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Journal articles on the topic 'Ag2Te Nanowire'

Author: Grafiati
Published: 6 September 2023

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1

Lee, Sunghun, Ho Sun Shin, Jae Yong Song, and Myung-Hwa Jung. "Thermoelectric Properties of a Single Crystalline Ag2Te Nanowire." Journal of Nanomaterials 2017 (2017): 1–5. http://dx.doi.org/10.1155/2017/4308968.

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Silver chalcogenides have received much attention in potential thermoelectric materials research because of high carrier mobility and low effective mass. Among them, in Ag2Te, it was reported that the phase transition from monoclinic to cubic phase occurs at relatively low temperatures, so that extensive research for effective application using this material has been aroused. In this work, we investigated how 1-dimensional nanostructure affects the thermoelectric properties through as-synthesized single crystalline Ag2Te nanowires. Adopting well-defined thermoelectric MEMS device structure and transferring an individual Ag2Te nanowire, we measure electrical resistance and Seebeck coefficient as a function of temperature. When the phase changes from monoclinic to cubic, the resistance increases, while absolute Seebeck coefficient value decreases. These results are compared with previous reports for Ag2Te bulk and film, suggesting the increased density of states of the carriers due to nanowire structure.
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2

Sutch, Tabitha, Jared M. Allred, and Greg Szulczewski. "Electron conducting Ag2Te nanowire/polymer thermoelectric thin films." Journal of Vacuum Science & Technology A 39, no. 2 (March 2021): 023401. http://dx.doi.org/10.1116/6.0000690.

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3

Nawaz, M. Prem, M. Palanivelu, M. Karunanithy, A. Afroos Banu, A. Ayeshamariam, and K. Kaviyarasu. "Thermoelectric Power of Silver Telluride Thin Films and its Thermal Conductivity Applications." Asian Journal of Chemistry 33, no. 11 (2021): 2615–20. http://dx.doi.org/10.14233/ajchem.2021.23380.

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The hydrothermal technique was used to create straight single crystal silver telluride nanowires with a diameter of around 200 nm and a length of up to micrometers of decades. There has been no template or surfactant used in the process. As-synthesized products are high purity and well-crystallized, confirmed by X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectrum, transmission electron microscopy (TEM), and a high-resolution SAED pattern. Differential scanning calorimetry was used to observe the reversible structural phase shift from the low-temperature monoclinic structure to the high-temperature face-centered cubic structure. Furthermore, the dramatic drop in electrical current in a single nanowire at the phase transition temperature is revealed, paving the way for future research into the manufacturing of one-dimensional nanoscale devices. Silver telluride (Ag2Te) has large thermoelectric coefficients and it was tested by using resistor graph and calculated the values of it, thermal conductivity and Seebeck coefficient were discussed with respect to the temperature of thin films. Semiconductors were superior thermoelectric material due to higher ratio of electrical and thermal conductivities. Therefore, the AgTe thin films deposited on indium tin oxide (ITO) substrates were employed, thermoelectric power and thermal conductivity measurements, respectively.
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4

Lee, Sunghun, Juneho In, Youngdong Yoo, Younghun Jo, Yun Chang Park, Hyung-jun Kim, Hyun Cheol Koo, Jinhee Kim, Bongsoo Kim, and Kang L. Wang. "Single Crystalline β-Ag2Te Nanowire as a New Topological Insulator." Nano Letters 12, no. 8 (July 19, 2012): 4194–99. http://dx.doi.org/10.1021/nl301763r.

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5

Premasiri, Kasun, Wei Zheng, Biao Xu, Tao Ma, Lin Zhou, Yue Wu, and Xuan P. A. Gao. "An electrically driven structural phase transition in single Ag2Te nanowire devices." Nanoscale 11, no. 14 (2019): 6629–34. http://dx.doi.org/10.1039/c8nr10000d.

