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Journal articles on the topic 'AG29'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

AbdulHalim, Lina G., Megalamane S. Bootharaju, Qing Tang, et al. "Ag29(BDT)12(TPP)4: A Tetravalent Nanocluster." Journal of the American Chemical Society 137, no. 37 (2015): 11970–75. http://dx.doi.org/10.1021/jacs.5b04547.

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2

Yoshida, Hiroto, Masahiro Ehara, U. Deva Priyakumar, Tsuyoshi Kawai, and Takuya Nakashima. "Enantioseparation and chiral induction in Ag29 nanoclusters with intrinsic chirality." Chemical Science 11, no. 9 (2020): 2394–400. http://dx.doi.org/10.1039/c9sc05299b.

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3

van der Linden, Marte, Arjan Barendregt, Arnoldus J. van Bunningen, et al. "Characterisation, degradation and regeneration of luminescent Ag29 clusters in solution." Nanoscale 8, no. 47 (2016): 19901–9. http://dx.doi.org/10.1039/c6nr04958c.

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4

Zeng, Yuan, Shana Havenridge, Mustafa Gharib, et al. "Impact of Ligands on Structural and Optical Properties of Ag29 Nanoclusters." Journal of the American Chemical Society 143, no. 25 (2021): 9405–14. http://dx.doi.org/10.1021/jacs.1c01799.

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5

Yoshida, Hiroto, Jatish Kumar, Masahiro Ehara, et al. "Impact of Enantiomeric Ligand Composition on the Photophysical Properties of Chiral Ag29 Nanoclusters." Bulletin of the Chemical Society of Japan 93, no. 7 (2020): 834–40. http://dx.doi.org/10.1246/bcsj.20200089.

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6

Aly, Shawkat M., Lina G. AbdulHalim, Tabot M. D. Besong, Giada Soldan, Osman M. Bakr, and Omar F. Mohammed. "Ultrafast static and diffusion-controlled electron transfer at Ag29 nanocluster/molecular acceptor interfaces." Nanoscale 8, no. 10 (2016): 5412–16. http://dx.doi.org/10.1039/c5nr05328e.

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We quantitatively separate the contributions of static and collision-caused photo-induced electron transfer from Ag<sub>29</sub>NC clusters to MV<sup>2+</sup> through both transient absorption and time-resolved fluorescence experiments.

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7

Baksi, Ananya, Erik Karsten Schneider, Patrick Weis, et al. "Linear Size Contraction of Ligand Protected Ag29 Clusters by Substituting Ag with Cu." ACS Nano 14, no. 11 (2020): 15064–70. http://dx.doi.org/10.1021/acsnano.0c05082.

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8

Reyna, Albert S., Isabelle Russier-Antoine, Franck Bertorelle, et al. "Nonlinear Refraction and Absorption of Ag29 Nanoclusters: Evidence for Two-Photon Absorption Saturation." Journal of Physical Chemistry C 122, no. 32 (2018): 18682–89. http://dx.doi.org/10.1021/acs.jpcc.8b03550.

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9

Russier-Antoine, Isabelle, Franck Bertorelle, Ramzi Hamouda, et al. "Tuning Ag29 nanocluster light emission from red to blue with one and two-photon excitation." Nanoscale 8, no. 5 (2016): 2892–98. http://dx.doi.org/10.1039/c5nr08122j.

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10

Chakraborty, Papri, Abhijit Nag, Ganesan Paramasivam, Ganapati Natarajan, and Thalappil Pradeep. "Fullerene-Functionalized Monolayer-Protected Silver Clusters: [Ag29(BDT)12(C60)n]3– (n = 1–9)." ACS Nano 12, no. 3 (2018): 2415–25. http://dx.doi.org/10.1021/acsnano.7b07759.

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11

Sugi, Korath Shivan, Gangapuram Mallikarjunachari, Anirban Som, Pijush Ghosh, and Thalappil Pradeep. "Probing the Mechanical Response of Luminescent Dithiol-Protected Ag29 (BDT)12 (TPP)4 Cluster Crystals." ChemNanoMat 4, no. 4 (2018): 401–8. http://dx.doi.org/10.1002/cnma.201700371.

