Hoʻohana i nā nanoparticles Fe3O4:

mea hoʻolalelale:
Hoʻohana ʻia nā ʻāpana Fe3O4 ma ke ʻano he catalysts i nā hanana ʻoihana he nui, e like me ka hana ʻana o NH3 (Haber ammonia production method), kiʻekiʻe-mehana wai-ea hoʻololi pane a me ke kinoea kūlohelohe desulfurization hopena.Ma muli o ka liʻiliʻi o Fe3O4 nanoparticles, ka nui kiko'ī kiko'ī āpana, a me ka ilihune ili smoothness o ka nanoparticles, uneven atomic kapuai i hanaia, e hoonui i ka pilina ili no kemika reactions.I ka manawa like, hoʻohana ʻia nā ʻāpana Fe3O4 e like me ka mea lawe a ua uhi ʻia nā ʻāpana catalyst ma luna o ka ʻili o nā mea e hoʻomākaukau ai i nā ʻāpana catalyst ultra-fine me kahi ʻano kumu-shell, ʻaʻole wale e mālama i ka hana catalytic kiʻekiʻe o ka catalyst. akā, maʻalahi hoʻi ka catalyst e hana hou.No laila, ua hoʻohana nui ʻia nā ʻāpana Fe3O4 i ka noiʻi ʻana i nā kākoʻo catalyst.

Hoʻopaʻa ʻumeke:
ʻO kekahi hoʻohana koʻikoʻi o nā ʻāpana magnetic nano-Fe3O4 e hana i nā mea hoʻopaʻa leo magnetic.ʻO Nano Fe3O4 ma muli o kona liʻiliʻi liʻiliʻi, hoʻololi kona ʻano magnetic mai ka multi-domain i hoʻokahi-domain, me ka coercivity kiʻekiʻe loa, i hoʻohana ʻia ma ke ʻano he mea hoʻopaʻa leo magnetic hiki ke hoʻomaikaʻi nui i ka ratio signal-to-noise, hoʻomaikaʻi i ka maikaʻi o ke kiʻi, a hiki ke hoʻokō. kiʻekiʻe ʻike hoʻopaʻa palapala.No ka hoʻokō ʻana i ka hopena hoʻopaʻa hoʻopaʻa maikaʻi loa, pono nā ʻāpana nano-Fe3O4 i ka coercivity kiʻekiʻe a me ke koena magnetization, ka liʻiliʻi liʻiliʻi, ka pale ʻana i ka corrosion, friction resistance a me ka hoʻololi ʻana i nā loli wela.

ʻO ka haʻahaʻa microwave:
Loaʻa i nā nanoparticles nā waiwai optical ʻaʻole i loaʻa i nā mea nui maʻamau ma muli o ka hopena liʻiliʻi, e like me ka optical nonlinearity, a me ka nalowale o ka ikehu i ka wā o ka lawe ʻana i ka māmā a me ka noʻonoʻo ʻana i ka mālamalama, i hilinaʻi nui ʻia i ka nui o nā nanoparticles.Ua hōʻike nā haʻawina e hoʻohana nui ʻia ka hoʻohana ʻana i nā waiwai optical kūikawā o nā nanoparticles no ka hoʻomākaukau ʻana i nā mea optical like ʻole i ke ola o kēlā me kēia lā a me nā kula kiʻekiʻe.ʻO ka noiʻi o kēia manawa ma kēia ʻaoʻao aia nō i ka pae hoʻokolohua.ʻO ka hopena nui o nā nano-particles e lilo ia i mea hoʻololi polū no ka lawe māmā ʻana i kekahi lōʻihi nalu.ʻO ka lawe ʻana o ka māmā o nā hawewe like ʻole e ka nano-particle pauda he ʻano ākea ākea.Ma muli o kona kiʻekiʻe magnetic permeability, Fe3O4 magnetic nanopowders hiki ke hoʻohana ʻia e like me ke ʻano o ka ferrite absorbing material, i hoʻohana ʻia i ka microwave absorption.

Adsorption ka wehe ʻana i nā mea haumia wai a me ka hoʻihoʻi ʻana i nā metala makamae:
Me ka wikiwiki o ka hoʻomohala ʻana i ka ʻoihana, ua ʻoi aku ka nui o ka haumia o ka wai, ʻoi aku ka nui o nā ion metala i loko o ke kino wai, paʻakikī i ka hoʻohaumia ʻana i nā mea haumia, a me nā mea ʻē aʻe, ʻaʻole maʻalahi e hoʻokaʻawale ma hope o ka mālama ʻana.Inā hoʻohana ʻia kahi mea hoʻonaninani magnetic, hiki ke maʻalahi ka hoʻokaʻawale ʻana.Ua ʻike nā haʻawina i ka wā e hoʻohana ʻia ai nā nanocrystals Fe3O4 e adsorb i nā ion metala hanohano e like me Pd2+, Rh3+, Pt4+ i loko o ka hydrochloric acid distillate, ʻo ka mana adsorption kiʻekiʻe no Pd 2+ ʻo 0.103mmol·g -1 a ʻo ka nui adsorption hiki no Rh3+. ʻO 0.149mmol·g -1, ʻo ka nui o ka mana adsorption no Pt4+ ʻo 0.068mmol·g-1.No laila, ʻo ka magnetic Fe3O4 nanocrystals he hopena maikaʻi nō hoʻi ia i ka adsorbent metala makamae, he mea koʻikoʻi ia i ka hana hou ʻana o nā metala makamae.