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Journal articles on the topic 'Hydrothermal synthesis'

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Published: 4 June 2021
Last updated: 25 July 2025

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1

Decarreau, Alain, Sabine Petit, Philippe Vieillard, and Nathalie Dabert. "Hydrothermal synthesis of aegirine at 200C." European Journal of Mineralogy 16, no. 1 (2004): 85–90. http://dx.doi.org/10.1127/0935-1221/2004/0016-0085.

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2

Martin, Brigitte. "Keatite. II-Hydrothermal synthesis from silica-glass." European Journal of Mineralogy 7, no. 6 (1995): 1389–98. http://dx.doi.org/10.1127/ejm/7/6/1389.

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3

Kamitani, Masataka, Toru Tagami, Takashi Fukaya, Mitsunori Kondo, Tomonori Hiki, and Atsushi Nakahira. "Synthesis of A-Type Zeolite from Flat Glass Recycle by Hydrothermal Treatments and its Evaluation." Key Engineering Materials 616 (June 2014): 183–87. http://dx.doi.org/10.4028/www.scientific.net/kem.616.183.

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Synthesis of monolithic A-type zeolite (LTA) was attempted by hydrothermal processing from recycling flat glass. Crashed flat glass were pretreated and subsequently hydrothermally treated at 95°C for 24 h. As a result, monolithic A-type zeolite without another phase was successfully synthesized by the hydrothermal treatments. The synthetic condition was clarified during the pretreatment and hydrothermal treatments. The development of hydrothermal process for recycle of flat glass was carried out since the monolithic A-type zeolite was obtained under the optimum synthetic conditions (reaction t
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4

Evstigneeva, Tatiana, and Mahmud Tarkian. "Synthesis of platinum-group minerals under hydrothermal conditions." European Journal of Mineralogy 8, no. 3 (1996): 549–64. http://dx.doi.org/10.1127/ejm/8/3/0549.

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5

Benedek, Peter, Nils Wenzler, Maksym Yarema, and Vanessa C. Wood. "Low temperature hydrothermal synthesis of battery grade lithium iron phosphate." RSC Advances 7, no. 29 (2017): 17763–67. http://dx.doi.org/10.1039/c7ra00463j.

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Battery-grade LiFePO<sub>4</sub> is prepared via low-temperature hydrothermal synthesis. Optimizing the precursor concentration and the reaction time saves more than 30% energy compared to earlier hydrothermal syntheses of LiFePO<sub>4</sub> nanoparticles.
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6

Wang, Fen, Da Wei Liu, Jian Feng Zhu, and Dong Li. "Microwave Hydrothermal Synthesis of ZrSiO4 Nano-Powders." Advanced Materials Research 295-297 (July 2011): 1485–88. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.1485.

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High purity ZrSiO4powders were prepared using zirconium oxychloride and tetraethoxysilane as raw materials by the microwave hydrothermal (M-H) method, in which NaF was added as mineralizer to promote the crystallization of zircon. The results show that the microwave-hydrothermal method greatly reduces the starting crystallization temperature of ZrSiO4powders to 160~200 °C in 30 minutes, the characteristics of the microwave hydrothermally synthesized powders are superior to that synthesized by conventional hydrothermal in stability, purity and morphologies. And the XRD analysis shows that all p
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7

Milawati, Sri, Intan Syahbanu, and Risya Sasri. "Synthesis TiO2 -SiO2 Composites Using The Method Sol-Gel-Hydrothermal." Jurnal ILMU DASAR 22, no. 1 (2021): 51. http://dx.doi.org/10.19184/jid.v22i1.14492.

