Uniform and spherical ZrC nanoparticles derived from metal organic frameworks by one-step thermal decomposition

被引:0
作者
Geng, Bichao [1 ]
Yang, Jian [1 ,4 ]
Chen, Dapeng [2 ]
Jin, Junyang [1 ]
Wang, Yang [1 ]
Zhao, Lin [3 ]
Gu, Jian [1 ]
机构
[1] Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211816, Peoples R China
[2] Natl Key Lab Scattering & Radiat, Beijing 100854, Peoples R China
[3] Jingdezhen Ceram Univ, Sch Mat Sci & Engn, Adv Ceram Mat Res Inst, Jingdezhen 333403, Peoples R China
[4] Jiangsu Collaborat Innovat Ctr Adv Inorgan Funct C, Nanjing 211816, Peoples R China
关键词
Metal organic framework; Zirconium carbide nanoparticles; Ultra-high-temperature ceramics; Thermal decomposition; CARBOTHERMAL REDUCTION; SLURRY INFILTRATION; COMPOSITES; RESISTANCE; OXIDATION; SPECTROSCOPY; TEMPERATURE; PRECURSORS; ABLATION; ZIRCONIA;
D O I
10.1016/j.ceramint.2024.01.415
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The ZrC nanoparticles were successfully fabricated using a novel amorphous zirconium metal-organic frameworks (aZMOFs) by one-step thermal decomposition at 1500 degrees C. The effects of different metal/linker ratios and solvent types on the synthesized ZrC nanoparticles were investigated. The property analysis of the particle in terms of phase purity, particle size, TG-DTA analysis and morphology indicated the as-synthesized ZrC nanoparticles with high purity, spherical shape and uniform particle size distribution (100 +/- 21 nm). Notably, the partial distilled water substitution of DMF solvent amplifies the coordination between zirconium and linker, which leads to improving the consumption of excess carbon via carbothermal reduction. The current research provides a potential cost-effective synthesis method of preparing ultra-high temperature ceramic (UHTC) nanoparticles as matrices for fiber reinforced UHTC composites.
引用
收藏
页码:15013 / 15020
页数:8
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