Article
Chemistry, Physical
R. Souissi, N. Bouguila, M. Bendahan, K. Aguir, T. Fiorido, M. Abderrabba, I Halidou, A. Labidi
Summary: The importance of detecting ozone and its impact on human health; Gas sensors based on In2S3 films prepared have high sensitivity and low detection limits; The gas sensor at a working temperature of 160 degrees Celsius exhibits good rapidity and selectivity.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Multidisciplinary
B. Gassoumi, R. Jaballah, A. Boukhachem, N. Kamoun-Turki, M. Amlouk
Summary: In this study, a nickel molybdate (NiMoO4) thin film was prepared by spray pyrolysis method and characterized for its structure, surface morphology, optical properties, and photoluminescence emission spectrum. The findings show that the NiMoO4 thin film crystallizes in the monoclinic phase with an optical bandgap of approximately 3.12 eV.
BULLETIN OF MATERIALS SCIENCE
(2021)
Article
Materials Science, Multidisciplinary
I Saafi, R. Dridi, A. Mami, J. Ben Naceur, A. Amlouk, R. Chtourou, M. Amlouk
Summary: This study covers the successful growth of nickel cobaltite oxide thin films on glass substrates, with investigations using various spectroscopy techniques. The films were found to crystallize in a cubic spinel structure with specific diffraction and Raman peaks corresponding to vibrational modes of NiCo2O4.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2021)
Article
Materials Science, Multidisciplinary
Jilu C. John, Sunil C. Vattappalam, Tina Sebastian, Alphonsa Paul, Nisha Joseph, S. Shaji, Saji Augustine
Summary: This study reports the response of In2S3-Gr and In2S3-CNT nanocomposite thin film sensors to interfering vapours and investigates the variation in gas sensing properties with change in thickness of the films. Various analysis techniques are used to study the structure, composition, and optical properties of the samples. The study reveals that the nanocomposite thin films with the highest root mean square roughness and the lowest bandgap energy show the highest gas sensing efficiency and better sensitivity to ethanol vapour.
DIAMOND AND RELATED MATERIALS
(2022)
Article
Engineering, Electrical & Electronic
Y. Bchiri, R. Souissi, B. Bouricha, N. Bouguila, M. Kraini, C. Vazquez-Vazquez, M. A. Lopez-Quintela, S. Alaya
Summary: In this study, In2S3 thin films were successfully deposited on glass substrates using a spray pyrolysis method, and their photoconductive properties were investigated by adjusting the S/In ratio. The best photosensitivity was achieved when the S/In ratio was 2. The relationship between photocurrent and light intensity follows a power law, while the relationship with bias voltage is linear.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Engineering, Electrical & Electronic
B. Tiss, Y. Moualhi, N. Bouguila, M. Erouel, M. Kraini, S. Alaya, S. Aouida, C. Vazquez-Vazquez, C. Moura, L. Cunha
Summary: Silver-doped indium sulphide thin films were successfully deposited using spray pyrolysis technique, revealing similar physical properties regardless of the doping concentration. These films are opaque to ultraviolet radiation and transparent in visible and near infrared regions of the electromagnetic spectrum.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Engineering, Electrical & Electronic
Y. Bchiri, B. Tiss, N. Bouguila, R. Souissi, M. Kraini, C. Vazquez-Vazquez, K. Khirouni, S. Alaya
Summary: In2S3 thin film was successfully deposited by spray pyrolysis at 340 degrees C, showing polycrystalline structure with grains of different sizes on a continuous surface. Electrical properties of the film indicate increasing conductance with temperature, with conduction mechanism explained by correlated barrier hopping model. The equivalent circuit for In2S3 film includes R and CPE connected in parallel.
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
(2021)
Article
Materials Science, Multidisciplinary
Esra Kus, Ayse Kucukarslan, Barbaros Demirselcuk, Emrah Sarica, Idris Akyuz, Vildan Bilgin
Summary: The study investigated the effect of Ni doping on Co3O4 films, showing that Ni doping significantly improved the crystallinity and electrical properties of the films, enhancing the electrical conductivity and making them suitable for technological applications.