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Titanium dioxide (TiO2) is a transition metal oxide material which has been researched extensively and can be used for various applications. In this research, synthesis of TiO2 -SiO2 using TTIP and TEOS precursor. Research aims to determine the characteristics of composite materials generated based on the influence of hydrothermal time and precursor composition. Synthesis is done by variation of hydrothermal time (4 hours, 8 hours, 18 hours, 24 hours and without hydrothermal) and TEOS precursor composition variation (1:1, 1:2 and 2:1). Synthesis is made by dissolving the two precursors through
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8

Quaid, Thomas, Vahab Ghalandari, and Toufiq Reza. "Effect of Synthesis Process, Synthesis Temperature, and Reaction Time on Chemical, Morphological, and Quantum Properties of Carbon Dots Derived from Loblolly Pine." Biomass 2, no. 4 (2022): 250–63. http://dx.doi.org/10.3390/biomass2040017.

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In this study, carbon dots are synthesized hydrothermally from loblolly pine using top-down and bottom-up processes. The bottom-up process dialyzed carbon dots from hydrothermally treated process liquid. Meanwhile, hydrochar was oxidized into carbon dots in the top-down method. Carbon dots from top-down and bottom-up processes were compared for their yield, size, functionality, and quantum properties. Furthermore, hydrothermal treatment temperature and residence time were evaluated on the aforementioned properties of carbon dots. The results indicate that the top-down method yields higher carb
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9

Skubiszewska-Zięba, J., B. Charmas, and H. Waniak-Nowicka. "Hydrothermal and mechanochemical synthesis of crystalline CaCO3." Adsorption Science & Technology 35, no. 7-8 (2017): 668–76. http://dx.doi.org/10.1177/0263617417704298.

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Mechanochemical and microwave-assisted hydrothermal (MicroWave Treatment [MWT]) procedures were applied to prepare crystalline CaCO3. Mechanochemical process was carried out at different speeds of rotation (500 or 850 rpm/min), different duration times (30 or 60 min) and in the aqueous suspensions or in dry state. MWT synthesis was conducted in a saturated water vapour or under the layer of water. The crystalline and porous structures of the prepared samples as well as their morphology were investigated using N2 adsorption, X-ray diffraction and scanning electron microscopy methods. As a resul
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10

Yakubovskaya, A. "Microwave hydrothermal synthesis and luminescent properties of ZnWO4 nanoparticles." Functional materials 20, no. 4 (2015): 523–27. http://dx.doi.org/10.15407/fm20.04.523.

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11

Lin, Zhi, and Joã o. Rocha. "Hydrothermal synthesis of the tin analogue of penkvilksite-2O." European Journal of Mineralogy 17, no. 6 (2006): 869–73. http://dx.doi.org/10.1127/0935-1221/2005/0017-0869.

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12

Machmudah, Siti, Okky Putri Prastuti, Widiyastuti, et al. "Mechanism of Macroporous Zirconia Particles Formation Prepared by Hydrothermal Synthesis." Advanced Materials Research 1112 (July 2015): 538–41. http://dx.doi.org/10.4028/www.scientific.net/amr.1112.538.

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The purpose of this work was to investigate the mechanism of macroporous zirconia particles formation by hydrothermal synthesis. Hydrothermal synthesis of zirconia was prepared from precursor solution of Zr(NO3)2 with a concentration of 0.3 M at temperatures of 300 and 200°C carried out in a batch and a continuous reactor, respectively. Hydrothermally synthesized colloid subsequently was mixed with polystyrene template to form macroporous zirconia particles, and then was synthesized hydrothermally for 1 hour at temperature of 150°C and 200°C. Once the synthesis was complete, the particles were
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13

Moon, Jooho, Jeffrey A. Kerchner, Henrik Krarup, and James H. Adair. "Hydrothermal synthesis of ferroelectric perovskites from chemically modified titanium isopropoxide and acetate salts." Journal of Materials Research 14, no. 2 (1999): 425–35. http://dx.doi.org/10.1557/jmr.1999.0061.