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12

Veenstra, Aron P., Laurenz Monzel, Ananya Baksi, et al. "Ultrafast Intersystem Crossing in Isolated Ag29(BDT)123– Probed by Time-Resolved Pump–Probe Photoelectron Spectroscopy." Journal of Physical Chemistry Letters 11, no. 7 (2020): 2675–81. http://dx.doi.org/10.1021/acs.jpclett.0c00482.

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13

Juarez-Mosqueda, Rosalba, Sami Malola, and Hannu Häkkinen. "Stability, electronic structure, and optical properties of protected gold-doped silver Ag29−xAux (x = 0–5) nanoclusters." Physical Chemistry Chemical Physics 19, no. 21 (2017): 13868–74. http://dx.doi.org/10.1039/c7cp01440f.

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The stability and optical properties of Au-doped [Ag<sub>29−x</sub>Au<sub>x</sub>(BDT)<sub>12</sub>(TPP)<sub>4</sub>]<sup>3−</sup> nanoclusters are importantly determined by the formation of Au–TPP bonds.

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14

Chakraborty, Papri, Ananya Baksi, Sathish Kumar Mudedla, et al. "Understanding proton capture and cation-induced dimerization of [Ag29(BDT)12]3−clusters by ion mobility mass spectrometry." Physical Chemistry Chemical Physics 20, no. 11 (2018): 7593–603. http://dx.doi.org/10.1039/c7cp08181b.

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15

Ahmed, Ghada H., Manas R. Parida, Alberto Tosato, et al. "The impact of electrostatic interactions on ultrafast charge transfer at Ag29 nanoclusters–fullerene and CdTe quantum dots–fullerene interfaces." Journal of Materials Chemistry C 4, no. 14 (2016): 2894–900. http://dx.doi.org/10.1039/c5tc02927a.

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16

Nag, Abhijit, Papri Chakraborty, Mohammad Bodiuzzaman, Tripti Ahuja, Sudhadevi Antharjanam, and Thalappil Pradeep. "Polymorphism of Ag29(BDT)12(TPP)43− cluster: interactions of secondary ligands and their effect on solid state luminescence." Nanoscale 10, no. 21 (2018): 9851–55. http://dx.doi.org/10.1039/c8nr02629g.

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We present the first example of polymorphism (cubic & trigonal) in single crystals of an atomically precise monolayer protected cluster, Ag<sub>29</sub>(BDT)<sub>12</sub>(TPP)<sub>4</sub><sup>3−</sup>.

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17

Kasuya, Yusuke, Toshiki Suhara, Tomokatsu Hayakawa, Philippe Thomas, and Masayuki Nogami. "Glass Structures and Linea/Nonlinear Optical Properties of Ag₂O-Doped TeO₂ Glasses." Key Engineering Materials 617 (June 2014): 141–44. http://dx.doi.org/10.4028/www.scientific.net/kem.617.141.

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A family of TeO2-based glasses is known to have high third-order nonlinear properties and expected as nonlinear optical devices. In the present study, we fabricated Ag2O-TeO2 and Ag2O-Nb2O5-TeO2 glasses, and estimated their structures and linear/nonlinear optical properties. The main results showed that the absorption-edge of the glasses was shifted to longer wavelength side with increasing Ag2O content. By Raman spectroscopy, it was found that an increase in Ag2O content promoted to change TeO4 to TeO3/TeO3+1 units. X-ray photoelectron spectroscopy (XPS) revealed the presence of an electronic

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18

Black, David M., Geronimo Robles, Priscilla Lopez, Stephan B. H. Bach, Marcos Alvarez, and Robert L. Whetten. "Liquid Chromatography Separation and Mass Spectrometry Detection of Silver-Lipoate Ag29(LA)12 Nanoclusters: Evidence of Isomerism in the Solution Phase." Analytical Chemistry 90, no. 3 (2018): 2010–17. http://dx.doi.org/10.1021/acs.analchem.7b04104.

