A shirye-shiryen na high-aiki goyon bayan nano-zinariya catalysts, yafi la'akari biyu al'amurran, daya shi ne shirye-shiryen na Nano zinariya, wanda tabbatar da high catalytic aiki tare da kananan size, da kuma sauran shi ne zabi na m, wanda ya kamata a gwada da babban takamaiman surface. yanki da kyakkyawan aiki.high wettability da karfi hulda tare da goyan bayan zinariya nanoparticles kuma suna sosai tarwatsa a saman da m.

A tasiri na m a kan catalytic aiki na Au nanoparticles ne yafi bayyana a cikin takamaiman surface yankin, wettability na m kanta da kuma mataki na hulda tsakanin m da zinariya nanopowders.Mai ɗaukar kaya tare da babban SSA shine abin da ake buƙata don babban tarwatsa gwal.Rikewar mai ɗaukar kaya yana ƙayyade ko mai kara kuzarin gwal zai tara zuwa manyan gwal a lokacin aikin ƙirƙira, ta haka zai rage aikin sa.Bugu da ƙari, ƙarfin hulɗar da ke tsakanin mai ɗauka da Au nanopowders kuma shine maɓalli mai mahimmanci da ke shafar aikin catalytic.Ƙarfin ƙarfin hulɗar tsakanin barbashi na gwal da mai ɗaukar kaya, mafi girman aikin catalytic na mai kara kuzarin gwal.

A halin yanzu, ana tallafawa mafi yawan nano Au masu ƙara kuzari.Kasancewar goyon baya ba wai kawai ya dace da kwanciyar hankali na nau'in zinari mai aiki ba, amma har ma yana taka muhimmiyar rawa wajen inganta ayyukan duk abin da ya faru saboda hulɗar da ke tsakanin goyon baya da nanoparticles na zinariya.

Sakamakon bincike mai yawa ya nuna cewa nano-gold yana da ikon haifar da halayen halayen sinadarai iri-iri, kuma ana sa ran zai maye gurbin gaba ɗaya ko juzu'i don maye gurbin abubuwan karafa masu daraja irin su Pd da Pt a cikin fagagen haɓakar sinadarai masu kyau da kuma kula da muhalli. , yana nuna fa'idodin aikace-aikace:

1. Zabi Oxidation

Zaɓin oxidation na alcohols da aldehydes, epoxidation na olefins, zaɓin iskar shaka na hydrocarbons, kira na H2O2.

2. Hydrogenation dauki

Hydrogenation na olefins;zabin hydrogenation na unsaturated aldehydes da ketones;zaɓaɓɓen hydrogenation na mahaɗan nitrobenzene, bayanan sun nuna cewa mai haɓakawa Au / SiO2 tare da ɗaukar nauyin nano-zinariya na 1% na iya gane ingantaccen catalysis na haɓakar haɓakar halogenated aromatic amines hydrogenation yana ba da sabon yuwuwar magance matsalar dehalogenation ta hanyar catalytic. hydrogenolysis a cikin tsarin masana'antu na yanzu.

Ana amfani da Nano Au catalysts a ko'ina a cikin biosensors, masu haɓaka aiki mai ƙarfi, kuma zinare yana da kwanciyar hankali mai kyau.Shi ne mafi kwanciyar hankali a tsakanin abubuwa na rukuni na VIII, amma gwal nanoparticles suna nuna kyakkyawan aiki na catalytic saboda ƙananan girman tasirin, abubuwan gani marasa kan layi, da sauransu.

A catalyzing irin wannan halayen, nano zinariya kara kuzari yana da ƙananan zafin jiki da kuma mafi girma zažužžukan fiye da janar karfe catalysts, kuma low-zazzabi catalytic aiki ne mai girma.Ayyukan motsa jiki a zafin jiki na 200 °C ya fi girma fiye da na kasuwancin CuO-ZnO-Al2O3.

1. CO oxidation dauki

2. Low zazzabi ruwa gas motsi dauki

3. Ruwa-lokaci hydrogenation dauki

4. Halayen oxidation na ruwa-lokaci, ciki har da ethylene glycol oxidation don samar da acid oxalic, da zaɓin oxidation na glucose.