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The feasibility of the acetylacetonate-Ti isopropoxide complex as a new precursor for synthesis of Ti-based perovskite particles under hydrothermal conditions has been demonstrated. Perovskite powders including BaTiO3, PbTiO3, PZT, PLZT, and SrTiO3 were prepared by reacting the acetylacetonate-modified Ti precursor in metal acetate aqueous salt solution under hydrothermal conditions. Synthesis parameters including reaction time and temperature, feedstock concentration, nd reaction medium significantly influence particle characteristics of the hydrothermally derived erovskite powders. It is pro
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14

Sun, Y., J. Qian, Q. R. Zhao, S. S. Yang, Y. Yang, and Q. Zhao. "Hydrothermal synthesis of rutile TiO2 nanotubes film on Ti foil for photocatalytic degradation." Digest Journal of Nanomaterials and Biostructures 16, no. 2 (2021): 579–84. http://dx.doi.org/10.15251/djnb.2021.162.579.

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One-dimensional TiO2 nanotubes film was synthesized on the Ti foil oxidized at 800℃ by hydrothermal method in a highly alkaline solution. The crystal structure, morphology and chemical state of the samples were characterized by X-ray diffraction, scanning electron microscope, transmission electron microscope and X-ray photoelectron spectroscopy. The result indicates that the TiO2 nanotubes film still remains rutile phase structure after hydrothermal treatment. The growth mechanism of TiO2 nanotubes is also discussed that includes dissolution, nucleation and growing process. The photocatalytic
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15

He, Meng, Kui Cheng, and Wen Jian Weng. "Preparation and Characterization of Micro-Nanostructured Anatase Film." Key Engineering Materials 587 (November 2013): 115–20. http://dx.doi.org/10.4028/www.scientific.net/kem.587.115.

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Micro-nano structured TiO2 films were prepared by hydrothermally seed layer-induced synthesis. The results showed that the films were composed of TiO2 platelets in size of 2μm~10μm. The maximum distance between platelets was ~4 μm. There were TiO2 nanodots (seed layer) in size of ~100nm between TiO2 platelets. This structured film was proven to be anatase and more anatase was detected along with hydrothermal synthesis. Water contact angle varied from 103° to 149° along with hydrothermal synthesis and all films showed super-hydrophilicity after UV illumination. These micro-nano structured films
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16

Kaminskas, Rimvydas, Anatolijus Eisinas, Irmantas Barauskas, and Motiejus Gaivenis. "Hydrothermally Treated Biomass Fly Ash as an Additive for Portland Cement." Sustainability 16, no. 7 (2024): 2754. http://dx.doi.org/10.3390/su16072754.

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This study aimed to investigate the possibility of using biomass fly ash as a cement additive after hydrothermal modification. The treatment of biomass fly ash involves additional milling and curing under various hydrothermal conditions. Variation of the CaO/SiO2 ratio was achieved by mixing different samples of biomass fly ash. Samples with a CaO/SiO2 ratio of 1 and 1.5 were selected for synthesis, and cement samples with different amounts of the synthesized additive were examined. The research employed the following methodologies: XRD, XRF, DSC-TG, ICP-OES, and isothermal calorimetry. It was
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17

Sushel, Kumar, and C. Chattopadhyaya M. "Synthesis of natrolite using the hydrothermal apparatus." Journal of Indian Chemical Society Vol. 83, Dec 2006 (2006): 1288–90. https://doi.org/10.5281/zenodo.5835384.

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Directorate of Geology and Mining, 63-B, Stainly Road, Allahabad-211 002, Uttar Pradesh, India <em>E-mail :</em> sushill010@rediffmail.com Chemical Laboratories, Department of Chemistry, University of Allahabad, Allahabad-211 002, Uttar Pradesh, India <em>E-mail :</em> mcc46@rediffmail.com <em>Manuscript received 21 August 2006, accepted 11 September 2006</em> Natrolite (Na<sub>2</sub>O.AI<sub>2</sub>O<sub> 3</sub>.3SiO<sub>2</sub>.2H<sub>2</sub>O) was synthesized using hydrothermal apparatus at temperatures 200, 250, 300 and 350 &deg;C and pressures 500 bar and 1000 bar. It was observed that
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18

Verma, Shri kant, Vikash Agrawal, Kiran Jain, Renu Pasricha, and Suresh Chand. "Green Synthesis of Nanocrystalline Cu2ZnSnS4 Powder Using Hydrothermal Route." Journal of Nanoparticles 2013 (June 27, 2013): 1–7. http://dx.doi.org/10.1155/2013/685836.