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6

Kim, Seil, Seung Han Ryu, Young-Tae Kwon, Hyo-Ryoung Lim, Kee-Ryung Park, Yoseb Song, and Yong-Ho Choa. "Synthesis and thermoelectric characterization of high density Ag2Te nanowire/PMMA nanocomposites." Materials Chemistry and Physics 190 (April 2017): 187–93. http://dx.doi.org/10.1016/j.matchemphys.2017.01.019.

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7

In, Juneho, Youngdong Yoo, Jin-Gyu Kim, Kwanyong Seo, Hyunju Kim, Hyotchel Ihee, Sang Ho Oh, and Bongsoo Kim. "In Situ TEM Observation of Heterogeneous Phase Transition of a Constrained Single-Crystalline Ag2Te Nanowire." Nano Letters 10, no. 11 (November 10, 2010): 4501–4. http://dx.doi.org/10.1021/nl102350j.

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8

Som, Anirban, and T. Pradeep. "Heterojunction double dumb-bell Ag2Te–Te–Ag2Te nanowires." Nanoscale 4, no. 15 (2012): 4537. http://dx.doi.org/10.1039/c2nr30730h.

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9

Manzoor, Saima, Yumin Liu, Zhongyuan Yu, Xiuli Fu, and Guijun Ban. "Hydrothermal Synthesis and Mechanism of Unusual Zigzag Ag2Te and Ag2Te/C Core-Shell Nanostructures." Journal of Nanomaterials 2014 (2014): 1–5. http://dx.doi.org/10.1155/2014/350981.

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A single step surfactant-assisted hydrothermal route has been developed for the synthesis of zigzag silver telluride nanowires with diameter of 50–60 nm and length of several tens of micrometers. Silver nitrate (AgNO3) and sodium tellurite (Na2TeO3), are the precursors and polyvinylpyrrolidone (PVP) is used as surfactant in the presence of the reducing agent, that is, hydrazine hydrate (N2H4·H2O). In addition to the zigzag nanowires a facile hydrothermal reduction-carbonization route is proposed for the preparation of uniform core-shell Ag2Te/C nanowires. In case of Ag2Te/C synthesis process the same precursors are employed for Ag and Te along with the ethylene glycol used as reducing agent and glucose as the carbonizing agent. Morphological and compositional properties of the prepared products are analyzed with the help of scanning electron microscopy, transmission electron microscopy, and energy dispersive X-ray spectroscopy, respectively. The detailed formation mechanism of the zigzag morphology and reduction-carbonization growth mechanism for core-shell nanowires are illustrated on the bases of experimental results.
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10

Chang, Yi, Jun Guo, Yun-Qiao Tang, Yi-Xing Zhang, Jing Feng, and Zhen-Hua Ge. "Facile synthesis of Ag2Te nanowires and thermoelectric properties of Ag2Te polycrystals sintered by spark plasma sintering." CrystEngComm 21, no. 11 (2019): 1718–27. http://dx.doi.org/10.1039/c8ce01863d.

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11

Park, Dabin, Minsu Kim, and Jooheon Kim. "Fabrication of PEDOT:PSS/Ag2Se Nanowires for Polymer-Based Thermoelectric Applications." Polymers 12, no. 12 (December 8, 2020): 2932. http://dx.doi.org/10.3390/polym12122932.

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Flexible Ag2Se NW/PEDOT:PSS thermoelectric composite films with different Ag2Se contents (10, 20, 30, 50, 70, and 80 wt.%) are fabricated. The Ag2Se nanowires are first fabricated with solution mixing. After that, Ag2Se NW/PEDOT:PSS composite film was fabricated using a simple drop-casting method. To evaluate the potential applications of the Ag2Se NW/PEDOT:PSS composite, their thermoelectric properties are analyzed according to their Ag2Se contents, and strategies for maximizing the thermoelectric power factor are discussed. The maximum room-temperature power factor of composite film (178.59 μW/m·K2) is obtained with 80 wt.% Ag2Se nanowires. In addition, the composite film shows outstanding durability after 1000 repeat bending cycles. This work provides an important strategy for the fabrication of high-performance flexible thermoelectric composite films, which can be extended to other inorganic/organic composites and will certainly promote their development and thermoelectric applications.
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12

Xiao, Zuo, Yong Du, Qiufeng Meng, and Lei Wang. "Thermoelectric characteristics of flexible reduced graphene oxide/silver selenide nanowire composites prepared by a facile vacuum filtration process." Chinese Physics B 31, no. 2 (January 1, 2022): 028103. http://dx.doi.org/10.1088/1674-1056/ac447e.

