Academic literature on the topic 'Tungsten trioxide'

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Journal articles on the topic "Tungsten trioxide"

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Memou, Cherifa Hakima, Mohamed Amine Bekhti, Mohamed Kiari, et al. "Fabrication and Characterization of a Poly(3,4-ethylenedioxythiophene)@Tungsten Trioxide–Graphene Oxide Hybrid Electrode Nanocomposite for Supercapacitor Applications." Nanomaterials 13, no. 19 (2023): 2664. http://dx.doi.org/10.3390/nano13192664.

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With the rapid development of nanotechnology, the study of nanocomposites as electrode materials has significantly enhanced the scope of research towards energy storage applications. Exploring electrode materials with superior electrochemical properties is still a challenge for high-performance supercapacitors. In the present research article, we prepared a novel nanocomposite of tungsten trioxide nanoparticles grown over supported graphene oxide sheets and embedded with a poly(3,4-ethylenedioxythiophene) matrix to maximize its electrical double layer capacitance. The extensive characterizatio
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Woodward, P. M., A. W. Sleight, and T. Vogt. "Ferroelectric Tungsten Trioxide." Journal of Solid State Chemistry 131, no. 1 (1997): 9–17. http://dx.doi.org/10.1006/jssc.1997.7268.

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Porkodi, P., V. Yegnaraman, and D. Jeyakumar. "Polyol mediated synthesis of tungsten trioxide and Ti doped tungsten trioxide." Materials Research Bulletin 41, no. 8 (2006): 1476–86. http://dx.doi.org/10.1016/j.materresbull.2006.01.030.

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He, Xinyi, Yi Xiong, Meng Zhao, and Wei Zeng. "Study on Structural Stability of Black Phosphorus/Bismuth Oxysulfide/Tungsten Trioxide Heterojunction Based on XRD Measurement." Journal of Physics: Conference Series 2395, no. 1 (2022): 012003. http://dx.doi.org/10.1088/1742-6596/2395/1/012003.

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Abstract X-ray diffraction is employed to characterize the black phosphorus/bismuth oxysulfide/tungsten trioxide heterojunction composites to explore the alterations in crystallite size and micro-strain. The sample is immersed in sodium sulfite and tested each week. The Scherrer formula and Williamson-Hall plots are used to explore the effect of black phosphorus on improving the stability of the bismuth oxysulfide/tungsten trioxide heterojunction. The results show that the structure of black phosphorus/bismuth oxysulfide/tungsten trioxide heterojunction has changed as follows. The value of cry
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Lisitsyna, L. A., G. K. Alpyssova, and D. A. Mussakhanov. "Optical characteristics of tungsten trioxide luminescence in different matrices." Bulletin of the Karaganda University "Physics Series" 11629, no. 4 (2024): 143–55. https://doi.org/10.31489/2024ph4/143-155.

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The comparative research using time-resolved spectroscopy of the optical characteristics of an emission in two types phosphors: natural phosphors: ZnWO4, CdWO4, microcrystalline WO3, and artificial once: wide band gap dielectrics LiF, MgF2и BaF2 doped with tungsten trioxide were presented. Both single crystals and сeramic samples obtained in the process of high-speed radiation synthesis in air under a flux of 1.5 MeV elec- trons were studied. It has been established that the spectral-kinetic characteristics of the studied materials lu- minescence are the similarity in dielectrics, where WO3 is
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Han, Chulwoong, Hyunwoong Na, Hanshin Choi, and Yonghwan Kim. "High Purity Tungsten Spherical Particle Preparation From WC-Co Spent Hard Scrap." Archives of Metallurgy and Materials 60, no. 2 (2015): 1507–9. http://dx.doi.org/10.1515/amm-2015-0162.

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Abstract Tungsten carbide-cobalt hard metal scrap was recycled to obtain high purity spherical tungsten powder by a combined hydrometallurgy and physical metallurgy pathway. Selective leaching of tungsten element from hard metal scrap occurs at solid / liquid interface and therefore enlargement of effective surface area is advantageous. Linear oxidation behavior of Tungsten carbide-cobalt and the oxidized scrap is friable to be pulverized by milling process. In this regard, isothermally oxidized Tungsten carbide-cobalt hard metal scrap was mechanically broken into particles and then tungsten t
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Sun, Shi Bin, Zeng Da Zou, and Guang Hui Min. "WO3 Nanostructures Synthesized by a Sonochemical Strategy." Advanced Materials Research 60-61 (January 2009): 16–21. http://dx.doi.org/10.4028/www.scientific.net/amr.60-61.16.

