Готові списки джерел за темами / AgBiTeO

Добірка наукової літератури з теми "AgBiTeO"

Автор: Grafiati
Опубліковано: 6 вересня 2023

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Статті в журналах з теми "AgBiTeO"

1

Mukherjee, Madhubanti, and Abhishek K. Singh. "Strong Chemical Bond Hierarchy Leading to Exceptionally High Thermoelectric Figure of Merit in Oxychalcogenide AgBiTeO." ACS Applied Materials & Interfaces 12, no. 7 (January 27, 2020): 8280–87. http://dx.doi.org/10.1021/acsami.9b21358.

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2

Wu, Di, Jun Guo, Zhen-Hua Ge, and Jing Feng. "Facile Synthesis Bi2Te3 Based Nanocomposites: Strategies for Enhancing Charge Carrier Separation to Improve Photocatalytic Activity." Nanomaterials 11, no. 12 (December 14, 2021): 3390. http://dx.doi.org/10.3390/nano11123390.

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Анотація:
Varying structure Bi2Te3-based nanocomposite powders including pure Bi2Te3, Bi2Te3/Bi core−shell, and Bi2Te3/AgBiTe2 heterostructure were synthesized by hydrothermal synthesis using Bi2S3 as the template and hydrazine as the reductant. Successful realization of Bi2Te3-based nanostructures were concluded from XRD, FESEM, and TEM. In this work, the improvement in the performance of the rhodamine B (RhB) decomposition efficiency under visible light was discussed. The Bi2Te3/AgBiTe2 heterostructures revealed propitious photocatalytic performance ca. 90% after 60 min. The performance was over Bi2Te3/Bi core-shell nanostructures (ca. 40%) and more, exceeding pure Bi2Te3 (ca. 5%). The reason could be scrutinized in terms of the heterojunction structure, improving the interfacial contact between Bi2Te3 and AgBiTe2 and enabling retardation in the recombination rate of the photogenerated charge carriers. A credible mechanism of the charge transfer process in the Bi2Te3/AgBiTe2 heterostructures for the decomposition of an aqueous solution of RhB was also explicated. In addition, this work also investigated the stability and recyclability of a Bi2Te3/AgBiTe2 heterojunction nanostructure photocatalyst. In addition, this paper anticipates that the results possess broad potential in the photocatalysis field for the design of a visible light functional and reusable heterojunction nanostructure photocatalyst.
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3

Zhu, Huaxing, Bin Zhang, Ting Zhao, Sikang Zheng, Guiwen Wang, Guoyu Wang, Xu Lu, and Xiaoyuan Zhou. "Achieving glass-like lattice thermal conductivity in PbTe by AgBiTe2 alloying." Applied Physics Letters 121, no. 24 (December 12, 2022): 241903. http://dx.doi.org/10.1063/5.0131362.

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Анотація:
Here, we report the thermal transport properties of lead telluride (PbTe)1− x(AgBiTe2) x ( x = 0.05 and 0.15) alloys. It is found that the prominent peak in lattice thermal conductivity at 15 K for PbTe disappears after forming solid solution with AgBiTe2, exhibiting a typical glass-like thermal transport behavior. The high energy phonons are scattered by the point defects induced by cationic disorder, while the appearance of soft vibrational modes arises from Ag atoms acting like Einstein oscillators ( ΘE1 = 5.4 K, ΘE2 = 67.3 K), which substantially affects the lattice thermal conductivity. Further with nanostructuring, the mid-frequency phonons are scattered by the high-density disc-like Ag2Te precipitates. As a result, an ultralow lattice thermal conductivity (≤1.0 W m−1 K−1) for (PbTe)0.85(AgBiTe2)0.15 is obtained, which is the lowest value ever reported to date for the PbTe-based TE materials. Our work highlights a synthetic route to achieve glass-like lattice thermal conductivity in PbTe over the entire temperature range.
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4

Liu, Xiao-Cun, and Ming-Yan Pan. "Structural Phase Transition and Related Thermoelectric Properties in Sn Doped AgBiSe2." Crystals 11, no. 9 (August 25, 2021): 1016. http://dx.doi.org/10.3390/cryst11091016.

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Анотація:
AgBiSe2, which exhibits complex structural phase transition behavior, has recently been considered as a potential thermoelectric material due to its intrinsically low thermal conductivity. In this work, we investigate the crystal structure of Sn-doped AgBiSe2 through powder X-ray diffraction and differential scanning calorimetry measurements. A stable cubic Ag1−x/2Bi1−x/2SnxSe2 phase can be obtained at room temperature when the value of x is larger than 0.2. In addition, the thermoelectric properties of Ag1−x/2Bi1−x/2SnxSe2 (x = 0.2, 0.25, 0.3, 0.35) are investigated, revealing that Ag1−x/2Bi1−x/2SnxSe2 compounds are intrinsic semiconductors with a low lattice thermal conductivity. This work provides new insights into the crystal structure adjustment of AgBiSe2 and shows that Ag1−x/2Bi1−x/2SnxSe2 is a potentially lead-free thermoelectric material candidate.
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5

Tan, Gangjian, Fengyuan Shi, Hui Sun, Li-Dong Zhao, Ctirad Uher, Vinayak P. Dravid, and Mercouri G. Kanatzidis. "SnTe–AgBiTe2 as an efficient thermoelectric material with low thermal conductivity." J. Mater. Chem. A 2, no. 48 (2014): 20849–54. http://dx.doi.org/10.1039/c4ta05530f.

