Nanoparticles kalaLoaʻa iā lākou nā waiwai optical, uila, a me ka wela a ke hoʻohui ʻia nei i loko o nā huahana mai nā photovoltaics a i nā mea ʻike ola a me nā kemika.ʻO nā laʻana e pili ana i nā inika conductive, nā pāpaʻi a me nā mea hoʻopihapiha e hoʻohana ana i nā nanoparticles kālā no kā lākou conductivity uila kiʻekiʻe, kūpaʻa, a me nā mahana sintering haʻahaʻa.Loaʻa i nā noi hou nā diagnostics molecular a me nā mea photonic, e hoʻohana pono i nā waiwai optical novel o kēia mau nanomaterials.ʻO kahi noi maʻamau ka hoʻohana ʻana i nā nanoparticles kālā no nā uhi antimicrobial, a he nui nā textiles, keyboards, nā ʻaʻahu ʻeha, a me nā mea biomedical i kēia manawa i loaʻa nā nanoparticles kālā e hoʻokuʻu mau ana i kahi haʻahaʻa o nā ion kālā e hāʻawi i ka pale mai ka bacteria.

Nanoparticle kalaʻAno Optical

Ke ulu nei ka hoihoi i ka hoʻohana ʻana i nā waiwai optical o nā nanoparticles kālā ma ke ʻano he mea hana i nā huahana like ʻole a me nā sensor.ʻOi aku ka maikaʻi o nā nanoparticles kala i ka hoʻomoʻa ʻana a me ka hoʻopuehu ʻana i ka mālamalama a, ʻaʻole like me ka nui o nā kala a me nā puaʻa, he waihoʻoluʻu e pili ana i ka nui a me ke ʻano o ka ʻāpana.ʻO ka pilina ikaika o nā nanoparticles kālā me ka mālamalama no ka mea, ke hele nei nā electrons conduction ma ka ʻili metala i kahi oscillation hui ke hoʻohauʻoli ʻia e ka mālamalama i nā lōʻihi nalu (Figure 2, hema).ʻIke ʻia ma ke ʻano he surface plasmon resonance (SPR), ʻo kēia oscillation ka hopena i ka hoʻopuehu ikaika a me nā waiwai absorption.ʻO ka ʻoiaʻiʻo, hiki i nā nanoparticles kālā ke hoʻopau maikaʻi (scattering + absorption) nā ʻāpana keʻa a hiki i ʻumi mau manawa nui ma mua o ko lākou ʻāpana keʻa kino.Hiki i ka ʻāpana kea hoʻopuehu ikaika i nā nanoparticles sub 100 nm ke ʻike maʻalahi me kahi microscope maʻamau.Ke hoʻomālamalama ʻia nā nanoparticles kālā he 60 nm me ke kukui keʻokeʻo, ʻike ʻia lākou me he mea hoʻopuehu kumu kumu polū ʻālohilohi ma lalo o kahi microscope kahua ʻeleʻele (Figure 2, ʻākau).ʻO ka ʻulaʻula uliuli ma muli o kahi SPR i piʻi ʻia ma kahi hawewe 450 nm.ʻO kahi waiwai kūʻokoʻa o nā nanoparticles kālā spherical ʻo ia ka hiki ke hoʻopaʻa ʻia kēia SPR peak wavelongth mai 400 nm (kukui violet) a i 530 nm (kukui ʻōmaʻomaʻo) ma o ka hoʻololi ʻana i ka nui o ka ʻāpana a me ka ʻōlelo kuhikuhi refractive kūloko kokoke i ka ʻili.ʻOi aku ka nui o ka hoʻololi ʻana o ka lōʻihi hawewe SPR i loko o ka ʻāpana infrared o ka spectrum electromagnetic hiki ke hoʻokō ʻia ma o ka hana ʻana i nā nanoparticles kālā me ke koʻokoʻo a i ʻole nā ​​ʻano pā.

Nā Palapala Nanoparticle kala

Nanoparticles kalake hoʻohana ʻia nei i nā ʻenehana he nui a hoʻokomo ʻia i loko o kahi ākea o nā huahana mea kūʻai aku e hoʻohana pono i kā lākou mau waiwai optical, conductive, a me antibacterial.

• Nā noiʻi Diagnostic: Hoʻohana ʻia nā nanoparticles kālā i nā biosensors a me nā hoʻāʻo he nui kahi e hiki ai ke hoʻohana ʻia nā mea nanoparticle kālā e like me nā hōʻailona biological no ka ʻike quantitative.
• Nā Hana Antibacterial: Hoʻohui ʻia nā nanoparticles kālā i nā lole, nā kāmaʻa, nā pena, nā ʻaʻahu ʻeha, nā mea hana, nā mea hoʻonaninani, a me nā plastics no ko lākou mau waiwai antibacterial.
• Nā noi hoʻokele: Hoʻohana ʻia nā nanoparticles kala i nā inika conductive a hoʻohui ʻia i loko o nā composites e hoʻomaikaʻi i ka conductivity thermal a me ka uila.
• Nā Manaʻo Optical: Hoʻohana ʻia nā nanoparticles kala no ka ʻohi pono ʻana i ka mālamalama a no nā spectroscopies optical i hoʻonui ʻia me ka fluorescence hoʻonui metala (MEF) a me Raman scattering (SERS) i hoʻonui ʻia.