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The reduced graphene oxide/silver selenide nanowire (rGO/Ag2Se NW) composite powders were fabricated via a wet chemical approach, and then flexible rGO/Ag2Se NW composite film was prepared by a facile vacuum filtration method combined with cold-pressing treatment. A highest power factor of 228.88 μW·m−1·K−2 was obtained at 331 K for the cold-pressed rGO/Ag2Se NW composite film with 0.01 wt% rGO. The rGO/Ag2Se NW composite film revealed superior flexibility as the power factor retained 94.62% after bending for 500 times with a bending radius of 4 mm, which might be due to the interwoven network structures of Ag2Se NWs and pliability of rGO as well as nylon membrane. These results demonstrated that the GO/Ag2Se NW composite film has a potential for preparation of flexible thermoelectric devices.
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13

Yang, Seunggen, Kyoungah Cho, and Sangsig Kim. "Enhanced Thermoelectric Characteristics of Ag2Se Nanoparticle Thin Films by Embedding Silicon Nanowires." Energies 13, no. 12 (June 13, 2020): 3072. http://dx.doi.org/10.3390/en13123072.

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A solution-processable Ag2Se nanoparticle thin film (NPTF) is a prospective thermoelectric material for plastic-based thermoelectric generators, but its low electrical conductivity hinders the fabrication of high performance plastic-based thermoelectric generators. In this study, we design Ag2Se NPTFs embedded with silicon nanowires (SiNWs) to improve their thermoelectric characteristics. The Seebeck coefficients are −233 and −240 µV/K, respectively, for a Ag2Se NPTF alone and a Ag2Se NPTF embedded with SiNWs. For the Ag2Se NPTF embedded with SiNWs, the electrical conductivity is improved from 0.15 to 18.5 S/m with the embedment of SiNWs. The thermal conductivities are determined by a lateral thermal conductivity measurement for nanomaterials and the thermal conductivities are 0.62 and 0.84 W/(m·K) for a Ag2Se NPTF alone and a Ag2Se NPTF embedded with SiNWs, respectively. Due to the significant increase in the electrical conductivity and the insignificant increase in its thermal conductivity, the output power of the Ag2Se NPTF embedded with SiNWs is 120 times greater than that of the Ag2Se NPTF alone. Our results demonstrate that the Ag2Se NPTF embedded with SiNWs is a prospective thermoelectric material for high performance plastic-based thermoelectric generators.
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14

Suchand Sandeep, C. S., A. K. Samal, T. Pradeep, and Reji Philip. "Optical limiting properties of Te and Ag2Te nanowires." Chemical Physics Letters 485, no. 4-6 (January 2010): 326–30. http://dx.doi.org/10.1016/j.cplett.2009.12.065.

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15

Wang, Zixing, Ying Liu, Jiajia Li, Changjun Huang, and Kefeng Cai. "High-Performance Ag2Se Film by a Microwave-Assisted Synthesis Method for Flexible Thermoelectric Generators." Molecules 28, no. 17 (September 1, 2023): 6397. http://dx.doi.org/10.3390/molecules28176397.