Article
Engineering, Electrical & Electronic
M. Dharani Devi, A. Vimala Juliet, R. S. Rimal Isaac, M. Ramudu, V. Ganesh, Yugandhar Bitla, I. S. Yahia
Summary: The study investigated the effect of precursor solution volume on In2S3 films, finding that higher precursor solution volumes led to improved photo-responsivity and performance in photodetector devices.
JOURNAL OF ELECTRONIC MATERIALS
(2021)
Article
Optics
Xi Zeng, Jackson Lontchi, Maria Zhukova, Lionel Fourdrinier, Israr Qadir, Yi Ren, Esko Niemi, Guoli Li, Denis Flandre
Summary: This study demonstrates a highly broadband photo-sensitive In2S3/CIGS heterojunction photodiode with excellent photoresponsivity and detectivity. Additionally, the CIGS photodiode shows outstanding performance under weak light conditions as well.
Article
Materials Science, Multidisciplinary
Tunc Bektas, Ozge Surucu, Makbule Terlemezoglu, Mehmet Parlak
Summary: In this study, Sn-Sb-Se thin films were deposited by thermal evaporation and the effect of annealing on the films' structural, optical, and electrical properties were investigated. XRD measurement revealed that annealing at 300 degrees C resulted in the best crystalline quality, and structural parameters were determined using XRD data. SEM and AFM measurements showed surface deformation after annealing at 400 degrees C. UV-Vis spectroscopy measurement demonstrated a high absorption coefficient, indicating a direct band gap. The band gap and activation energies of the as-grown sample were determined to be 1.59 eV and 106.1 meV, respectively. The results of SEM, AFM, XRD, Raman, UV-Vis spectroscopy, and temperature-dependent photoconductivity measurements were discussed throughout the paper.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2023)
Article
Engineering, Electrical & Electronic
Kenta Moto, Keisuke Yamamoto, Toshifumi Imajo, Takashi Suemasu, Hiroshi Nakashima, Kaoru Toko
Summary: Thin-film transistor (TFT) applications of GeSn have attracted attention due to their ability to improve electronic device performance, with the appropriate amount of Sn effectively passivating defects in Ge and reducing the density of defect-induced acceptors and grain boundary traps to achieve a high Hall hole mobility (>200 cm(2) V-1 s(-1)). The performance of accumulation-mode TFTs fabricated under 400 degrees C strongly depended on the initial Sn concentration x(i), achieving both a high field-effect mobility (170 cm(2) V-1 s(-1)) and on/off ratio (10(3)) at x(i) = 1.6%. This performance was shown to be the highest among Ge-based TFTs with grain boundaries in the channel.
IEEE ELECTRON DEVICE LETTERS
(2021)
Article
Chemistry, Physical
Neslihan Akcay, Valery F. Gremenok, Yunus Ozen, Konstantin P. Buskis, Ellen P. Zaretskaya, Suleyman Ozcelik
Summary: A two-step process was used to prepare Cu2SnS3 films in this study, and the sulfurization time was found to significantly affect the films' structural, morphological, optical, and electrical characteristics. The films were found to exhibit two structural polymorphs of Cu2SnS3. The fabrication of devices using In2S3/Cu2SnS3 stacks showed slightly enhanced efficiency with annealing.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
Tyler Stabile, Yize Stephanie Li
Summary: This study investigates the deposition of strained alpha-Sn thin films on highly lattice-mismatched Ge (100) substrates by physical vapor deposition, using different cleaning methods. The results show that the morphology of thin films is significantly influenced by the cleaning method. It is demonstrated that the alpha-Sn thin films deposited on Ge substrates exhibit n-type electrical properties and may hold potential for advanced electronics and photonics applications.
MATERIALS TODAY ADVANCES
(2021)
Article
Materials Science, Coatings & Films
Edyta Kobierska, Stanislav Zak, Sabrina Hirn, Megan J. Cordill, Robert Franz, Marisa Rebelo de Figueiredo
Summary: In this study, the tribological properties of Mo films deposited on polyimide substrates were assessed using the ball-on-disc test. The wear mechanisms and induced stresses were analyzed by microscopy and simulation, providing insights into the tribological response of metallic films on compliant substrates.