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19

Lopez, Priscilla, Humberto H. Lara, Sean M. Mullins та ін. "Tetrahedral (T) Closed-Shell Cluster of 29 Silver Atoms & 12 Lipoate Ligands, [Ag29(R-α-LA)12](3−): Antibacterial and Antifungal Activity". ACS Applied Nano Materials 1, № 4 (2018): 1595–602. http://dx.doi.org/10.1021/acsanm.8b00069.

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20

Ruiz, Diego, Martín Mizrahi, Harrisson D. A. Santos, et al. "Synthesis and characterization of Ag2S and Ag2S/Ag2(S,Se) NIR nanocrystals." Nanoscale 11, no. 18 (2019): 9194–200. http://dx.doi.org/10.1039/c9nr02087j.

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21

Niihori, Yoshiki, Naoya Takahashi, and Masaaki Mitsui. "Photophysical and Thermodynamic Properties of Ag29(BDT)12(TPP)x (x = 0–4) Clusters in Secondary Ligand Binding–Dissociation Equilibria Unraveled by Photoluminescence Analysis." Journal of Physical Chemistry C 124, no. 10 (2020): 5880–86. http://dx.doi.org/10.1021/acs.jpcc.9b11928.

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22

Ghosh, Atanu, Debasmita Ghosh, Esma Khatun, Papri Chakraborty, and Thalappil Pradeep. "Unusual reactivity of dithiol protected clusters in comparison to monothiol protected clusters: studies using Ag51(BDT)19(TPP)3and Ag29(BDT)12(TPP)4." Nanoscale 9, no. 3 (2017): 1068–77. http://dx.doi.org/10.1039/c6nr07692k.

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23

Du, Liu, Zhang, et al. "Facile Synthesis of a Polycatenane Compound Based on Ag-triazole Complexes and Phosphomolybdic Acid for the Catalytic Epoxidation of Olefins with Molecular Oxygen." Catalysts 9, no. 7 (2019): 568. http://dx.doi.org/10.3390/catal9070568.

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A simple and efficient approach was developed for synthesizing a metal-organic polycatenated compound composed of Ag-triazole complexes and phosphomolybdic acid (PMA) clusters. The hybrid compound, namely {[Ag2(trz)2] [Ag24(trz)18]}[PMo12O40]2 (1) (trz = 1,2,4-triazole), showed high catalytic activity, selectivity and recyclability for the epoxidation of olefins with molecular oxygen as the oxidant and isobutyraldehyde as the co-reagent, and could even work well under ambient conditions. The special polycatenane framework, formed by interlocking [Ag24(trz)18]6+ nanocages, provides suitable spa

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24

Sun, Di, Cheng-Feng Yang, Zhan-Hua Wei, et al. "Self-assembly of a Novel Three-dimensional Silver(I) Supramolecular Framework from Cationic Chains and Anionic Sheets." Zeitschrift für Naturforschung B 65, no. 2 (2010): 152–56. http://dx.doi.org/10.1515/znb-2010-0209.

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A new three-dimensional (3D) supramolecular framework, [Ag2(bipy)2(bdc)·4H2O]n 1, has been synthesized by the ultrasonic reaction of Ag2O, bipy and H2bdc (H2bdc = 1,4-benzenedicarboxylic acid; bipy = 4,4’-bipyridine) at room temperature. It exhibits a new 3D supramolecular framework which is built from cationic Ag-bipy chains and anionic bdc-H2O sheets through hydrogen bonds, π · · ·π stacking and C-H· · ·π interactions. Additionally, the photoluminescent and thermal properties of 1 were investigated.

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25

Danner, M. A., J. Z. Ribeiro, F. Zanette, J. V. M. Bittencourt, and A. M. Sebbenn. "Mendelian segregation in eight microsatellite loci from hand- and open-pollinated progenies of Araucaria angustifolia (Bert.) O. Kuntze (Araucariaceae)." Silvae Genetica 62, no. 1-6 (2013): 18–24. http://dx.doi.org/10.1515/sg-2013-0003.

