Article
Chemistry, Physical
Mohd Faizan, M. Naseem Siddique, Shabbir Ahmad, P. Tripathi, Sk Riyajuddin
Summary: A series of single-phase ZrO2:x(0.02)Ce3+,y(0.01 and 0.03)Mn2+ nanophosphors with tunable luminescence have been prepared by chemical route, and the luminescence intensity decreases due to energy transfer to quenching sites. The ZrO2:Ce3+,Mn2+ nanophosphor shows promise for near UV-excited LEDs, and theoretical calculations were performed to study the properties of ZrO2 clusters.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Agricultural Engineering
Nadeem Tahir, Faiqa Nadeem, Farzana Jabeen, Reeta Rani Singhania, Umair Yaqub Qazi, Anil Kumar Patel, Rahat Javaid, Quanguo Zhang
Summary: This research investigated the role of excess charges in regulating biohydrogen production from Paulownia. The study found that Zn doping generated excess charges in SnO2 nanocatalysts, leading to increased hydrogen yield and production rate. The excess electrons provided by Zn doping enhanced bacterial metabolism, enzymatic process, and eventually hydrogen production.
BIORESOURCE TECHNOLOGY
(2022)
Article
Engineering, Electrical & Electronic
W. Azzaoui, M. Medles, R. Miloua, A. Nakrela, A. Bouzidi, M. Khadraoui, A. Da Costa, M. Huve, F. Bessuelle, R. Desfeux
Summary: Un-doped, Zn-doped, and Al-Zn co-doped CdO thin films were deposited onto glass substrates by spray pyrolysis. XRD analysis confirmed their cubic structure and successful incorporation of the dopants. Optical measurements showed increased transmittance and the direct band gap of the films ranged from 2.41 to 2.50 eV. All films exhibited n-type conductivity with low electrical resistivity. The Al-Zn co-doped CdO film with 1% Al and 3% Zn showed the highest carrier concentration.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Chemistry, Physical
Ting Lv, Jiquan Huang, Zhonghua Deng, Changliang Yang, Wang Guo
Summary: In this study, a series of deep-red emitting Ca14Al9.8Zn6-xMg0.1+xMn0.1O35 phosphors with high quantum yield and low thermal quenching effect were fabricated by partially substituting Mg for Zn. These phosphors demonstrate great potential applications in LED devices.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Nanoscience & Nanotechnology
Ameer Baig Ali Baig, Vadamalar Rathinam, Velukumar Ramya
Summary: Pure and Zn-doped SnO2 nanoparticles were prepared via a hydrothermal assisted precipitation method. The 4% Zn-doped SnO2 showed superior photocatalytic performance and visibility under visible light treatment.
ADVANCED COMPOSITES AND HYBRID MATERIALS
(2021)
Article
Chemistry, Inorganic & Nuclear
Song Li, Wei Hu, Mikhail G. Brik, Shixun Lian, Zhongxian Qiu
Summary: Non-rare earth doped red phosphors are attracting attention for warm-white lighting and indoor plant cultivation. This study successfully synthesized two kinds of Mn2+-doped red-emitting phosphors with good thermal stability, and their emission wavelengths and spectral properties are well-matched with application requirements.
INORGANIC CHEMISTRY FRONTIERS
(2022)
Article
Chemistry, Physical
B. Bondzior, T. H. Q. Vu, D. Stefanska, M. J. Winiarski, P. J. Deren
Summary: Four tungstate double-perovskite materials were synthesized using co-precipitation method, exhibiting blue emission under UV excitation. The energy levels of different centers can be altered by substitutions at the A and B sites, influencing the luminescent properties. This ability to control emission wavelength and thermal stability is important for designing novel luminescent thermometers.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Environmental Sciences
S. P. Keerthana, R. Yuvakkumar, G. Ravi, M. Manimegalai, Mehboobali Pannipara, Abdullah G. Al-Sehemi, Ramu Adam Gopal, Marlia M. Hanafiah, Dhayalan Velauthapillai
Summary: In this study, doping and addition of surfactant were used to enhance the photocatalytic activity of SnO2 nanostructures. The synthesized SDS-(Zn-SnO2) nanostructure showed a 90% degradation rate of RhB dye under visible light, which was 2.5 times higher than the pristine sample. The narrowing of bandgap, smaller crystallite size, and improved growth of nanostructures in SDS-(Zn-SnO2) contributed to its superior performance in degrading toxic pollutants, making it a potential competitor in future wastewater treatment research.