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Анотація:
SnTe–AgBiTe2 is not only a solid solution but a nanocomposite. The alloying effect coupled with intense interface scattering leads to considerably decreased lattice thermal conductivity. Bi is much more powerful in neutralizing holes than Sb, giving rise to a much higher Seebeck coefficient. A high ZT was then obtained.
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6

Sakakibara, Tsutomu, Yasuo Takigawa, and Kou Kurosawa. "Hall Mobility Enhancement in AgBiTe2–Ag2Te Composites." Japanese Journal of Applied Physics 41, Part 1, No. 5A (May 15, 2002): 2842–44. http://dx.doi.org/10.1143/jjap.41.2842.

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SAKAKIBARA, Tsutomu, Yasuo TAKIGAWA, Akihiro KAMEYAMA, and Kou KUROSAWA. "Improvement of Thermoelectric Properties by Dispersing Ag2Te Grains in AgBiTe2 Matrix: Composition Effects in (AgBiTe2)1-x(Ag2Te)x." Journal of the Ceramic Society of Japan 110, no. 1280 (2002): 259–63. http://dx.doi.org/10.2109/jcersj.110.259.

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8

Guin, Satya N., Velaga Srihari, and Kanishka Biswas. "Promising thermoelectric performance in n-type AgBiSe2: effect of aliovalent anion doping." Journal of Materials Chemistry A 3, no. 2 (2015): 648–55. http://dx.doi.org/10.1039/c4ta04912h.

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Анотація:
Halide ion (Cl−/Br−/I−) aliovalently dopes on the Se2−sublattice and contributes one n-type carrier in AgBiSe2, which gives rise to improved electronic transport properties. A peakZT, value of ∼0.9 at ∼810 K has been achieved for the AgBiSe1.98Cl0.02sample, which makes it a promising n-type thermoelectric material for mid-temperature applications.
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SAKAKIBARA, Tsutomu, Takanori IMOTO, Yasuo TAKIGAWA, and Kou KUROSAWA. "Thermoelectric properties of (AgBiTe2)1-x(Ag2Te)x composites." Journal of Advanced Science 12, no. 4 (2000): 392–96. http://dx.doi.org/10.2978/jsas.12.392.

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10

Goto, Y., A. Nishida, H. Nishiate, M. Murata, C. H. Lee, A. Miura, C. Moriyoshi, Y. Kuroiwa, and Y. Mizuguchi. "Effect of Te substitution on crystal structure and transport properties of AgBiSe2thermoelectric material." Dalton Transactions 47, no. 8 (2018): 2575–80. http://dx.doi.org/10.1039/c7dt04821a.

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Більше джерел

Дисертації з теми "AgBiTeO"

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Мороз, М. В., В. М. Мороз та Д. І. Вадець. "Термодинамічні властивості напівпровідникових сполук AgBiSe[2], Bi[2]Se[3] та BiSe (T=535-578 K)". Thesis, Сумський державний університет, 2013. http://essuir.sumdu.edu.ua/handle/123456789/43450.

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2

Cheng, Hao-Yen, and 鄭皓嚴. "Phase diagrams of the ternary Ag-Bi-Se system and thermoelectric properties of cubic AgBiSe2 materials." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/34983974957008709362.

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Анотація:
碩士
國立中山大學
材料與光電科學學系研究所
104
Energy crisis is one of the world-wide issues nowadays. Recently, the energy developments focus on searching alternative energy and enhance the efficiency of energy materials. Thermoelectric material has attracted great attention because it can directly convert waste heat into electricity, resulting in increasing the energy usage efficiency. The I-V-VI2 AgBiSe2, which adopts cubic structure, is a promising thermoelectric material and is known to exhibit nonhomogeneous lattice vibration that leads to low thermal conductivity. Phase diagrams are basic yet essential materials information that probe the thermodynamically phase stability behaviors. With an aid of phase diagram and microstructural evolution, the thermoelectric properties can be optimized. Herein, we aim to determine the ternary phase diagram of Ag-Bi-Se system and Ag-Ge-Se system and the Pseudobinary phase diagram of AgBiSe2-GeSe. The efforts of this study include: (1) determining the liquidus projection by air-cooled or water-quenched alloys, (2) constructing the 500˚C isothermal section by thermally-equilibrated alloys, (3) locating the homogeneity range of the cubic I-V-VI2 phase, and (4) measuring the thermoelectric property of ternary Ag-Bi-Se and quaternary Ag-Bi-Se-Ge alloys. Metallographic observations upon the quenched or thermally-equilibrated ternary alloys are conducted using SEM while the phase identifications and compositional analysis are carried out by XRD and EDS, respectively.
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Частини книг з теми "AgBiTeO"