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Abstract In order to use molecular markers in population genetics studies, it is important to confirm that the molecular markers used present a Mendelian segregation. The aim of this paper was to investigate the genetic segregation of eight microsatellite loci of Araucaria angustifolia (Bert.) O. Kuntze (Araucariaceae). The study was carried out comparing genetic segregation in hand- and open-pollinated progenies of maternal dioecious and monoecious trees. The Mendelian segregation was confirmed for all eight loci studied (Ag20, Ag23, Ag45, Aang01, Aang14, Aang28, As90 and CRCAc1), as no devia

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26

Du, Yang, Zong-Jie Guan, Zhao-Rui Wen, Yu-Mei Lin, and Quan-Ming Wang. "Ligand-Controlled Doping Effects in Alloy Nanoclusters Au4 Ag23 and Au5 Ag24." Chemistry - A European Journal 24, no. 60 (2018): 16029–35. http://dx.doi.org/10.1002/chem.201803683.

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27

Lyu, Lian-Ming, and Michael H. Huang. "Formation of Ag2S Cages from Polyhedral Ag2O Nanocrystals and their Electrochemical Properties." Chemistry - An Asian Journal 8, no. 8 (2013): 1847–53. http://dx.doi.org/10.1002/asia.201300066.

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28

Dixon, David A., and James L. Gole. "Description of the ground state electronic structures of Cu2O, Cu2S, Ag2O and Ag2S." Chemical Physics Letters 189, no. 4-5 (1992): 390–94. http://dx.doi.org/10.1016/0009-2614(92)85220-5.

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29

Tan, Yu-Ling, Ling Yang, Tian-Chen Yu, et al. "Solvent-driven reversible transformation between electrically neutral thiolate protected Ag25 and Ag26 clusters." Science China Chemistry 64, no. 6 (2021): 948–52. http://dx.doi.org/10.1007/s11426-020-9952-x.

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30

Wang, Shuxin, Shan Jin, Sha Yang, et al. "Total structure determination of surface doping [Ag46Au24(SR)32](BPh4)2 nanocluster and its structure-related catalytic property." Science Advances 1, no. 7 (2015): e1500441. http://dx.doi.org/10.1126/sciadv.1500441.

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The structure effect is widely present in the catalysis of alloy systems. However, the surface structure of this system is still ambiguous because of the limitations of the current surface characterization tools. We reported the x-ray crystallographic structure of the first and the largest AgAu alloy nanocluster with a doping shell formulated as [Ag46Au24(SR)32](BPh4)2. This nanocluster consists of an achiral bimetallic Ag2@Au18@Ag20 core protected by a chiral Ag24Au6(SR)32 shell. The catalysis experiments further revealed that the surface structure affects the selectivity of products signific

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31

Liang, Yuan-Chang, and Yen-Chen Liu. "Design of Nanoscaled Surface Morphology of TiO2–Ag2O Composite Nanorods through Sputtering Decoration Process and Their Low-Concentration NO2 Gas-Sensing Behaviors." Nanomaterials 9, no. 8 (2019): 1150. http://dx.doi.org/10.3390/nano9081150.

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TiO2–Ag2O composite nanorods with various Ag2O configurations were synthesized by a two-step process, in which the core TiO2 nanorods were prepared by the hydrothermal method and subsequently the Ag2O crystals were deposited by sputtering deposition. Two types of the TiO2–Ag2O composite nanorods were fabricated; specifically, discrete Ag2O particle-decorated TiO2 composite nanorods and layered Ag2O-encapsulated TiO2 core–shell nanorods were designed by controlling the sputtering duration of the Ag2O. The structural analysis revealed that the TiO2–Ag2O composite nanorods have high crystallinity

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32

Tian, Z., and C. Song. "THEORETICAL STUDY ON THE STRUCTURES AND GROWTH MECHANISMS OF Ag-RICH CLUSTERS: Ag(Ag2S)n AND Ag2(Ag2S)n (n = 1–6)." Journal of Structural Chemistry 61, no. 10 (2020): 1541–50. http://dx.doi.org/10.1134/s0022476620100066.

