Patent ID: 11913930
Assignee: QINGDAO UNIVERSITY, CHINA
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 1:
2. The method of claim 1, wherein the porous bismuth oxide material is prepared by a one-pot hydrothermal method; the method comprising the steps of:
a) dissolving an amount of bismuth nitrate in a mixture of ethanol and ethylene glycol, and kept stirring at room temperature;
b) transferring the above mixture into a Teflon®-lined stainless-steel autoclave;
c) reacting the mixture at 120-160° C. for 2-16 hours;
d) collecting the precipitates by centrifugation;
e) washing the product with absolute ethanol and deionized water; and
f) air-drying the product at 60° C. in an oven for more than 8 h.