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A simple sonochemical synthesis of tungsten trioxide hydrate with various morphologies has been developed by using tungsten hexachloride (WCl6) as precursor and water, ethanol and their mixture as solvent, followed by annealing in a tube furnace. The resulting products were structurally characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transition electron microscopy (TEM) and differential thermal analysis (DTA). Results show that nanowhiskers emanating from the core of nanoparticles have been obtained with ethanol as solvent, and that nanoplates and nanosheets were
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Daniel, M. F., B. Desbat, J. C. Lassegues, B. Gerand, and M. Figlarz. "Infrared and Raman study of WO3 tungsten trioxides and WO3, xH2O tungsten trioxide tydrates." Journal of Solid State Chemistry 67, no. 2 (1987): 235–47. http://dx.doi.org/10.1016/0022-4596(87)90359-8.

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Zhao, Yaoxing, Cuncai Lv, Qingli Huang, Zhipeng Huang, and Chi Zhang. "Self-supported tungsten/tungsten dioxide nanowires array as an efficient electrocatalyst in the hydrogen evolution reaction." RSC Advances 6, no. 92 (2016): 89815–20. http://dx.doi.org/10.1039/c6ra17194j.

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A tungsten/tungsten dioxide nanowires array was constructed on a carbon paper through the thermal annealing of tungsten trioxide, and was proven to be an efficient hydrogen evolution cathode with strong durability in acidic solutions.
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Medvezhynska, Olha, and Anatoliy Omel'chuk. "(Digital Presentation) Electrochemical Reduction of Oxygen-Containing Tungsten Compounds on a Liquid Gallium Cathode in an Eutectic Melt of Calcium and Sodium Chlorides." ECS Meeting Abstracts MA2022-02, no. 54 (2022): 2044. http://dx.doi.org/10.1149/ma2022-02542044mtgabs.

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This paper presents the results of studies of electrochemical reduction of oxygen-containing tungsten compounds (WO3, CaWO4) in a molten eutectic mixture of calcium and sodium chlorides. In contrast to the known methods of direct electrochemical reduction of refractory metal oxides, it is proposed to reduce the initial oxygen-containing tungsten compounds in powder form on a liquid gallium cathode without resorting to pre-pressing and sintering operations. In the temperature range 600-1000 °C, at which the electrochemical reduction of these compounds takes place, gallium does not evaporate, do
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Dissertations / Theses on the topic "Tungsten trioxide"

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Garner, Sally Elizabeth. "Ion insertion in tungsten trioxide electrodes." Thesis, University of Leicester, 1997. http://hdl.handle.net/2381/30079.

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The role of ion insertion into the electrochromic metal oxide WO3 has been studied using a combination of electrochemical, gravimetric and spectroscopic techniques. The electrochemical quartz crystal microbalance (EQCM) was used to investigate the effect of electrolyte composition by studying the identity of the cations and anions involved and the concentration of the electrolyte used. It was found that the effect of electrolyte concentration and choice of anion did not affect film reduction and re-oxidation. The two cations studied, Li- and Na+, however cause marked differences in film redox
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Shen, Peikang. "A study of modified tungsten trioxide electrodes." Thesis, University of Essex, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315727.

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Reyes, Hernández Luis Fernando. "Tungsten trioxide nanocrystalline films for applications in gas sensors." Universidad Nacional de Ingeniería. Programa Cybertesis PERÚ, 2008. http://cybertesis.uni.edu.pe/uni/2008/reyes_hl/html/index-frames.html.

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Stewart, Laine Kincaid. "Tungsten trioxide and titanium dioxide photocatalytic degradations of quinoline." [Ames, Iowa : Iowa State University], 2009.

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Ma, Shuguo. "Reactions of Alcohols and Organophosphonates on Tungsten Trioxide Epitaxial Films." Fogler Library, University of Maine, 2003. http://www.library.umaine.edu/theses/pdf/MaS2003.pdf.

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Johansson, Malin. "Nanocrystalline Tungsten Trioxide Thin Films : Structural, Optical and Electronic Characterization." Doctoral thesis, Uppsala universitet, Fasta tillståndets fysik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-211855.

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This thesis concerns experimental studies of nanocrystalline tungsten trioxide thin films. Functional properties of WO3 have interesting applications in research areas connected to energy efficiency and green nanotechnology. The studies in this thesis are focused on characterization of fundamental electronic and optical properties in the semiconducting transition metal oxide WO3. The thesis includes also applied studies of photocatalytic and photoelectrochemical properties of the material.     All nanocrystalline WO3 thin films were prepared using DC magnetron sputtering. It was found that str
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Patel, K. J., G. G. Bhatt, J. R. Ray, et al. "Thickness-dependent electrochromic properties of amorphous tungsten trioxide thin films." Thesis, Jadavpur University, 2017. http://essuir.sumdu.edu.ua/handle/123456789/65503.