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33

Zhang, Zuowei, Hongshun Hao, Hang Yang, et al. "UV-Vis-NIR-light-driven Ag2O/Ag2S/CuBi2O4 double Z-scheme configuration for enhanced photocatalytic applications." Materials Science in Semiconductor Processing 126 (May 2021): 105668. http://dx.doi.org/10.1016/j.mssp.2021.105668.

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34

Di, Lijing, Hua Yang, Tao Xian, Xueqin Liu, and Xiujuan Chen. "Photocatalytic and Photo-Fenton Catalytic Degradation Activities of Z-Scheme Ag2S/BiFeO3 Heterojunction Composites under Visible-Light Irradiation." Nanomaterials 9, no. 3 (2019): 399. http://dx.doi.org/10.3390/nano9030399.

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Z-scheme Ag2S/BiFeO3 heterojunction composites were successfully prepared through a precipitation method. The morphology and microstructure characterization demonstrate that Ag2S nanoparticles (30–50 nm) are well-decorated on the surfaces of polyhedral BiFeO3 particles (500–800 nm) to form Ag2S/BiFeO3 heterojunctions. The photocatalytic and photo-Fenton catalytic activities of the as-derived Ag2S/BiFeO3 heterojunction composites were evaluated by the degradation of methyl orange (MO) under visible-light irradiation. The photocatalytic result indicates that the Ag2S/BiFeO3 composites exhibit mu

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35

Jiao, Ruo Bing, Tao Wu, Bo Ping Zhang, and Liang Liang Li. "Firing and Contact Resistivity of Ag₂O-Aided Pb-Free Silver Paste for Crystalline Silicon Solar Cells." Materials Science Forum 847 (March 2016): 123–30. http://dx.doi.org/10.4028/www.scientific.net/msf.847.123.

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The silver pastes containing Ag2O powder, Ag powder, α-terpineol, ethyl-cellulose and Pb-free glass were synthesized for crystalline silicon (c-Si) solar cells. It was found that α-terpineol assisted the decomposition of Ag2O powder and effectively lowered the decomposition temperature of Ag2O. Ag nanoparticles were produced during the decomposition of Ag2O, which helped to reduce the sintering temperature of the silver pastes. The Ag2O-aided silver pastes were fired on polycrystalline silicon solar cells at various temperatures, and large plate-shaped Ag crystallites appeared at the interface

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36

Ayanwale, Ayodeji Precious, Alvaro de Jesús Ruíz-Baltazar, León Espinoza-Cristóbal, and Simón Yobanny Reyes-López. "Bactericidal Activity Study of ZrO2-Ag2O Nanoparticles." Dose-Response 18, no. 3 (2020): 155932582094137. http://dx.doi.org/10.1177/1559325820941374.

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In view of the continuous resistance to antibacterial agents by bacteria and the existing problems of silver nanoparticles as an antibacterial agent, this study reports on the synthesis of pure zirconium oxide, silver oxide, and ZrO2-Ag2O nanoparticles by sol-gel method. The nanoparticles were analyzed and tested for their antibacterial activity against gram-positive bacteria of Bacillus subtilis, Streptococcus mutans, Staphylococcus aureus, and gram-negative of Escherichia coli, Pseudomonas aeruginosa, and Klebsiella oxytoca. X-ray diffraction showed the monoclinic ZrO2, cubic Ag2O, and peaks

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37

Садовников, С. И. "Упругие свойства нанокристаллических кубических сульфидов Ag-=SUB=-2-=/SUB=-S и ZnS". Физика твердого тела 63, № 9 (2021): 1407. http://dx.doi.org/10.21883/ftt.2021.09.51278.067.

