spectroscopy (OES) measurement.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2023)
Article
Physics, Applied
Tahereh Shah Mansouri, Hui Wang, Davide Mariotti, Paul Maguire
Summary: This study used optical emission spectroscopy and partial least squares-discriminant analysis to detect trace concentrations of methane gas. By enhancing the algorithms, the dimensionality and collinearity of the spectral emission data were addressed, leading to improved predictive performance.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2022)
Article
Spectroscopy
M. C. Garcia, C. Yubero, A. Rodero
Summary: In this study, a new method for determining both the gas temperature and the air fraction in non-thermal atmospheric helium plasmas is presented. This technique, based on UV-Atomic Emission Spectroscopy and the measurement of collisional broadening of specific emission lines, is particularly sensitive under low gas temperature conditions and suitable for diagnosing cold helium plasmas used in biomedical applications. Quantifying the air content is crucial for understanding the chemistry and clinical effects of these plasmas.
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
(2022)
Article
Physics, Multidisciplinary
Chuanjie Chen, Zhongqing Fang, Xiaofang Yang, Yongsheng Fan, Feng Zhou, Rugang Wang
Summary: This study investigates atmospheric pressure micro-discharges in helium gas with a mixture of 0.5% water vapor using time-resolved imaging and optical emission spectroscopy. The temporal and spatial characteristics of the discharges, including discharge morphology, gas temperature, electron density, and excited species, are analyzed. The findings provide insights into the evolution of micro-discharges.
Article
Spectroscopy
Sunil P. Badal, Paul B. Farnsworth, George C-Y Chan, Brian T. Molnar, Jessica R. Hellinger, Jacob T. Shelley
Summary: Plasma-based ambient desorption/ionization sources often use helium as the primary discharge gas, but studies show advantages of mixed-gas plasmas. Adding H-2 to helium can decrease reagent-ion signals while preserving analyte-ion signals. Nitrogen addition increases negative reagent ions for enhanced ion signal of specific compounds. Various molecular gases impact emission characteristics and plasma parameters in mixed-gas systems.
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
(2021)
Article
Multidisciplinary Sciences
Gonzalo Avaria, Alejandro Clausse, Sergio Davis, Cristian Pavez, Nelson Villalba, Osvaldo Cuadrado, Jose Moreno, H. Marcelo Ruiz, Leopoldo Soto
Summary: This study presents an experimental assessment of the electron density in the rundown phase of a hydrogen plasma focus. The electron density of the passing sheath is measured using hydrogen alpha emission and analyzed using Bayesian posterior probability assessment. The results provide insights into the sheath behavior and estimate the plasma sheath temperature and velocity during the rundown.
SCIENTIFIC REPORTS
(2022)
Article
Physics, Applied
Tam Nguyen, Peng Lin, Demetre J. Economou, Vincent M. Donnelly
Summary: Optical emission spectroscopy was used to measure the radial distribution of ambient air species diffusing into a helium atmospheric pressure plasma jet. Both experimental and simulation results showed that N-2 shielding gas effectively reduced air diffusion.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2021)
Article
Chemistry, Multidisciplinary
Andrea Jurov, Spela Kos, Natasa Hojnik, Ivana Sremacki, Anton Nikiforov, Christophe Leys, Gregor Sersa, Uros Cvelbar
Summary: The study focused on the behavior of skin cells under a non-thermal plasma jet, revealing that direct plasma treatment could lead to low cell viability and induce apoptosis even with short treatment times. The research also highlighted the importance of upgrading and standardizing existing plasma treatment protocols, monitoring gas and liquid chemistries, and standardizing plasma discharge parameters for future research in the field.
APPLIED SCIENCES-BASEL
(2021)
Article
Physics, Applied
Fiorenza Fanelli, Francesco Fracassi
PLASMA PROCESSES AND POLYMERS
(2016)
Article
Physics, Applied
Piera Bosso, Fiorenza Fanelli, Francesco Fracassi
PLASMA PROCESSES AND POLYMERS
(2016)
Article
Chemistry, Applied
Vito Rizzi, Paola Fini, Fiorenza Fanelli, Tiziana Placido, Paola Semeraro, Teresa Sibillano, Aurore Fraix, Salvatore Sortino, Angela Agostiano, Cinzia Giannini, Pinalysa Cosma
FOOD HYDROCOLLOIDS
(2016)
Review
Physics, Applied
Fiorenza Fanelli, Piera Bosso, Anna Maria Mastrangelo, Francesco Fracassi
JAPANESE JOURNAL OF APPLIED PHYSICS
(2016)
Article
Materials Science, Coatings & Films
Fouzi Addou, Thomas Duguet, Piera Bosso, Anne Zhang, Eliane Amin-Chalhoub, Fiorenza Fanelli, Constantin Vahlas
SURFACE & COATINGS TECHNOLOGY
(2016)
Article
Biochemistry & Molecular Biology
Lucia D'Accolti, Nicoletta De Vietro, Fiorenza Fanelli, Caterina Fusco, Angelo Nacci, Francesco Fracassi
Article
Physics, Applied
Paul Brunet, Rocio Rincon, Jean-Michel Martinez, Zineb Matouk, Fiorenza Fanelli, Mohamed Chaker, Francoise Massines
PLASMA PROCESSES AND POLYMERS
(2017)
Article
Materials Science, Coatings & Films
Fiorenza Fanelli, Francesco Fracassi
SURFACE & COATINGS TECHNOLOGY
(2017)
Article
Chemistry, Physical
Jennifer Gubitosa, Vito Rizzi, Angela Lopedota, Paola Fini, Anna Laurenzana, Gabriella Fibbi, Fiorenza Fanelli, Andrea Petrella, Valentino Laquintana, Nunzio Denora, Roberto Comparelli, Pinalysa Cosma
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2018)
Article
Materials Science, Coatings & Films
Fiorenza Fanelli, Anna Maria Mastrangelo, Gianvito Caputo, Francesco Fracassi
SURFACE & COATINGS TECHNOLOGY
(2019)
Article
Chemistry, Multidisciplinary
Fiorenza Fanelli, Francesco Fracassi, Annamaria Lapenna, Valeria Angarano, Gerardo Palazzo, Antonia Mallardi
ADVANCED MATERIALS INTERFACES
(2018)
Article
Chemistry, Physical
Vito Rizzi, Jennifer Gubitosa, Paola Fini, Fiorenza Fanelli, Aurore Fraix, Salvatore Sortino, Angela Agostiano, Luisa De Cola, Angelo Nacci, Pinalysa Cosma
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2019)
Article
Materials Science, Coatings & Films
Vincenza Armenise, Antonella Milella, Francesco Fracassi, Piera Bosso, Fiorenza Fanelli
SURFACE & COATINGS TECHNOLOGY
(2019)
Article
Chemistry, Physical
Annamaria Lapenna, Fiorenza Fanelli, Francesco Fracassi, Vincenza Armenise, Valeria Angarano, Gerardo Palazzo, Antonia Mallardi
Article
Chemistry, Multidisciplinary
Eloisa Sardella, Roberto Gristina, Fiorenza Fanelli, Valeria Veronico, Gabriella Da Ponte, Jennifer Kroth, Francesco Fracassi, Pietro Favia
APPLIED SCIENCES-BASEL
(2020)