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Flexible Ag2Se thermoelectric (TE) films are promising for wearable applications near room temperature (RT). Herein, a Ag2Se film on a nylon membrane with high TE performance was fabricated by a facile method. First, Ag2Se powders were prepared by a microwave-assisted synthesis method using Ag nanowires as a template. Second, the Ag2Se powders were deposited onto nylon via vacuum filtration followed by hot pressing. Through modulating the Ag/Se molar ratio for synthesizing the Ag2Se powders, an optimized Ag2Se film demonstrates a high power factor of 1577.1 μW m−1 K−2 and good flexibility at RT. The flexibility of the Ag2Se film is mainly attributed to the flexible nylon membrane. In addition, a six-leg flexible TE generator (f-TEG) fabricated with the optimized Ag2Se film exhibits a maximum power density of 18.4 W m−2 at a temperature difference of 29 K near RT. This work provides a new solution to prepare high-TE-performance flexible Ag2Se films for f-TEGs.
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16

Singh, Ranjeet, S. K. Sharma, and S. K. Chakarvarti. "Characterization of Chemically Synthesized Ag2Se Nanowires via Anodic Alumina Membrane as Template." Advanced Materials Research 628 (December 2012): 21–26. http://dx.doi.org/10.4028/www.scientific.net/amr.628.21.

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Highly ordered nano crystallized Ag2Se nanowires of diameter 200 nm have been successfully prepared through direct chemical method using Anodic Alumina Membrane (AAM) as a template; AgNO3 as cation precursor agent and Na2SeSO3 as Se precursor, respectively at room temperature. The qualitative analysis of the EDAX spectrum of nanowires shows that the atomic composition of Ag and Se in synthesized nanowires is close to 2:1 stoichiometry. XRD spectrum confirms orthorhombic structure. UV-Vis absorption spectrum provides estimation of the optical band gap 1.41 eV of nanowires.
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17

Jiang, Zhi-Yuan, Zhao-Xiong Xie, Xian-Hua Zhang, Rong-Bin Huang, and Lan-Sun Zheng. "Conversion of Se nanowires to Se/Ag2Se nanocables and Ag2Se nanotubes." Chemical Physics Letters 378, no. 3-4 (September 2003): 313–16. http://dx.doi.org/10.1016/j.cplett.2003.07.009.

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18

Batabyal, Sudip K., and Jagadese J. Vittal. "Axial-Junction Nanowires of Ag2Te−Ag As a Memory Element." Chemistry of Materials 20, no. 18 (September 23, 2008): 5845–50. http://dx.doi.org/10.1021/cm801388w.

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19

Yang, Haoran, Je-Hyeong Bahk, Tristan Day, Amr M. S. Mohammed, Bokki Min, G. Jeffrey Snyder, Ali Shakouri, and Yue Wu. "Composition Modulation of Ag2Te Nanowires for Tunable Electrical and Thermal Properties." Nano Letters 14, no. 9 (August 28, 2014): 5398–404. http://dx.doi.org/10.1021/nl502551c.

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20

Lee, N. J., B. H. An, A. Y. Koo, H. M. Ji, J. W. Cho, Y. J. Choi, Y. K. Kim, and C. J. Kang. "Resistive switching behavior in a Ni–Ag2Se–Ni nanowire." Applied Physics A 102, no. 4 (February 8, 2011): 897–900. http://dx.doi.org/10.1007/s00339-011-6319-y.

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21

Yuan, Zhen, Qiuni Zhao, Zaihua Duan, Chunyan Xie, Xiaohui Duan, Shaorong Li, Zongbiao Ye, Yadong Jiang, and Huiling Tai. "Ag2Te nanowires for humidity-resistant trace-level NO2 detection at room temperature." Sensors and Actuators B: Chemical 363 (July 2022): 131790. http://dx.doi.org/10.1016/j.snb.2022.131790.

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22

Xiao, Feng, Gang Chen, Qun Wang, Lin Wang, Jian Pei, and Nan Zhou. "Simple synthesis of ultra-long Ag2Te nanowires through solvothermal co-reduction method." Journal of Solid State Chemistry 183, no. 10 (October 2010): 2382–88. http://dx.doi.org/10.1016/j.jssc.2010.07.020.

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23

Li, Ning, Bao Zhao, Shaomin Zhou, Shiyun Lou, and Yongqiang Wang. "Electrical properties of individual Ag2Te nanowires synthesized by a facile hydrothermal approach." Materials Letters 81 (August 2012): 212–14. http://dx.doi.org/10.1016/j.matlet.2012.05.009.

