(Y2O3) yttrium oxide doped alumina (Al2O3) bulk aerogel

(Y2O3) yttrium oxide doped alumina (Al2O3) bulk aerogel; yttrium oxide doped alumina bulk aerogel;Y2O3 doped Al2O3 bulk aerogel, the doping content is controlled in the range of 2.5wt% ~ 30wt% Y2O3. The results show that the doping of yttrium oxide can make the alumina aerogel in Maintain a high specific surface area and improve its thermal stability at high temperatures. After heat treatment at 1000°C, the 5.0wt% Y2O3-Al2O3 aerogel is still in an amorphous form, without phase transition, and the specific surface area is still 380~400 m2/ g, much higher than pure Al2O3 aerogel (174 m2/g).

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