xWO3,M=Cs、Rb中的一種或兩種)粉體,探究了銫、銣分別單摻雜和銫、銣共摻雜對鎢青銅粉體晶相、形貌的影響。利用X-射線衍射儀(XRD)、X-射線能譜儀(EDS)、掃描電子顯微鏡(SEM)、X-射線光電子能譜儀(XPS)、紫外可見近紅外光譜(UV-Vis-NIR)、隔熱膜溫度測試儀對所合成堿鎢青銅粉體的物相、形貌、光學性能和隔熱性能進行了表征。結果表明: 溶膠-凝膠法所合成的堿鎢青銅粉體結晶性較好、粒徑較小且分散性較好；Cs、Rb共摻雜的透明絕熱指數(shù)K=150.34比Rb單摻雜提高了23.92,改善了Cs單摻雜在1076nm處透過率突變的情況；Cs、Rb共摻雜的溫差(與起始溫度相比)為4.9℃比Rb單摻雜的溫差下降了5.7℃。"/>

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堿鎢青銅粉體的溶膠-凝膠法合成與表征
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深圳大學 化學與環(huán)境工程學院 廣東 深圳 518060

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廣東省科技計劃項目(2016B090930011),深圳市科技計劃項目(JCYJ20160226192609015)


Synthesis and Characterization of Alkaline Tungsten Bronze Powder by Sol-Gel Method
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1.深圳大學西麗校區(qū)B1化學與環(huán)境工程學院B1-438;2.Shenzhen University

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    摘要:

    本文采用溶膠-凝膠法合成了堿鎢青銅(MxWO3,M=Cs、Rb中的一種或兩種)粉體,探究了銫、銣分別單摻雜和銫、銣共摻雜對鎢青銅粉體晶相、形貌的影響。利用X-射線衍射儀(XRD)、X-射線能譜儀(EDS)、掃描電子顯微鏡(SEM)、X-射線光電子能譜儀(XPS)、紫外可見近紅外光譜(UV-Vis-NIR)、隔熱膜溫度測試儀對所合成堿鎢青銅粉體的物相、形貌、光學性能和隔熱性能進行了表征。結果表明: 溶膠-凝膠法所合成的堿鎢青銅粉體結晶性較好、粒徑較小且分散性較好；Cs、Rb共摻雜的透明絕熱指數(shù)K=150.34比Rb單摻雜提高了23.92,改善了Cs單摻雜在1076nm處透過率突變的情況；Cs、Rb共摻雜的溫差(與起始溫度相比)為4.9℃比Rb單摻雜的溫差下降了5.7℃。

    Abstract:

    In this paper, powders of alkali tungsten bronze (MxWO3, M=Cs, Rb or one of them) were synthesized by sol-gel method. The tantalum and niobium were respectively doped and yttrium and lanthanum co-doped to tungsten bronze. The effect of powder crystal phase and morphology. X-ray diffractometer (XRD), X-ray energy spectrometer (EDS), scanning electron microscope (SEM), X-ray photoelectron spectroscopy (XPS), UV-visible near-infrared spectroscopy (UV-Vis-NIR) The phase, morphology, optical properties and thermal insulation properties of the synthesized alkali tungsten bronze powder were characterized by a thermal film temperature tester. The results show that the alkali-tungsten bronze powder synthesized by sol-gel method has good crystallinity, small particle size and good dispersibility. The transparent adiabatic index of Cs and Rb co-doped K=150.34 is higher than that of Rb single doping. 23.92, improved the Cs single doping at 1076nm transmission rate mutation; Cs, Rb co-doping temperature difference (compared to the starting temperature) is 4.9 ° C than the Rb single doping temperature difference decreased by 5.7 ° C.

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黃春波,鄭威猛,王俊生,厲良普,華悅,周俏婷,周天滋,呂維忠.堿鎢青銅粉體的溶膠-凝膠法合成與表征[J].稀有金屬材料與工程,2020,49(4):1331~1336.[Chunbo Huang, Weimeng Zheng, Junsheng Wang, Liangpu Li, Yue Hua, Qiaoting Zhou, Tianzi Zhou, Weizhong Lv. Synthesis and Characterization of Alkaline Tungsten Bronze Powder by Sol-Gel Method[J]. Rare Metal Materials and Engineering,2020,49(4):1331~1336.]
DOI：10.12442/j. issn.1002-185X. SG20190089

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  • 收稿日期:2019-07-03
  • 最后修改日期:2019-11-19
  • 錄用日期:2019-11-19
  • 在線發(fā)布日期: 2020-05-07
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