Yi nazari akan tsarin da canjiNanomatoials Cerium
Da kira naCeria nanomaterialsYa hada da hazo, coprecipation, hydresmal, kayan aikin injin, gel, micro gel, micro gel, micro gel, micro mai lafazin da pynthysis, daga inda manyan hanyoyin da aka yi, hazo da pydrolymal. Hanyar hydrothothermal ana ɗaukar mafi sauƙi, mafi ƙarancin tattalin arziki, da kuma kyauta kyauta. Babban kalubale na Hydrothermal hanya shine sarrafa Nanoscale Miyayyu, wanda ke buƙatar daidaitawa a hankali don sarrafa halayenta.
Gyara naCeriaZa a iya inganta ta hanyar hanyoyi da yawa: (1) droping wasu ions mara nauyi tare da ƙananan farashi ko ƙananan girma a cikin Ceria. Wannan hanyar ba zai iya inganta wasan kwaikwayon na garken ƙarfe ba, amma kuma ya samar da sabbin abubuwa masu ƙarfi tare da sababbin kayan jiki da sunadarai. (2) Watsuwa Ceria ko Analogues DoDs a kan kayan dafaffen da suka dace, kamar su carbon, graphene, da sauransu.Beriide reideHakanan zai iya zama mai ɗaukar kaya don watsar da ƙarfe kamar zinare, platinum, da palladium. Canjin kayan haɗin Cerium galibi suna amfani da ƙarfe na juyawa, da wuya Alkali / Alkali Duniya.
Aikace-aikace naBeriide reideda kuma composite mai kara
1, aikace-aikacen daban-daban na morphologies na Ceria
Laura et al. An ruwaito da ƙuduri na nau'ikan nau'ikan zane na Ceria Morphology, waɗanda ke danganci sakamakon maganin alkalimal da hydrothermal magani zuwa ƙarsheCeo2Morphology Nanstruchure. Sakamakon yana nuna cewa aikin catalytic yana da alaƙa kai tsaye ga CE3 + / Ce4 + rabo da kuma taro na oxygen. Wei et al. Haɗin PT PT /Ceo2castysts tare da morin dillali daban-daban (sanda kamar (Ceo2-R), Cubic (Ceo2-C), da ocfedral (Ceo2-O), wanda yake musamman dace da ƙarancin zafin jiki na calytic na C2h4. Bian et al. shirya jerinCeo2 nanomatestare da sanda-mai siffa, mai siffar sukari, granular, da ilimin cututtukan ocfalomal, da kuma gano cewa masu conlysts sun ɗoraCeo2 taroparticles(5Ni / NPS) ta nuna yawancin ayyukan catalyttic da ingantaccen kwanciyar hankali fiye da masu kunnawa tare da wasu siffofinCeo2Tallafi.
2.catalytic lalata lalata gurɓataccen ruwa a ruwa
Beriide reideAn tabbatar da shi azaman ingancin ozondation mai tasiri don cire abubuwan da aka zaɓa da ƙwayoyin cuta. Xiao et al. gano cewa pt nanoparticles suna da kusanci daCeo2A kan mai kula da mai kara kuzari da kuma fuskantar ma'amala mai ƙarfi, don haka inganta ayyukan bazuwar ozone, wanda ke ba da gudummawa ga iskar shaka ta Toluene. Zhang Lanhe da wasu kuma suka shirya dufedCeo2/ Al2o3 conlysts. Doped karfe suna ba da sarari don amsawa tsakanin abubuwan da kwayoyin halitta da O3, wanda ya haifar da mafi girman aikin catalytic naCeo2/ Al2o3 da karuwa a cikin wuraren aiki a kan wani mai kara kuzari
Saboda haka, da yawa nazarin sun nuna cewaberiide reideMawakan da za a iya inganta lalata lalata ƙwayar cuta na ƙwaƙwalwar ƙwaƙwalwa a fagen cin amanar catalytic na sharar gida, amma kuma suna da tasirin tasirin ruwa a lokacin da aka samar da shi a cikin tsarin catalyntic. Suna da babban damar aikace-aikace a cikin maganin ruwa na ozone.