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Nanocrystalline Cu2ZnSnS4 (CZTS) powder was synthesized by a hydrothermal process, using thiourea as sulfur precursor. The powder was qualitatively analyzed using X-ray to identify the phase, and the size of the particles was determined using transmission electron microscopy (TEM). Raman peak at 337.5 cm−1 confirms the formation of pure CZTS particles. The powder was also synthesized solvothermally using ethylenediamine as solvent. The hydrothermally synthesized powder indicated the presence of the kesterite phase Cu2ZnSnS4 and particle size of about 4-5 nm. This environmentally green synthesi
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19

Sulardjaka, Deni Fajar Fitriyana, and Agus Purnomo Adi. "Synthesis of Zeolite from Geothermal Waste." Applied Mechanics and Materials 660 (October 2014): 157–61. http://dx.doi.org/10.4028/www.scientific.net/amm.660.157.

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The high content of silica in geothermal waste can be used as a alternative source of amorphous silica for the production of silicon based materials. In this research, geothermal waste was used as silica sources in hydrothermal reaction of zeolite synthesis. Zeolite was synthesized by unstirred hydrothermal process. Hydrothermal process was conducted at variation temperature 100, 110 and 120 °C for 5 hours. To study the effect of holding time on hydrothermal product, hydrothermal process also done in variation of: 1, 3 and 5 hours holding time at temperature 120 °C. All of hydrothermal product
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20

Alomair, Abdulaziz A., Sama M. Al-Jubouri, and Stuart M. Holmes. "A novel approach to fabricate zeolite membranes for pervaporation processes." Journal of Materials Chemistry A 3, no. 18 (2015): 9799–806. http://dx.doi.org/10.1039/c5ta00124b.

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21

Dac Dien, Nguyen, Luong Huu Phuoc, Do Duc Tho, Nguyen Anh Phuc Duc, Nguyen Duc Chien, and Dang Duc Vuong. "HYDROTHERMAL SYNTHESIS AND NH3 GAS SENSING PROPERTY OFWO3 NANO PARTICLES." Journal of Science, Natural Science 60, no. 7 (2015): 68–74. http://dx.doi.org/10.18173/2354-1059.2015-0034.

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22

Goerne, Gabriela Von, Gerhard Franz, and Richard Wirth. "Hydrothermal synthesis of large dravite crystals by the chamber method." European Journal of Mineralogy 11, no. 6 (1999): 1061–78. http://dx.doi.org/10.1127/ejm/11/6/1061.

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23

Almahdi Ibrahim Basha, Nouraldin. "Synthesis & Characterization of Zirconium Oxide (ZrO2) Nanoparticles in Hydrothermal." International Journal of Science and Research (IJSR) 12, no. 4 (2023): 385–88. http://dx.doi.org/10.21275/sr23331173806.

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24

Wei, Yi, Wei Chen, Chuanfu Liu, and Huihui Wang. "Facial Synthesis of Adsorbent from Hemicelluloses for Cr(VI) Adsorption." Molecules 26, no. 5 (2021): 1443. http://dx.doi.org/10.3390/molecules26051443.

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It is challenging work to develop a low-cost, efficient, and environmentally friendly Cr(VI) adsorbent for waste water treatment. In this paper, we used hemicelluloses from chemical fiber factory waste as the raw material, and prepared two kinds of carbon materials by the green hydrothermal method as adsorbent for Cr(VI). The results showed that hemicelluloses hydrothermally treated with citric acid (HTC) presented spherical shapes, and hemicelluloses hydrothermally treated with ammonia solution (HTC-NH2) provided spongy structures. The adsorption capacity of the samples can be obtained by the
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25

ITEC CO., LTD. "Supercritical Hydrothermal Synthesis System." Journal of the Vacuum Society of Japan 52, no. 10 (2009): 563–65. http://dx.doi.org/10.3131/jvsj2.52.563.