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Villars, P., K. Cenzual, J. Daams, R. Gladyshevskii, O. Shcherban, V. Dubenskyy, N. Melnichenko-Koblyuk, et al. "AgBiSe2." In Landolt-Börnstein - Group III Condensed Matter, 336. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-44752-8_258.

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Тези доповідей конференцій з теми "AgBiTeO"

1

Liu, N., P. Yan, H. J. Sun, and X. S. Miao. "Bipolar resistive switching behaviors of AgBiTe chalcogenide thin films." In Information Storage System and Technology. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/isst.2017.isu2a.5.

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Звіти організацій з теми "AgBiTeO"

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Neyedley, K., J. J. Hanley, P. Mercier-Langevin, and M. Fayek. Ore mineralogy, pyrite chemistry, and S isotope systematics of magmatic-hydrothermal Au mineralization associated with the Mooshla Intrusive Complex (MIC), Doyon-Bousquet-LaRonde mining camp, Abitibi greenstone belt, Québec. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328985.

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Анотація:
The Mooshla Intrusive Complex (MIC) is an Archean polyphase magmatic body located in the Doyon-Bousquet-LaRonde (DBL) mining camp of the Abitibi greenstone belt, Québec. The MIC is spatially associated with numerous gold (Au)-rich VMS, epizonal 'intrusion-related' Au-Cu vein systems, and shear zone-hosted (orogenic?) Au deposits. To elucidate genetic links between deposits and the MIC, mineralized samples from two of the epizonal 'intrusion-related' Au-Cu vein systems (Doyon and Grand Duc Au-Cu) have been characterized using a variety of analytical techniques. Preliminary results indicate gold (as electrum) from both deposits occurs relatively late in the systems as it is primarily observed along fractures in pyrite and gangue minerals. At Grand Duc gold appears to have formed syn- to post-crystallization relative to base metal sulphides (e.g. chalcopyrite, sphalerite, pyrrhotite), whereas base metal sulphides at Doyon are relatively rare. The accessory ore mineral assemblage at Doyon is relatively simple compared to Grand Duc, consisting of petzite (Ag3AuTe2), calaverite (AuTe2), and hessite (Ag2Te), while accessory ore minerals at Grand Duc are comprised of tellurobismuthite (Bi2Te3), volynskite (AgBiTe2), native Te, tsumoite (BiTe) or tetradymite (Bi2Te2S), altaite (PbTe), petzite, calaverite, and hessite. Pyrite trace element distribution maps from representative pyrite grains from Doyon and Grand Duc were collected and confirm petrographic observations that Au occurs relatively late. Pyrite from Doyon appears to have been initially trace-element poor, then became enriched in As, followed by the ore metal stage consisting of Au-Ag-Te-Bi-Pb-Cu enrichment and lastly a Co-Ni-Se(?) stage enrichment. Grand Duc pyrite is more complex with initial enrichments in Co-Se-As (Stage 1) followed by an increase in As-Co(?) concentrations (Stage 2). The ore metal stage (Stage 3) is indicated by another increase in As coupled with Au-Ag-Bi-Te-Sb-Pb-Ni-Cu-Zn-Sn-Cd-In enrichment. The final stage of pyrite growth (Stage 4) is represented by the same element assemblage as Stage 3 but at lower concentrations. Preliminary sulphur isotope data from Grand Duc indicates pyrite, pyrrhotite, and chalcopyrite all have similar delta-34S values (~1.5 � 1 permille) with no core-to-rim variations. Pyrite from Doyon has slightly higher delta-34S values (~2.5 � 1 permille) compared to Grand Duc but similarly does not show much core-to-rim variation. At Grand Duc, the occurrence of Au concentrating along the rim of pyrite grains and associated with an enrichment in As and other metals (Sb-Ag-Bi-Te) shares similarities with porphyry and epithermal deposits, and the overall metal association of Au with Te and Bi is a hallmark of other intrusion-related gold systems. The occurrence of the ore metal-rich rims on pyrite from Grand Duc could be related to fluid boiling which results in the destabilization of gold-bearing aqueous complexes. Pyrite from Doyon does not show this inferred boiling texture but shares characteristics of dissolution-reprecipitation processes, where metals in the pyrite lattice are dissolved and then reconcentrated into discrete mineral phases that commonly precipitate in voids and fractures created during pyrite dissolution.
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