SURFACE & COATINGS TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Jorge Gonzalez-Rodriguez, Lucia Fernandez, Zulema Vargas-Osorio, Carlos Vazquez-Vazquez, Yolanda Pineiro, Jose Rivas, Gumersindo Feijoo, Maria Teresa Moreira
Summary: The use of magnetic nanoparticles immobilized on SBA-15 mesoporous silica as Fenton and photo-Fenton catalysts under visible light irradiation shows promising potential for the efficient removal of recalcitrant pollutants in wastewater. The process demonstrates significant improvements in kinetic performance compared to traditional methods, with advantages including catalyst reusability, high removal efficiency, and ease of separation.
Article
Instruments & Instrumentation
Irene Santalices, Carlos Vazquez-Vazquez, Manuel J. Santander-Ortega, Victoria Lozano, Francisca Araujo, Bruno Sarmento, Neha Shrestha, Veronique Preat, Miguel Chenlo, Clara Alvarez, Federico Benetti, Juan Cunarro, Sulay Tovar, Dolores Torres, Maria Jose Alonso
Summary: The study developed and characterized a novel nanoemulsion for oral delivery of hydrophobically modified insulin. The nanoemulsion showed good stability, miscibility, and mucodiffusive behavior in vitro, as well as high interaction and internalization in cell cultures. Additionally, it demonstrated a moderate hypoglycemic response in both healthy and diabetic rat models.
DRUG DELIVERY AND TRANSLATIONAL RESEARCH
(2021)
Article
Engineering, Electrical & Electronic
B. Tiss, A. Ben Fradj, N. Bouguila, D. Cristea, C. Croitoru, M. Kraini, C. Vazquez-Vazquez, L. Cunha, C. Moura, S. Alaya
Summary: Indium sulfide thin films with varying amounts of silver doping were prepared and tested for photocatalytic activity in degrading methylene blue dye. The film with 1.4 at.% silver doping showed the highest photodegradation efficiency. Changes in silver concentration activated different conduction mechanisms in the films.
JOURNAL OF ELECTRONIC MATERIALS
(2021)
Correction
Instruments & Instrumentation
Irene Santalices, Carlos Vazquez-Vazquez, Manuel J. Santander-Ortega, Victoria Lozano, Francisca Araujo, Bruno Sarmento, Neha Shrestha, Veronique Preat, Miguel Chenlo, Clara V. Alvarez, Federico Benetti, Juan Cunarro, Sulay Tovar, Dolores Torres, Maria Jose Alonso
DRUG DELIVERY AND TRANSLATIONAL RESEARCH
(2021)
Article
Chemistry, Multidisciplinary
David Buceta, Blanca Dominguez, Sara Vieitez, Iria R. Arias, J. Manuel Ageitos, M. Carmen Blanco, Giampaolo Barone, Fernando Dominguez, M. Arturo Lopez-Quintela
Summary: Efficient separation of Ag-2 and Ag-3 clusters can be achieved by utilizing different entropic driving forces during their interaction with DNA. Pure Ag-2 can be found in the dialysate after sequential dialysis and denaturation of the DNA-Ag-3 complex, while free Ag-3 can be recovered after DNA denaturation.
Article
Chemistry, Physical
C. Tojo, D. Buceta, M. A. Lopez-Quintela
Summary: By conducting computer simulation studies, the mechanisms of surface composition formation of bimetallic nanoparticles under different synthesis conditions can be understood. The study results provide specific guidelines for experimental synthesis of bimetallic nanoparticles with tailored surfaces.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Engineering, Electrical & Electronic
N. Bouguila, Y. Bchiri, M. Kraini, R. Souissi, N. Hafienne, C. Vazquez-Vazquez, S. Alaya
Summary: In this study, copper sulfide film was prepared using spray pyrolysis process. The film exhibited a cubic structure and a homogeneous and dense surface. The film showed high absorbance with a gap energy of 1.87 eV. The photocurrent showed a power law and linear trend with light intensity and polarization, respectively. The film had excellent stability and semiconductor behavior. Based on these findings, the prepared copper sulfide film is suitable for optoelectronic applications.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Article
Engineering, Electrical & Electronic
Y. Bchiri, R. Souissi, B. Bouricha, N. Bouguila, M. Kraini, C. Vazquez-Vazquez, M. A. Lopez-Quintela, S. Alaya
Summary: In this study, In2S3 thin films were successfully deposited on glass substrates using a spray pyrolysis method, and their photoconductive properties were investigated by adjusting the S/In ratio. The best photosensitivity was achieved when the S/In ratio was 2. The relationship between photocurrent and light intensity follows a power law, while the relationship with bias voltage is linear.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Materials Science, Multidisciplinary
Ftema W. Aldbea, Subhiyah Aboulqasim Alameen, Carlos Vazquez-Vazquez, A. Sharma, Mabrouk Kraini, Mohamad Hossin
Summary: Silicon carbide (SiC) powders were synthesized using natural silica sands and sol-gel method, and characterized by X-ray diffraction and field emission scanning electron microscopy. Results showed the feasibility of low-cost SiC production for industrial applications.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Pharmacology & Pharmacy
Raneem Jatal, Sofia Mendes Saraiva, Carlos Vazquez-Vazquez, Eric Lelievre, Olivier Coqueret, Rafael Lopez-Lopez, Maria de la Fuente
Summary: The accumulation of senescent cells can lead to the development of age-related diseases, including cancer. Research has found that the 4N1Ks peptide has the potential to target and eliminate senescent cells. However, peptide drugs have limitations that reduce their efficacy, so the study proposes the use of biodegradable nanosystems decorated with the 4N1Ks peptide. Experimental results show that these nanosystems have suitable properties and demonstrate improved therapeutic effects on cancer cells.