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24

Gao, Jie, Lei Miao, Chengyan Liu, Xiaoyang Wang, Ying Peng, Xingyu Wei, Jianhua Zhou, et al. "A novel glass-fiber-aided cold-press method for fabrication of n-type Ag2Te nanowires thermoelectric film on flexible copy-paper substrate." Journal of Materials Chemistry A 5, no. 47 (2017): 24740–48. http://dx.doi.org/10.1039/c7ta07601k.

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25

Kim, Jihwan, Ahreum Hwang, Sang-Hoon Lee, Seung-Hoon Jhi, Sunghun Lee, Yun Chang Park, Si-in Kim, et al. "Quantum Electronic Transport of Topological Surface States in β-Ag2Se Nanowire." ACS Nano 10, no. 4 (April 2016): 3936–43. http://dx.doi.org/10.1021/acsnano.5b07368.

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26

Tan, Lianjiang, Jiajia Fu, and Shuiping Liu. "Growth of photoluminescent Ag2Se nanowires from a simple precursor solution." CrystEngComm 16, no. 46 (August 15, 2014): 10534–38. http://dx.doi.org/10.1039/c4ce01294a.

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27

Gates, Byron, Yiying Wu, Yadong Yin, Peidong Yang, and Younan Xia. "Single-Crystalline Nanowires of Ag2Se Can Be Synthesized by Templating against Nanowires of Trigonal Se." Journal of the American Chemical Society 123, no. 46 (November 2001): 11500–11501. http://dx.doi.org/10.1021/ja0166895.

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28

Kim, Jihwan, Bum-Kyu Kim, Hong-Seok Kim, Ahreum Hwang, Bongsoo Kim, and Yong-Joo Doh. "Macroscopic Quantum Tunneling in Superconducting Junctions of β-Ag2Se Topological Insulator Nanowire." Nano Letters 17, no. 11 (October 27, 2017): 6997–7002. http://dx.doi.org/10.1021/acs.nanolett.7b03571.

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29

Moon, Geon Dae, and Unyong Jeong. "Transformation of Se@Ag2Se Core−Shell Colloids and Nanowires into Trigonal Se Nanorods and Uniform Spherical Ag2Se Colloids." Langmuir 25, no. 1 (January 6, 2009): 458–65. http://dx.doi.org/10.1021/la802714v.

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30

Glanville, Yvonne J., David G. Narehood, Paul E. Sokol, A. Amma, and T. Mallouk. "Preparation and synthesis of Ag2Se nanowires produced by template directed synthesis." Journal of Materials Chemistry 12, no. 8 (June 6, 2002): 2433–34. http://dx.doi.org/10.1039/b202913h.

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31

Pillai, Krishnakumar. "Growth of single-crystalline highly pure long Ag2Te nanowires for thermoelectric applications and its structural analysis." Journal of Materials Science: Materials in Electronics 32, no. 13 (June 12, 2021): 17966–73. http://dx.doi.org/10.1007/s10854-021-06335-1.

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32

Pei, Jian, Gang Chen, Dechang Jia, Yaoguang Yu, Jingxue Sun, Haiming Xu, and Zhuangzhuang Qiu. "Crooked Ag2Te nanowires with rough surfaces: facile microwave-assisted solution synthesis, growth mechanism, and electrical performances." New J. Chem. 38, no. 1 (2014): 59–62. http://dx.doi.org/10.1039/c3nj01303k.

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33

Chen, Ruizhi, Dongsheng Xu, Guolin Guo, and Linlin Gui. "Preparation of Ag2Se and Ag2Se1−xTex nanowires by electrodeposition from DMSO baths." Electrochemistry Communications 5, no. 7 (July 2003): 579–83. http://dx.doi.org/10.1016/s1388-2481(03)00133-4.