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26

Yan Y. Xi, Yan F. Hsu, and Wai K. Chan. "Hydrothermal Synthesis of Nanostructures." Recent Patents on Nanotechnology 1, no. 2 (2007): 121–28. http://dx.doi.org/10.2174/187221007780859591.

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27

Maeda, Masaki, Toshio Uehara, Hidetaka Sato, and Takuro Ikeda. "Hydrothermal Synthesis of BaBe2Si2O7." Japanese Journal of Applied Physics 30, Part 1, No. 9B (1991): 2240–42. http://dx.doi.org/10.1143/jjap.30.2240.

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28

Mizutani, T., Y. Fukushima, A. Okada, and O. Kamigaito. "Hydrothermal synthesis of sepiolite." Clay Minerals 26, no. 3 (1991): 441–45. http://dx.doi.org/10.1180/claymin.1991.026.3.14.

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29

Gan, Yong X., Ahalapitiya H. Jayatissa, Zhen Yu, Xi Chen, and Mingheng Li. "Hydrothermal Synthesis of Nanomaterials." Journal of Nanomaterials 2020 (January 30, 2020): 1–3. http://dx.doi.org/10.1155/2020/8917013.

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30

Nagase, Takako, Takeo Ebina, Takashi Iwasaki, Hiromichi Hayashi, Yoshio Onodera, and Maya Chatterjee. "Hydrothermal Synthesis of Brookite." Chemistry Letters 28, no. 9 (1999): 911–12. http://dx.doi.org/10.1246/cl.1999.911.

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31

Earl, J. S., D. J. Wood, and S. J. Milne. "Hydrothermal synthesis of hydroxyapatite." Journal of Physics: Conference Series 26 (February 22, 2006): 268–71. http://dx.doi.org/10.1088/1742-6596/26/1/064.

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32

Zhu, Gangqiang, Peng Liu, Yun Liu, Hongyan Miao, and Jianping Zhou. "Hydrothermal Synthesis YbMnO3and LuMnO3Platelets." Journal of the American Ceramic Society 91, no. 10 (2008): 3423–27. http://dx.doi.org/10.1111/j.1551-2916.2008.02609.x.

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33

Wu, Mingmei, Xiuling Li, Guoping Shen, et al. "Hydrothermal synthesis of Pb2SnO4." Materials Research Bulletin 34, no. 7 (1999): 1135–42. http://dx.doi.org/10.1016/s0025-5408(99)00100-2.

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34

Weller, Mark T., and Sandra E. Dann. "Hydrothermal synthesis of zeolites." Current Opinion in Solid State and Materials Science 3, no. 2 (1998): 137–43. http://dx.doi.org/10.1016/s1359-0286(98)80078-8.

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35

LAUDISE, ROBERT A. "Hydrothermal Synthesis of Crystals." Chemical & Engineering News 65, no. 39 (1987): 30–43. http://dx.doi.org/10.1021/cen-v065n039.p030.

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36

Wang, Yuh-Ruey, Sea-Fue Wang, and Li-Chung Chang. "Hydrothermal synthesis of magadiite." Applied Clay Science 33, no. 1 (2006): 73–77. http://dx.doi.org/10.1016/j.clay.2006.02.001.

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37

Guo-Chang, LI, WANG Ping, and LIU Chang-Bo. "Hydrothermal Synthesis of Whitlockite." Journal of Inorganic Materials 32, no. 11 (2017): 1128. http://dx.doi.org/10.15541/jim20160704.