INTERNATIONAL JOURNAL OF PHARMACEUTICS
(2022)
Article
Chemistry, Physical
Iria R. Arias, David Buceta, Giampaolo Barone, Maria C. Gimenez-Lopez, Hector Lozano, Massimo Lazzari, M. Arturo Lopez-Quintela
Summary: Silver nanoclusters of five atoms (Ag5) exhibit excellent catalytic activity in deactivating radicals and show potential applications in post-process inhibition of polymer degradation.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Manuel M. Paz, Alberto Peinador Veiga, Tamara Regueira, Carlos Vazquez Vazquez, Arturo Lopez Quintela
Summary: This article presents a simple and practical method to modify the surface properties of gold nanoparticles by acylation reaction with organic acid anhydride, allowing the preparation of gold nanoparticles with different surface chemistries using different ligands. This method offers the flexibility to tailor the surface chemistry of gold nanoparticles and has potential applications in various fields.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Shahana Huseyinova, Jose M. Blanco Trillo, Jose M. Ramallo-Lopez, Felix G. Requejo, David Buceta, M. Arturo Lopez-Quintela
Summary: We report an easily scalable synthesis method for the preparation of cysteine-capped Cu-10 clusters through the reduction of Cu(ii) ions with NaBH4, using Cu-5 clusters as catalysts. The presence of such catalytic clusters allows controlling the formation of the larger Cu-10 clusters and prevents the production of copper oxides or Cu(i)-cysteine complexes. The visible light-absorbing Cu-10 clusters, obtained by the cluster-catalysed method, display high photocatalytic activities for the decomposition of methyl orange with visible light.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2023)
Article
Physics, Multidisciplinary
J. Koaib, I Halidou, M. Kraini, N. Bouguila, C. Vazquez-Vazquez, M. A. Lopez-Quintela, S. Alaya
Summary: In2S3 thin films were grown on indium tin oxide-coated glass substrates using a chemical spray pyrolysis technique at different substrate temperatures. The films exhibited a combination of tetragonal and cubic structures, and the crystallite size increased with the substrate temperature. The surface topography analysis showed good adherence and homogeneity of the films on the substrate, but the surface roughness increased with the substrate temperature. The optical properties of the films varied with the substrate temperature, with the film deposited at 300 degrees C showing relatively high transmittance in the visible region, a direct optical band gap, and blue and green emissions in photoluminescence study.
INDIAN JOURNAL OF PHYSICS
(2023)
Proceedings Paper
Materials Science, Multidisciplinary
Ftema W. Aldbea, Subhiyah Aboulqasim Alameen, Carlos Vazquez Vazquez, A. Sharma, Mabrouk Kraini, Abdussalam Ali Ahmed, Pramod K. Singh
Summary: Silicon carbide powders were prepared using the sol-gel method with different carbon sources. XRD results showed the presence of three polytypes, while FESEM observations revealed various particle morphologies. Raman spectra exhibited characteristic peaks.
MATERIALS TODAY-PROCEEDINGS
(2022)