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34

Park, Dabin, Minsu Kim, and Jooheon Kim. "High-performance PANI-coated Ag2Se nanowire and PVDF thermoelectric composite film for flexible energy harvesting." Journal of Alloys and Compounds 884 (December 2021): 161098. http://dx.doi.org/10.1016/j.jallcom.2021.161098.

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35

Pei, Jian, Gang Chen, Dechang Jia, Yaoguang Yu, Jingxue Sun, Haiming Xu, and Zhuangzhuang Qiu. "ChemInform Abstract: Crooked Ag2Te Nanowires with Rough Surfaces: Facile Microwave-Assisted Solution Synthesis, Growth Mechanism, and Electrical Performances." ChemInform 45, no. 14 (March 21, 2014): no. http://dx.doi.org/10.1002/chin.201414229.

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36

Zeng, Chunyan, Weixin Zhang, Shaixia Ding, Zeheng Yang, Hui Zeng, and Zhangcheng Li. "Oriented attachment growth of ultra-long Ag2Se crystalline nanowires via water evaporation-induced self-assembly." CrystEngComm 15, no. 25 (2013): 5127. http://dx.doi.org/10.1039/c3ce40232k.

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37

Gates, B., B. Mayers, Y. Wu, Y. Sun, B. Cattle, P. Yang, and Y. Xia. "Synthesis and Characterization of Crystalline Ag2Se Nanowires Through a Template-Engaged Reaction at Room Temperature." Advanced Functional Materials 12, no. 10 (October 16, 2002): 679–86. http://dx.doi.org/10.1002/1616-3028(20021016)12:10<679::aid-adfm679>3.0.co;2-#.

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38

Park, Dabin, Hyun Ju, and Jooheon Kim. "Enhanced thermoelectric properties of flexible N-type Ag2Se nanowire/polyvinylidene fluoride composite films synthesized via solution mixing." Journal of Industrial and Engineering Chemistry 93 (January 2021): 333–38. http://dx.doi.org/10.1016/j.jiec.2020.10.009.

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39

Park, Dabin, Seonmin Lee, and Jooheon Kim. "Thermoelectric and mechanical properties of PEDOT:PSS-coated Ag2Se nanowire composite fabricated via digital light processing based 3D printing." Composites Communications 30 (February 2022): 101084. http://dx.doi.org/10.1016/j.coco.2022.101084.

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40

Moon, Geon Dae, Unyong Jeong, and Younan Xia. "Growth oft-Se Nanowires on the Surfaces ofa-Se@Ag2Se Core–Shell Particles through Controlled Release of Se from thea-Se Cores." Chemistry of Materials 20, no. 2 (January 2008): 367–69. http://dx.doi.org/10.1021/cm702695u.

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41

Zhou, Hongju, Zhenjie Zhang, Chengxiao Sun, Hua Deng, and Qiang Fu. "Biomimetic Approach to Facilitate the High Filler Content in Free-Standing and Flexible Thermoelectric Polymer Composite Films Based on PVDF and Ag2Se Nanowires." ACS Applied Materials & Interfaces 12, no. 46 (November 7, 2020): 51506–16. http://dx.doi.org/10.1021/acsami.0c15414.

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42

Chen, Ruizhi, Dongsheng Xu, Weilie Zhou, Le Duc Tung, Leonard Spinu, and Guolin Guo. "Electrochemical Preparation of Silver Selenide Films and Nanowires from Aqueous Solutions." MRS Proceedings 728 (2002). http://dx.doi.org/10.1557/proc-728-s8.27.