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38

Komarneni, S., and E. Breval. "Characterization of smectites synthesised from zeolites and mechanism of smectite synthesis." Clay Minerals 20, no. 2 (1985): 181–88. http://dx.doi.org/10.1180/claymin.1985.020.2.03.

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AbstractSmectites were synthesised hydrothermally from zeolites in an Mg-rich brine at 300°C under a confining pressure of 30 MPa and characterized by XRD using the Greene-Kelley Li-saturation test and the K+-saturation/glycolation test. The synthetic smectites were found to be dioctahedral with only tetrahedral negative layer charge; the layer charge was also deduced to be low and they are classified as beidellites. The mechanism of formation includes H+ saturation of zeolites by the hydrolysis of Mg2+ under hydrothermal conditions, followed by decomposition of the zeolites and recrystallizat
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39

Nazatul Akmal Nazibudin, Mohammad Faiz Zainuddin, and Che Azurahanim Che Abdullah. "Hydrothermal Synthesis of Carbon Quantum Dots: An Updated Review." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 101, no. 1 (2023): 192–206. http://dx.doi.org/10.37934/arfmts.101.1.192206.

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Carbon Quantum Dots (CQDs) have exceptionally solid and tuneable fluorescence properties which empower their application in vast fields. The hydrothermal approach is regarded as direct and efficient, through polymerization and carbonization reactions, and has been widely applied to prepare various materials due to the high reactivity of the reactants, easy control of the solution, little harm to the environment and low energy consumption under hydrothermal condition. The attracting feature of this route is that neither any strong acid nor post-synthetic surface passivation is necessary. As of
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40

Abbasian, Saeid, and Majid Taghizadeh. "Effects of Microwave and Ultrasonic-Assisted Aging on the Synthesis of H-ZSM-5 Nanozeolite and Its Catalytic Performance in Methanol Dehydration." International Journal of Chemical Reactor Engineering 12, no. 1 (2014): 355–62. http://dx.doi.org/10.1515/ijcre-2014-0021.

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Abstract H-ZSM-5 nanozeolite was hydrothermally synthesized under static conditions. Evaluation of hydrothermal synthesis of ZSM-5 was performed by treating the synthesis mixture using different aging processes, consist of ultrasonic, stirring, and microwave-assisted aging, prior to the conventional hydrothermal treatment. The catalytic performances of selected catalysts were studied for the dehydration of methanol to dimethyl ether (DME) in a fixed-bed reactor under the same operating conditions (T = 300°C, P = 1 atm, and WHSV = 26 h−1). The prepared samples were characterized by XRD, SEM, BE
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41

Kubo, Takashi, Masayuki Hogiri, Hiroshi Kagata, and Atsushi Nakahira. "Synthesis of Nano-Sized Barium Titanate Powder by Rotary-Hydrothermal Process." Key Engineering Materials 421-422 (December 2009): 269–72. http://dx.doi.org/10.4028/www.scientific.net/kem.421-422.269.

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Nano-sized BaTiO3 powders with narrow size distribution and the high tetragonality were attempted to synthesize by the rotary-hydrothermal process in water system, using two kinds of commercial anatase-type TiO2 (ST21/ST01) with different particle size and Ba(OH)2. The rotary-hydrothermal syntheses were done with the rotary-speed of 20 revolutions per minute at 523 K for 24 h. Highly- and mono-dispersed BaTiO3 powders were successfully synthesized by applying the rotary-hydrothermal process. For rotary-hydrothermal synthesis, it was found that the average size, tetragonality, and quality of th
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42

Jamarun, Novesar, Asregi Asril, Zulhadjri Zilfa, and Upita Septiani. "EFFECT OF HYDROTHERMAL TEMPERATURE ON SYNTHESIS OF HYDROXYAPATITE FROM LIMESTONE VIA HYDROTHERMAL METHOD." International Journal of Applied Pharmaceutics 10, no. 1 (2018): 136. http://dx.doi.org/10.22159/ijap.2018v10i1.23278.