ENVIRONMENTAL RESEARCH
(2021)
Article
Materials Science, Ceramics
Lidija Molcanov, Lidija Andros Dubraja, Martina Vrankic, Marijana Juric
Summary: A 3D heterometallic oxalate-bridged coordination polymer showed dual functionality as a photocatalyst for organic dye removal and a precursor for the preparation of copper ferrite nanocrystals. The phase composition of the thermal processing was evaluated by optimizing temperature levels and heating rate, resulting in the formation of tetragonal and cubic CuFe2O4 phases. High-temperature cubic CuFe2O4 oxide was obtained through heating and quenching the compound. The optical bandgap energies were estimated for both metal oxide and precursor powder.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2023)
Article
Materials Science, Ceramics
Nuha Y. Elamin, T. Indumathi, E. Ranjith Kumar
Summary: Green synthesis was used to prepare SnO2 and SFO nanoparticles from Morinda citrifolia leaf extracts, avoiding the use of toxic chemicals and providing a cost-effective and environmentally friendly approach. The synthesized nanoparticles showed promising antibacterial and anticancer activities, suggesting their potential applications in healthcare and human health improvement.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Multidisciplinary
Nishant Shukla, Pawan Chetri, Gazi A. Ahmed
Summary: The study investigates the observation of structural, optical, and magnetic properties of Eu2+ doped SnO2 nano particles, showing that the introduction of Eu affects the crystallite size and band gap, as well as the magnetic behavior. The presence of Eu2+ is confirmed, and the effect of Eu concentration on nonradiative energy transfer is observed. Density functional theory is employed to justify the results and predict the behavior of the lattice sites and magnetic ground state.
JOURNAL OF MATERIALS SCIENCE
(2021)
Article
Environmental Sciences
Tauseef Munawar, Muhammad Shahid Nadeem, Faisal Mukhtar, Muhammad Naveed Ur Rehman, Muhammad Riaz, Sana Batool, Murtaza Hasan, Faisal Iqbal
Summary: In this study, pristine and transition metal-doped SnO2 nanocrystals were synthesized using a sol-gel approach, and anchored on graphene oxide sheets to fabricate binary nanocomposites. The structural, optical, and morphological properties of the samples were studied, and it was found that integrating SnO2 with transition metal doping and graphene oxide composite can greatly enhance their photocatalytic and antibacterial properties.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Chemistry, Physical
Katarzyna Bejtka, Nicolo B. D. Monti, Adriano Sacco, Micaela Castellino, Samuele Porro, M. Amin Farkhondehfal, Juqin Zeng, Candido F. Pirri, Angelica Chiodoni
Summary: By doping SnO2 with Zn or Ti, the amount of oxygen vacancies is increased, leading to improved CO2 conversion efficiency, with Zn wet impregnation being the most effective method. Doping increases the availability of surface active sites, and Zn doping in particular enhances formic acid formation performance.
Article
Engineering, Electrical & Electronic
Yinxi Zhang, Shengyan Ge, Mengyao Shao, Wang Ke, Lu Tao, Xingfu Zhou
Summary: This study doped Mn into Ti/SnO2-Sb electrodes and found that the doped electrodes exhibited better electrochemical performance. The experiment also showed that the molar ratio of Sn:Sb:Mn and the number of coating layers influenced the electrochemical performance. Under the optimal conditions, the Mn-doped electrode achieved a high decolorization rate of dye wastewater at a low cell voltage.
JOURNAL OF ELECTRONIC MATERIALS
(2022)
Article
Materials Science, Ceramics
Daniil Kolokolov, Anna Fomkina, Anastasiia Podurets, Ksenia Cherkashina, Ilya Kolesnikov, Natalia Bobrysheva, Mikhail Osmolowsky, Andrey Bulatov, Mikhail Voznesenskiy, Olga Osmolovskaya
Summary: A new methodology for obtaining Tb-doped SnO2 nanoparticles was developed. The growth mechanism of nanoparticles and the luminescence characteristics were studied. A new factor affecting photocatalytic efficiency was discovered - the ratio of vacancies to defects.
CERAMICS INTERNATIONAL
(2023)