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Tungsten Trioxide (WO3) thin films were grown by thermal evaporation method to study the effect of film’s thickness on its electrochromic (EC) properties. The WO3thin films of different thicknesses were grown on Indium Tin Oxide (ITO) coated glass and soda lime (bare) glass substrate held at room temperature. The surface composition of the thin films was investigated using X-ray photoelectron spectroscopy measurement, which showed the oxygen to tungsten atomic composition ratio to be nearly 2.97. The EC properties of the thin films were examined using electrochemical techniques. Cyclic-v
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Verbrugghe, Nathalie. "Lithographie optique, dépôts de films minces de tungstène et trioxyde de tungstène dédiés aux capteurs de gaz semiconducteurs." Thesis, Littoral, 2019. http://www.theses.fr/2019DUNK0527/document.

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Porté par les préoccupations actuelles en matière de sécurité et de qualité environnementale ainsi que par les efforts de recherche entrepris dans ce domaine, le marché mondial des capteurs de gaz est en pleine expansion. Dans le contexte de la commercialisation d'un capteur de gaz, une phase d'amélioration de ses performances, et notamment de sa sensibilité et de sa stabilité, est naturellement nécessaire. Cependant, il s'avère également pertinent d'envisager d'en diminuer le coût de fabrication. Pour cela, il convient de développer une technologie utilisant d'une part des matériaux bas coût
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Angeletti, Andrea. "Electronic properties of the WO2 (001) polar surface of tungsten trioxide." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/23141/.

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Tungsten trioxide WO3 shows promising perspectives in many fields of research. Surface states appear to play a fundamental role on the overall functionality of the material. Experimental evidences showed the capability to consistently obtain meta-stable polar surfaces, characterized by large amount of excess charge on the surface. In this study, we investigate the WO2 terminated polar (001) surface, by density functional theory calculations. Our data suggest a tri-dimensional nature of the excess electrons, delocalized across the entire slab, compared to the usually observed two-dimensional el
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Vallejos, Vargas Stella. "Study of Structural and Sensing Properties of Tungsten Trioxide Thin Films Deposited By RF Sputtering." Doctoral thesis, Universitat Rovira i Virgili, 2008. http://hdl.handle.net/10803/8461.

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Hoy en día la habilidad de producir capas de óxidos metálicos compuestos por nanogranos es muy importante, no sólo como conocimiento fundamental, sino también desde un punto de vista industrial debido a las numerosas aplicaciones de los óxidos metálicos nanoesctructurados en varios dispositivos electrónicos. Por ejemplo, en el campo de los sensores de gas, la relación superficie-volumen de las capas basadas en nanogranos de óxidos metálicos, ofrece la posibilidad de mejorar las propiedades de detección de estos dispositivos. Por esta razón, una gran fracción del total de la investigación y des
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Books on the topic "Tungsten trioxide"

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Woodward, Patrick M. Structural distortions, phase transitions, and cation ordering in the perovskite and tungsten trioxide structures. 1996.

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Book chapters on the topic "Tungsten trioxide"

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Vinoth Kumar, J., A. Amarkarthik, T. Santhosh, R. Solomon Allenjudah, and U. Sundreswaran. "Performance Analysis of Automobile Radiator Using Tungsten Trioxide Nano-Fluid." In Springer Proceedings in Materials. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8319-3_117.

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Vinoth Kumar, J., A. Amarkarthik, R. Harish, S. Mugundan, and R. R. Suriyaa. "Performance Analysis of Flat-Plate Solar Collector Using Tungsten Trioxide Nanofluid." In Springer Proceedings in Materials. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8319-3_83.

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Kamble, Chetan, and M. S. Panse. "Interdigitated Electrodes and Microcantilever Devices for Sensitive Gas Sensor Using Tungsten Trioxide." In Proceedings of the 2nd International Conference on Data Engineering and Communication Technology. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1610-4_34.

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Deniz, Derya, Aravind Reghu, and Robert J. Lad. "Nanostructured Tin Dioxide and Tungsten Trioxide Gas Sensors Prepared by Glancing Angle Deposition." In Nanostructured Materials and Nanotechnology IV. John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470944042.ch5.

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Gupta, Jyoti, Prachi Singhal, and Sunita Rattan. "Chitosan/Nanographiteplatlets (NGP)/Tungsten Trioxide (WO3) Nanocomposites for Visible Light Driven Photocatalytic Applications." In Springer Proceedings in Physics. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8625-5_3.