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AbstractBoth thin films and nanowires of silver selenide were synthesized by electrodeposition from an aqueous acid electrolyte containing silver ion complexed with SCN- and selenium dioxide at room temperature. Orthorhombic Ag2Se films with Ag slightly in excess were obtained. After annealing in argon atmosphere, the films are highly (002) oriented. A positive transverse magnetoresistance of about 20–25% at T = 5 K, and 10–13% at T = 300 K, in fields of H=50 kOe were observed in the electrodeposited films. Furthermore, silver selenide nanowires were synthesized from the same aqueous system by electrodeposition in porous anodic alumina templates. X-ray diffraction (XRD), Transmission electron microscopy (TEM), and Energy dispersive absorption X-ray (EDAX) characterization results showed that the nanowires are highly crystalline with (002) growth direction after annealing. In addition, the atomic ratio of Ag/Se in the films and the nanowire samples can be controlled from about 3.0 to 2.1 by adjusting the concentration of AgI and SeIV source and the deposition potential.
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43

Wang, Huimin, Tingting Wang, Zibin Huang, Yizhuo Liu, Dehui Leng, and Junli Wang. "Growth of MSe semiconductor nanowires on metal substrates through an Ag2Se-catalyzed solution–solid–solid mechanism (M = Zn, Cd and Mn)." CrystEngComm, 2021. http://dx.doi.org/10.1039/d1ce00915j.

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Solution-phase growth of MSe nanowires on their respective metal foil or flakes (M = Zn, Cd and Mn) has been realized by a recently developed solution–solid–solid mechanism initiated by preexisting Ag2Se seeds.
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44

Kotooka, Takumi, Yuichiro Tanaka, Hakaru Tamukoh, Yuki Usami, and Hirofumi Tanaka. "Random network device fabricated using Ag2Se nanowires for data augmentation with binarized convolutional neural network." Applied Physics Express, December 26, 2022. http://dx.doi.org/10.35848/1882-0786/acae6a.

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Abstract An Ag2Se nanowire random network was fabricated for application as a data augmentation device and combined with a binary convolutional neural network (BCNN) to achieve high accuracy in voice classification tasks. Due to the nonlinear high-dimensional characteristics resulting from the formation of the conductive filament at the cross junction, the Ag2Se device could transform input data into higher-order multiple signals, thereby enhancing the accuracy of the classification task by augmenting input signals. The results indicate that materials can realize data augmentation with the same performance as software, suggesting that material-based hardware can be used an elemental technology for information processing.
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45

Batabyal, Sudip K., and Jagadese J. Vittal. "ChemInform Abstract: Axial-Junction Nanowires of Ag2Te-Ag as a Memory Element." ChemInform 39, no. 50 (December 9, 2008). http://dx.doi.org/10.1002/chin.200850224.

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46

Zhang, Hui, Tao Xu, Kaihao Yu, Wen Wang, Longbing He, and Litao Sun. "Tailoring atomic diffusion for in situ fabrication of different heterostructures." Nature Communications 12, no. 1 (August 10, 2021). http://dx.doi.org/10.1038/s41467-021-25194-2.

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AbstractAtomic diffusion has been recognized as a particularly powerful tool in the synthesis of heterostructures. However, controlled atomic diffusion is very difficult to achieve in the fabrication of individual nanostructures. Here, an electrically driven in situ solid-solid diffusion reaction inside a TEM is reported for the controlled fabrication of two different hetero-nanostructures in the Ag-Te system. Remarkably, the morphology and structure of the as-formed heterostructures are strongly dependent on the path of atomic diffusion. Our experiments revealed that the surface diffusion of Te atoms to Ag nanowires leads to a core-shell structure, while the bulk diffusion of Ag atoms give rise to a Ag2Te-Te segmented heterostructure. Heat released by Joule heating caused the surface diffusion process to be replaced by bulk diffusion and thereby determined the structure of the final product. Our experimental results provide an insight into solid-state diffusion reactions under an electric field and also propose a new process for the fabrication of complex nanostructures.
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Wang, Wenfang, Jing Liu, Xia Li, Qinglin Jiang, Jingkun Xu, Chan Luo, Peipei Liu, Rongri Tan, Yukou Du, and Fengxing Jiang. "Galvanic exchange reaction involving Te nanowires and Ag ions for n-type Te/Ag2Te thermoelectric nanofilms." Journal of Nanoparticle Research 21, no. 6 (June 2019). http://dx.doi.org/10.1007/s11051-019-4536-z.

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