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The structure of Ag2S/ZnS heteronanostructures is considered taking into account the anisotropy of the elastic properties of Ag2S and ZnS sulfides. It is shown that a large amount of cubic zinc sulfide stabilizes the cubic structure of beta-Ag2S argentite at 300 K during the deposition of Ag2S/ZnS heteronanostructures from colloidal solutions. The elastic stiffness constants c11, c12, and c44 of cubic argentite beta-Ag2S and sphalerite ZnS are estimated at a temperature of 300 K. Physically possible variants of the arrangement of silver atoms at fixed crystallographic positions of cubic argent

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38

Ремпель, C. B., Ю. В. Кузнецова, Е. Ю. Герасимов та A. A. Ремпель. "Влияние облучения на свойства коллоидных наночастиц сульфида серебра (Ag-=SUB=-2-=/SUB=-S)". Физика твердого тела 59, № 8 (2017): 1604. http://dx.doi.org/10.21883/ftt.2017.08.44765.452.

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Исследованы водные растворы, содержащие наночастицы сульфида серебра (Ag2S), из разных областей стабильности. Стабильный прозрачный и мутный растворы выдерживались при дневном свете в течение семи месяцев, подвергались воздействию ультрафиолетового и лазерного излучения, а также электронного пучка. Облучение солнечным светом приводит к восстановлению Ag2S в растворе до Ag и/или образованию гибридных наночастиц Ag2S/Ag. При существенной концентрации гибридных наночастиц экситон-плазмонное взаимодействие приводит к появлению асимметрии в спектрах поглощения. Воздействие электронным пучком на оса

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39

El-Ghmari, Brahim, Hanane Farah, and Abdellah Ech-Chahad. "A New Approach for the Green Biosynthesis of Silver Oxide Nanoparticles Ag2O, Characterization and Catalytic Application." Bulletin of Chemical Reaction Engineering & Catalysis 16, no. 3 (2021): 651–60. http://dx.doi.org/10.9767/bcrec.16.3.11577.651-660.

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In this paper, a facile and green approach for the synthesis of silver oxide nanoparticles Ag2O NPs was performed using the extract of the wild plant Herniaria hirsuta (H. hirsuta). Different spectral methods were used for the characterization of the biosynthesized Ag2O NPs, ultraviolet-visible (UV-Vis) spectroscopy gave a surface plasmon resonance (SPR) peak of Ag2O NPs is 430 nm, estimation of direct and indirect forbidden gap bands are respectively 3.76 eV and 3.68 eV; Fourier transform infrared (FTIR) spectral analysis revealed the groups responsible for the stability and synthesis of Ag2O

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40

Meleshko, А. A., A. G. Afinogenova, G. E. Afinogenov, A. A. Spiridonova та V. P. Tolstoy. "Аntibacterial inorganic agents: efficiency of using multicomponent systems". Russian Journal of Infection and Immunity 10, № 4 (2020): 639–54. http://dx.doi.org/10.15789/2220-7619-aia-1512.

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Metal and metal oxide nanoparticles (NPs) are promising antibacterial agents. They have a broad antimicrobial activity against both Gram-positive and Gram-negative bacteria, viruses, and protozoans. The use of NPs reduces the possibility of the microbial resistance development. This review briefly shows the general mechanisms and the main factors of antibacterial activity of NPs. In this article, a comprehensive review of the recent researches in the field of new antimicrobial agents with superior long-term bactericidal activity and low toxicity is provided. The review gives the examples of sy

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41

Садовников, С. И., та А. И. Гусев. "Тепловое расширение и теплоемкость нанокристаллического и крупнокристаллического сульфида серебра Ag-=SUB=-2-=/SUB=-S". Физика твердого тела 59, № 9 (2017): 1863. http://dx.doi.org/10.21883/ftt.2017.09.44863.061.