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Alktranee, Mohammed, Mohammed A. Shehab, Zoltán Németh, and Péter Bencs. "Iron Oxide and Tungsten Trioxide Nanofluids to Enhance Automotive Cooling Radiators: Experimental Analysis." In Vehicle and Automotive Engineering 4. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-15211-5_43.

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Lusis, A., J. Kleperis, and E. Pentjuss. "Properties of Multi Phase Interfaces on the Tungsten Trioxide Particles in the Thin Films." In Defects and Surface-Induced Effects in Advanced Perovskites. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4030-0_25.

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Keerthana, M., M. S. Suma, P. Jisha, and Saisha Vinjamuri. "Synthesis and Characterization of Polyaniline-Tungsten Trioxide Nanocomposites for Room Temperature Detection of Malaria Biomarkers." In Advances in Science, Technology & Innovation. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-73816-6_35.

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Dhaked, Khushbu, Rimpy Shukla, Krishna S. Sharma, and Ramphal Sharma. "Ab-Initio Investigation of Optical and Electronic-Structure Properties of Monoclinic Tungsten Trioxide (WO3): A DFT Approach." In Springer Proceedings in Physics. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-6795-6_28.

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Dubey, Priyanka, Sadanand, Shambhavi Rai, B. K. Pandey, and D. K. Dwivedi. "Simulation Engineering of Heterojunction Colloidal Quantum Dot- Solar Cell Using Tungsten Trioxide (WO3) as an Electron Transport Layer." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2631-0_20.

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Conference papers on the topic "Tungsten trioxide"

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Lin, Haidan, Lijie Xu, Dan Liu, et al. "Research on microbial regulation technology in transformer oil using doped tungsten trioxide nanoparticles." In Third International Conference on Advanced Materials and Equipment Manufacturing (AMEM 2024), edited by Michele Penza and Shunli Wang. SPIE, 2025. https://doi.org/10.1117/12.3069400.

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Nithya, G., K. Naveen Kumar, Habibuddin Shaik, et al. "Optimization of Tungsten Trioxide (Wo3) Thin Films Using RF Sputtering Towards UV Photo Detector Application." In 2024 International Conference on Knowledge Engineering and Communication Systems (ICKECS). IEEE, 2024. http://dx.doi.org/10.1109/ickecs61492.2024.10616872.

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Zhang, Daiyun, Hongbo Li, Guoxin Zhang, Yuliang Wang, and Weizhe Zhang. "Determination of Tungsten Trioxide Content in Tungsten Tin Ore by Gravimetric Method." In Proceedings of The 11th Academic Conference of Geology Resource Management and Sustainable Development. Aussino Academic Publishing House, 2023. http://dx.doi.org/10.52202/073371-0049.

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Martinez-Juárez, J., and J. Díaz-Reyes. "A method for deposition of tungsten trioxide (WO3)." In Sixth International Conference on Advanced Optical Materials and Devices, edited by Janis Spigulis, Andris Krumins, Donats Millers, et al. SPIE, 2008. http://dx.doi.org/10.1117/12.815958.

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KUDO, T., Y.-M. LI, Y. TANAKA, and M. HIBINO. "PROTON CONDUCTIVITY OF TUNGSTEN TRIOXIDE HYDRATES AT INTERMEDIATE TEMPERATURE." In Proceedings of the 7th Asian Conference. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812791979_0079.

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Udristioiu, Mihaela-Tinca, and Mariana Osiac. "Au-incorporated tungsten trioxide obtained by pulsed laser deposition." In TIM 19 PHYSICS CONFERENCE. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0001046.

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Masetti, Enrico, Danilo Dini, and Franco Decker. "Tungsten trioxide films during cation insertion: in situ optical characterization." In 1994 International Symposium on Optical Interference Coatings, edited by Florin Abeles. SPIE, 1994. http://dx.doi.org/10.1117/12.192169.

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Halek, Patryk, Grzegorz Halek, and Helena Teterycz. "Influence of humidity on parameters of gold doped tungsten trioxide." In 2010 International Students and Young Scientists Workshop "Photonics And Microsystems". IEEE, 2010. http://dx.doi.org/10.1109/stysw.2010.5714162.

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GOROKH, G., A. MOZALEV, D. SOLOVEI, et al. "FORMATION OF NANOPOROUS ALUMINA FILMS WITH TUNGSTEN TRIOXIDE SENSING LAYERS." In Reviews and Short Notes to Nanomeeting-2005. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701947_0135.

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Chen, Chih Hao, Tseung-Yuen Tseng, and Chung Jung Hung. "Fabrication of flexible electrochromic devices based on tungsten trioxide nanobundles." In 2016 2nd International Conference on Intelligent Green Building and Smart Grid (IGBSG). IEEE, 2016. http://dx.doi.org/10.1109/igbsg.2016.7539422.

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