Copper oxide powder is a kind of brown black metal oxide powder, which is widely used.Cupric oxide is a kind of multifunctional fine inorganic material, which is mainly used in printing and dyeing, glass, ceramics, medicine and catalysis.It can be used as catalyst, catalyst carrier and electrode activation material, and can also be used as rocket propellant, which is the main component of catalyst,Copper oxide powder has been Bredt anvendt i oxidation, hydrogenering, NO, CO, reduktion og kulbrinteforbrænding.
Nano CuO powder has better catalytic activity, selectivity and other properties than large-scale copper oxide powder.Compared with ordinary copper oxide, nano CuO has more excellent electrical, optical and catalytic properties.The electrical properties of nano CuO make it very sensitive to the external environment such as temperature, humidity and light,Therefore, the sensor coated with nano CuO particles can greatly improve the response hastighed, følsomhed og selektivitet af sensoren. De spektrale egenskaber ved nano Cuo viser, at den infrarøde absorptionstop af nano-cuo åbenlyst udvides, og det blå skiftfænomen er åbenlyst. Koberoxid blev fremstillet af nanokrystallisering, det konstateres, at nano-kobberoxid med mindre partikelstørrelse og bedre spredning er højere katalysisk ydeevne for ammammailat.
Applikationseksempler på nano-kobberoxid
1as katalysator og desulfurizer
Cu belongs to transition metal, which has special electronic structure and gain and loss electronic properties different from other group metals, and can show good catalytic effect on different chemical reactions, so it is widely used in catalyst fieldWhen the size of CuO particles is as small as nano-scale, due to the special multi-surface free electrons and high surface energy of nano-materials,Therefore, it can show higher catalytic activity and more peculiar catalytic phenomenon than CuO with conventional scaleNano-CuO is an excellent desulfurization product, which can show excellent activity at normal temperature, and the removal accuracy of H2S can reach below 0.05 mg m-3After optimization, the penetration capacity of nano CuO reaches 25.3% at 3 000 h-1 airspeed, which is higher than that of other desulfurization products of the same type
Mrgan 18620162680
2Applikation af Nano Cuo i sensorer
Sensorer kan omtrent opdeles i fysiske sensorer, og kemiske sensorsfysiske sensor er en enhed, der tager eksterne fysiske mængder, såsom lys, lyd, magnetisme eller temperatur, da genstande og omdanner de detekterede fysiske mængder, såsom lys og temperatur til elektriske signaler, er hovedsageligt designet ved hjælp af ændringer, der ændrer de typer og koncentrationer af specifikke kemikalier til elektriske signaler. Chemiske sensorer er hovedsageligt designet ved hjælp af ændringen af elektriske tegn som elektriske elektriske potentiale. Indirekte, når følsomme materialer er i kontakt med molekyler og ioner i de målte subcessensorer, bruges i vid udstrækning på mange områder, såsom miljøovervågning, medicinsk diagnose, meteorologi osv. Nano-Cuo har mange fordele, såsom høj specifik overfladeareal, høj overfladeaktivitet, specifikke fysiske egenskaber og ekstremt lille størrelse, hvilket gør det meget følsomt over for det ydre miljø Forbedre sensorernes responshastighed, følsomhed og selektivitet.
3anti-steriliseringsydelse af Nano Cuo
The antibacterial process of metal oxides can be simply described as follows: under the excitation of light with energy larger than the band gap, the generated hole-electron pairs interact with O2 and H2O in the environment, and the generated free radicals such as reactive oxygen species react chemically with organic molecules in cells, thus decomposing the cells and achieving the antibacterial purposeAs CuO is a p-type halvleder, der er huller (CuO)+. Det kan interagere med miljøet og spille en antibakteriel eller bakteriostatiske rolestudies har vist, at Nano-Cuo har god antibakteriel evne mod lungebetændelse og pseudomonas aeruginosa.
Posttid: Jul-04-2022