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Впервые методами дилатометрии и дифференциальной сканирующей калориметрии изучены тепловое расширение и теплоемкость крупнокристаллического и нанокристаллического сульфида серебра Ag2S в интервале температур 290-970 K. Установлено, что коэффициент термического расширения и теплоемкость нанокристаллического сульфида серебра в изученной области температур больше, чем в случае крупнокристаллического сульфида. Установлено, что превращения акантита alpha-Ag2S в аргентит beta-Ag2S и аргентита beta-Ag2S в фазу gamma-Ag2S являются фазовыми переходами первого рода, определены температуры и энтальпии эт

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42

Di, Lijing, Tao Xian, Xiaofeng Sun, et al. "Facile Preparation of CNT/Ag2S Nanocomposites with Improved Visible and NIR Light Photocatalytic Degradation Activity and Their Catalytic Mechanism." Micromachines 10, no. 8 (2019): 503. http://dx.doi.org/10.3390/mi10080503.

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In this work, a series of carbon nanotubes (CNT)/Ag2S hybrid nanocomposites were successfully prepared by a facile precipitation method. Transmission electron microscope (TEM) observation indicates that Ag2S nanoparticles with an average particle size of ~25 nm are uniformly anchored on the surface of CNT. The photocatalytic activities of the CNT/Ag2S nanocomposites were investigated toward the degradation of rhodamine B (RhB) under visible and near-infrared (NIR) light irradiation. It is shown that the nanocomposites exhibit obviously enhanced visible and NIR light photocatalytic activities c

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43

Ma, Zhao, Xian, et al. "Highly Dispersed Ag2S Nanoparticles: In Situ Synthesis, Size Control, and Modification to Mechanical and Tribological Properties towards Nanocomposite Coatings." Nanomaterials 9, no. 9 (2019): 1308. http://dx.doi.org/10.3390/nano9091308.

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A facile in situ synthesis approach and a size control strategy were established to obtain Ag2S nanoparticles in polyimide (PI) composite coatings. Such Ag2S nanoparticles in the composite coatings were characterized, and the effects of the as-obtained Ag2S nanoparticles of different sizes on the mechanical and tribological properties of the nanocomposite coatings were investigated. Results indicate that the in situ synthesized Ag2S nanoparticles exhibited good dispersibility and bimodal and multimodal size distribution in the nanocomposite coatings. The size of the Ag2S nanoparticles can be e

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Hashmi, Lubna, Prabha Sana, M. M. Malik, A. H. Siddiqui, and M. S. Qureshi. "Novel Fork Architectures of Ag₂S Nanoparticles Synthesized through In Situ Self-Assembly inside Chitosan Matrix." Nano Hybrids 1 (May 2012): 23–43. http://dx.doi.org/10.4028/www.scientific.net/nh.1.23.

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In a simple reaction between Silver nitrate and Thiourea under the presence of Chitosan, novel fork architectures of silver sulfide (Ag2S) were obtained through In-situ self-assembly of Ag2S nanoparticles inside Chitosan matrix in aqueous basic environment. Samples were characterized by SEM, TEM, XRD, FTIR, Raman Spectroscopy and UV-vis Spectroscopy. Average particle size was found to be 8 nm from TEM analysis. Formation of crystalline monoclinic α-Ag2S was confirmed by SAED and X-ray diffraction analysis. The experimental results show that the fork architectures of Ag2S can be obtained from T

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Liu, Jingyuan, Xinyi Xue, Xin Zhou, Gang Chen, and Wei Liu. "Effect of anisotropic conductivity of Ag2S-modified ZnmIn2S3+m (m = 1, 5) on the photocatalytic properties in solar hydrogen evolution." RSC Advances 11, no. 43 (2021): 26908–14. http://dx.doi.org/10.1039/d1ra05413a.

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The anisotropic carrier transport property of Ag2S/Zn5In2S8 is substantially stronger than that of Ag2S/ZnIn2S4, resulting in higher bulk carrier separation rate and photocatalytic hydrogen evolution performance of Ag2S/Zn5In2S8.

