Nano platinum (Pt) don haɓakawa ta hanyoyi uku a cikin maganin sharar mota

Hanyoyi uku ne mai kara kuzari wanda aka yi amfani da shi a cikin na'ura mai juyawa ta hanyar catalytic na sharar mota. Ana amfani da ita don jujjuya shaye-shaye na mota kafin a fitar da shi, da kuma yin oxidize CO, HC, da NOx bi da bi, yana rage iskar gas mai cutarwa zuwa carbon dioxide (CO2), nitrogen (N2), da tururin ruwa (H2O) waɗanda ba su da lahani ga ɗan adam. lafiya.
Pt shine farkon kayan aikin catalytic da aka yi amfani da shi wajen tsaftace sharar mota. Babban gudunmawarsa shine juyar da carbon monoxide da hydrocarbons. Pt yana da ƙayyadaddun ikon ragewa don nitrogen monoxide, amma lokacin da NO maida hankali yana da girma ko SO2 yana nan, ba shi da tasiri kamar Rh, kuma platinum nanoparticles (NPs) za su ragu a kan lokaci. Tun da platinum zai ƙara girma ko ma daɗaɗɗa a yanayin zafi mai yawa, hakanan zai rage yawan aikin motsa jiki. Nazarin ya tabbatar da cewa platinum rukuni na atom za a iya musayar tsakanin karfe nanoparticles da kuma girma perovskite matrix, game da shi reactivating da catalytic aiki.
Ƙarfe masu daraja suna da kyakkyawan zaɓi na catalytic. Akwai ingantattun tasiri masu daidaituwa ko tasirin aiki tsakanin karafa masu daraja da tsakanin karafa masu daraja da masu tallatawa. Haɗuwa da ƙarfe daban-daban masu daraja, ƙima da fasahar lodi suna da babban tasiri akan abun da ke cikin ƙasa, tsarin saman, aikin catalytic da juriya mai zafi mai zafi na mai kara kuzari. Bugu da ƙari, hanyoyi daban-daban na ƙara masu tallatawa kuma za su yi wani tasiri ga mai kara kuzari. Wani sabon ƙarni na Pt-Rh-Pd ternary catalysts an haɓaka shi ta hanyar amfani da haɗin kai mai aiki tsakanin Pt, Rh da Pd, wanda ya inganta aikin haɓakawa sosai.