3, lalatawar catalytic na volatile kwayoyin halitta
Ceo2, a matsayina na hali da wuya a cikin ƙasa iri-iri, an yi nazarin catalysis saboda babban aikin iskar oxygen.
Wang et al. Haɗin CE MN Helposite oxide tare da wani sandar halittar ƙwayar cuta (CE / MN Mn Mn Mn Mn Molar rabo na 3: 7) Yin amfani da hanyar hydrothermal. Mn tsoshin an dibs a cikinCeo2Tsarin don maye gurbin CE, ta yadda ya ƙara maida hankali ga ɗakin aikin oxygen. Kamar yadda + aka maye gurbin ta mn ions, ana kafa ƙarin rukunin oxygen, wanda shine dalilin mafi girman ayyukansa. Du et al. MNTHESESICESICESICES MN CEXIVALACHIET CAYUWAR CIKIN HAKA HAKA CIKIN SAUKI CIKIN SAUKI DA HUKUNCIN SIFFOFI. Sun gano cewa rabo daga manganese daceriumYa taka muhimmiyar rawa a cikin samuwar mai kara kuzari kuma ta shafi aikinta na catalytic.Ceriuma cikin manganeseberiide reideYana taka muhimmiyar rawa a cikin adsorption na Toluene, kuma an nuna Manganese don taka muhimmiyar rawa a cikin iskar shaka ta haduwa. Gudanar da tsakanin Manganese da Cerium yana inganta tsarin karatuna na catalytic.
4.photocatalyst
Sun et al. A samu nasarar shirya CE PR Fe-0 @ c ta amfani da hanyar hazo CO. Tsarin ƙayyadaddun magani shine cewa adadin kuɗi na PR, fe, kuma C ya taka muhimmiyar rawa a cikin ayyukan hoto. Gabatar da adadin da ya dace na pr, fe, da c cikinCeo2Zai iya inganta ingantaccen hoto na samfurin da aka samu, saboda yana da mafi kyawun adsorction na ƙazantattun abubuwan ban sha'awa, da ƙarin ɗakin oxlen. Da inganta daukar hoto na daukar hoto naCeo2-Go nanocomposites ta Ganesan et al. An danganta shi da haɓaka yankin yanki, ƙarfin ɗaukar ciki, kunkuntar bandagp, da tasirin hoto. Liu et al. ya gano cewa CE / Cowo4 Contalyst mai kara mai inganci shine ingantaccen hoto tare da darajar aikace-aikacen. Petrovic et al. wanda aka shiryaCeo2Cairysts ta amfani da hanyar lantarki na yanzu kuma ta canza su da matsanancin matsanancin matsin lamba na atonma plasma. Dukkanin kayan plasma da aka gyara da kuma abubuwan da basu dace ba suna nuna ingantacciyar ikon catalytic a cikin plasma da kuma wuraren lalata Photocatalytic.
Ƙarshe
Wannan labarin yana sake nazarin tasirin hanyoyin tsarinberiide reideA kan ilimin halittar jiki, rawar jiki a kan kaddarorin farfajiya da aikin catalytic, da kuma tasirin synergistic da aikace-aikace tsakaninberiide reideda dopants da dade. Kodayake an yi nazari sosai a Cerium Oxalysts kuma an yi amfani da shi a fagen catalysis, kuma sun ci gaba mai mahimmanci wajen warware matsalar muhalli kamar magani, kamar yadda ba a san su baberiide reideMorphology da Loading Hanyar Kulawar Kayayyakin Cerium. Ana buƙatar ƙarin bincike game da hanyar haɗin kai, haɓaka tasirin synergistic tsakanin abubuwan haɗin, kuma nazarin tsarin catalytic na kaya daban-daban.
Mawallafin Jarida
Shandong Herern 2023 Batun 2: 64-73
Marubuta: Zhou Bin, Wang Peng, Men Fanpeng, da sauransu
Lokaci: Nuwamba-29-2023