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Objective: In this study, the effect of hydrothermal temperature on the synthesis of hydroxyapatite (HAp) from limestone was investigated.Methods: Precursors of limestone (CaCO3) and diammonium hydrogen phosphate ((NH4)2HPO4) with Ca/P ratio of 1.67 was mixed at pH 10 in order to synthesize hydroxyapatite by hydrothermal method. The solution was hydrothermally treated in an autoclave at various temperatures of 120, 160 and 200 °C for 24 h. Nano powder formed was then characterized.Results: The hydroxyapatite obtained by hydrothermal method at various temperatures was characterized. The analysi
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43

Wu, Mihye, Hyemin Park, Eun Gyu Lee, Sanghun Lee, Yu Jin Hong, and Sungho Choi. "Luminescence Quenching Behavior of Hydrothermally Grown YVO4:Eu3+ Nanophosphor Excited under Low Temperature and Vacuum Ultra Violet Discharge." Materials 13, no. 15 (2020): 3270. http://dx.doi.org/10.3390/ma13153270.

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The luminescence quenching behavior and energy transfer process in hydrothermally grown Eu3+-doped YVO4 nanophosphors were studied using low temperature photoluminescence spectroscopy. The luminescence efficiency of nanophosphor is dependent on the acidity of its solution media and the post annealing condition after hydrothermal processing. The overall results suggest that the abnormal luminescence behavior of Eu3+-doped nanocrystalline YVO4 under low temperature photoexcitation is due to the incorporated non-radiative hydroxyl groups often encountered in hydrothermal synthesis as well as to t
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44

Li, San Mei, Shao Yun Shan, Qing Ming Jia, Yi Cheng Hu, Li Hong Jiang, and Ya Ming Wang. "Process on Inorganic Nanomaterial Synthesis by Microwave-Hydrothermal Methods." Advanced Materials Research 534 (June 2012): 89–92. http://dx.doi.org/10.4028/www.scientific.net/amr.534.89.

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The microwave-hydrothermal method is one of the methods preparing inorganic material. In this paper, the synthesis principle and application of microwave–hydrothermal technology in preparing nano-material were summarized. The application prospect of synthesizing inorganic material by microwave- hydrothermal method was prospected. The microwave- hydrothermal technology plays an important role in accelerating and optimizing the crystallization and nuclear of inorganic nano-material, which will provide a new way for inorganic material synthesis.
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45

Wang, Shi Ping, Hong Yan Miao, and Guo Qiang Tan. "Hydrothermal Synthesis of Sodium-Potassium Niobate Nanopowders." Key Engineering Materials 368-372 (February 2008): 579–81. http://dx.doi.org/10.4028/www.scientific.net/kem.368-372.579.

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Sodium-potassium Niobate (K0.4Na0.6NbO3, KNN) nanopowders were prepared by hydrothermal synthesis at the temperature range of 140-180°C for 12-48h using Nb2O5, NaOH and KOH as source materials. By means of XRD and SEM techniques, the effects of composition and hydrothermal treatment process, such as the rate of [R]/[Nb], the concentration of the alkali, the hydrothermal treatment temperature and the hydrothermal treatment time, on the microstructures and the crystallinity of alkali metals niobate were investigated in details. Results show that K0.4Na0.6NbO3 powders could be achieved by hydroth
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46

Cui, Chaopeng, Yimin Gao, Shizhong Wei, Guoshang Zhang, Xiangwei Zhu, and Songliang Guo. "Preparation and Properties of ZrO2/Mo Alloys." High Temperature Materials and Processes 36, no. 2 (2017): 163–66. http://dx.doi.org/10.1515/htmp-2015-0180.