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Anjum, Muzammil, Rajeev Kumar, Hasan A. Al-Talhi, Saleh A. Mohamed, and M. A. Barakat. "Valorization of biogas production through disintegration of waste activated sludge using visible light ZnO-ZnS/Ag2O-Ag2S photocatalyst." Process Safety and Environmental Protection 119 (October 2018): 330–39. http://dx.doi.org/10.1016/j.psep.2018.08.022.

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Huang, Jiwei, Changlong Yang, Qiang Song, Dongxue Liu, and Li Li. "Photocatalytic performance of Ag2S/ZnO/ZnS nanocomposites with high visible light response prepared via microwave-assisted hydrothermal two-step method." Water Science and Technology 78, no. 8 (2018): 1802–11. http://dx.doi.org/10.2166/wst.2018.466.

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Abstract A series of different ratios of Ag2S/ZnO/ZnS nanocomposites with visible light response were prepared by a microwave-assisted hydrothermal two-step method, whose composition, crystalline structure, morphology and surface physicochemical properties were well-characterized via X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), UV–vis diffuse reflectance spectroscopy (UV–vis/DRS), photoluminescence spectrum (PL), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HR-TEM) and N2 adsorption–desorption measurements. Results showed that as-com

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Zhang, Qian, Man Li, Chunling Qin, Zhifeng Wang, Weimin Zhao, and Yongyan Li. "Flexible Free-Standing CuxO/Ag2O (x = 1, 2) Nanowires Integrated with Nanoporous Cu-Ag Network Composite for Glucose Sensing." Nanomaterials 10, no. 2 (2020): 357. http://dx.doi.org/10.3390/nano10020357.

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To improve glucose electrocatalytic performance, one efficient manner is to develop a novel Cu-Ag bimetallic composite with fertile porosity and unique architecture. Herein, the self-supported electrode with CuxO/Ag2O (x = 1, 2) nanowires grown in-situ on a nanoporous Cu-Ag network (CuxO/Ag2O@NP-CuAg) has been successfully designed by a facile two-step approach. The integrated hierarchical porous structure, the tip-converged CuxO/Ag2O nanowires combined with the interconnected porous conductive substrate, are favorable to provide more reactive sites and improve ions or electrons transportation

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Protsenko, O. V., Ya Yasinskiy, I. I. Horiunova, et al. "Evaluation of toxicity and genotoxicity of nano nanoparticles Ag2S, synthesised by biological matrix, on Drosophila melanogaster Mg. (Diptera: Drosophilidae)." Faktori eksperimental'noi evolucii organizmiv 23 (September 9, 2018): 114–19. http://dx.doi.org/10.7124/feeo.v23.999.

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Aim. To evaluate the toxicity and genotoxicity of Ag2S quantum dots that had been synthesized by the mycelium of the fungus Pleurotus ostreatus on Drosophila melanogaster. Methods. The toxicity of nanoparticles was determined by assessing the survival rate of imagos and larvae. Genotoxicity was studied in the reparation test. The influence of nanoparticles on the development of the D. melanogaster reproductive system was determined by evaluating the number of ovariols. Results. The toxic effects of ionic silver and the absence of such effects in biosynthetic Ag2S nanoparticles had been shown.

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Zeng, Bin, and Wujun Zeng. "Ion-Exchange Synthesis and Enhanced Visible-Light Photoactivity of Graphene/Hexagonal CuS/Ag2S Nanocomposites." Nano 12, no. 01 (2017): 1750005. http://dx.doi.org/10.1142/s1793292017500059.

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Graphene loaded hexagonal CuS/Ag2S nanoplates have been successfully synthesized. Scanning electron microscopy and transmission electron microscopy observations show that hexagonal CuS/Ag2S nanoplates are tightly anchored onto graphene. The experimental results show that these nanocomposites have a highly visible-light photocatalytic performance. The high visible photocatalytic activities can be attributed to direct photoinduced interfacial charge transfer in the hexagonal CuS/Ag2S nanoplates and the further electrons transfer from CuS/Ag2S to graphene.

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