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AbstractThe nano-sized ZrO2 reinforced Mo alloys were prepared by hydrothermal synthesis and subsequent sintering. During preparation, the nano-sized ZrO2 particles were added into the Mo powder via hydrothermal synthesis. This work investigated the differences in mechanical properties and microstructures of the Mo-ZrO2 alloys prepared by hydrothermal synthesis and the other traditional method. As the amount of ZrO2 particles increased, the grain size of the Mo powders reduced obviously. The grains were refined obviously after sintering. The ZrO2 particles added by hydrothermal synthesis can e
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47

Haq, Inam Ul, Abdul Waheed Anwar, Zeeshan Abdullah, Abdul Waheed, Zunair Arslan, and Usman Ilyas. "A Comparison of Two-Way (Chemical and Thermal) Synthesis and Characterization of Graphene Oxide (GO) and Reduced Graphene Oxide (rGO)." Journal of Nano Research 85 (November 29, 2024): 53–62. http://dx.doi.org/10.4028/p-6v4eos.

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Graphene oxide (GO) was prepared by two methods; Modified Hummer’s as well as Improved Hummer’s methods. Similarly reduced graphene oxide (rGO) was also prepared by two methods namely chemical and hydrothermal methods. Chemically rGO was prepared using urea and aluminium powder while hydrothermally rGO was prepared using autoclave and hot air oven. The sample obtained were characterized using UV-Visible, FTIR, XRD and Raman spectroscopy. The result of the given samples obtained by the above methods for GO and rGO were compared and analyzed which showed that the hydrothermal route is better due
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48

Yin, Shungao, Yanting Wu, Jiale Chen, et al. "Facile hydrothermal synthesis of BiFeO3 nanoplates for enhanced supercapacitor properties." Functional Materials Letters 11, no. 01 (2018): 1850013. http://dx.doi.org/10.1142/s1793604718500133.

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Perovskite BiFeO3 nanoplates were prepared via a facile hydrothermal method with NaOH as mineralizer. The obtained BiFeO3 nanoplates are about 30[Formula: see text]nm [Formula: see text] 90[Formula: see text]nm [Formula: see text]90[Formula: see text]nm in an average shape. This hydrothermal novel nanostructure with lots of defects largely enhances the specific capacitance compared with the electrochemically deposited BiFeO3 nanoparticles. The electrode of BiFeO3 nanoplates exhibits the highest specific capacitance of 254.6[Formula: see text]F g[Formula: see text] at a scan rate of 1[Formula:
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49

Christé, Esteves da Silva, and Pinto da Silva. "Evaluation of the Environmental Impact and Efficiency of N-Doping Strategies in the Synthesis of Carbon Dots." Materials 13, no. 3 (2020): 504. http://dx.doi.org/10.3390/ma13030504.

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The efficiency and associated environmental impacts of different N-doping strategies of carbon dots (CDs) were evaluated. More specifically, N-doped CDs were prepared from citric acid via two main synthesis routes: Microwave-assisted hydrothermal treatment with addition of N-containing small organic molecules (urea and ethylenediamine (EDA)); and microwave-assisted solvothermal treatment in N-containing organic solvents (n,n-dimethylformamide (DMF), acetonitrile and pyridine). These syntheses produced CDs with similar blue emission. However, XPS analysis revealed that CDs synthesized via both
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50

Moon, Jooho, Tuo Li, Clive A. Randall, and James H. Adair. "Low temperature synthesis of lead titanate by a hydrothermal method." Journal of Materials Research 12, no. 1 (1997): 189–97. http://dx.doi.org/10.1557/jmr.1997.0025.

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Alkoxide-based hydrothermal powder synthesis of lead titanate was investigated. The objective of this work was to lower the synthesis temperature. By modifying titanium isopropoxide with acetylacetone during solution mixing, the phase-pure lead titanate with perovskite structure was synthesized at temperatures as low as 150 °C. It was determined that the pH of the hydrothermal reaction medium and the initial Pb/Ti ratio are critical factors in forming stoichiometric PbTiO3. When the pH of the initial feedstock is above 14 and the Pb/Ti ratio is greater than 1.5, a phase-pure PbTiO3 can be obta
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