ʻIke ʻoe i nā mea hoʻohana onanowires kala?

ʻO nā nanomaterial hoʻokahi-dimensional e pili ana i ka nui o hoʻokahi ana o ka mea ma waena o 1 a me 100nm.ʻO nā ʻāpana metala, i ke komo ʻana i ka nanoscale, e hōʻike i nā hopena kūikawā i ʻokoʻa i nā metala macroscopic a i ʻole nā ​​​​mea metala hoʻokahi, e like me nā hopena liʻiliʻi liʻiliʻi, nā pilina, nā hopena, nā hopena nui nui, nā hopena tunneling macroscopic quantum, a me nā hopena dielectric confinement.No laila, loaʻa i nā nanowires metala ka mana hoʻohana nui i nā kula o ka uila, optics, thermals, magnetism a me catalysis.Ma waena o lākou, ua hoʻohana nui ʻia nā nanowires kālā i nā catalysts, i hoʻonui ʻia i ka Raman scattering, a me nā mea microelectronic ma muli o kā lākou conductivity uila maikaʻi loa, conductivity wela, haʻahaʻa haʻahaʻa kūʻē, kiʻekiʻe transparency, a me ka biocompatibility maikaʻi. a me nā biosensors.

Ua hoʻohana ʻia nā nanowires kālā ma ke kahua catalytic

ʻO nā nanomaterial kala, ʻoi aku ka nui o nā nanomaterial kala me ka nui like a me ka ratio hiʻohiʻona kiʻekiʻe, loaʻa nā waiwai catalytic kiʻekiʻe.Ua hoʻohana ka poʻe noiʻi i ka PVP ma ke ʻano he mea hoʻopaʻa honua a hoʻomākaukau i nā nanowires kālā ma ke ʻano hydrothermal a hoʻāʻo i kā lākou electrocatalytic oxygen reduction reaction (ORR) waiwai e cyclic voltammetry.Ua ʻike ʻia ʻo nā nanowires kālā i hoʻomākaukau ʻia me ka ʻole o ka PVP ua hoʻonui nui ʻia ka nui o ka ORR i kēia manawa, e hōʻike ana i ka ikaika electrocatalytic hiki.Ua hoʻohana kekahi mea noiʻi i ke ʻano polyol e hoʻomākaukau wikiwiki a maʻalahi i nā nanowires kālā a me nā nanoparticles kālā ma o ka hoʻoponopono ʻana i ka nui o ka NaCl (nā hua ʻole).Ma ka laina kaʻina hana scanning, ua ʻike ʻia nā nanowires kālā a me nā nanoparticles kala i nā hana electrocatalytic like ʻole no ORR ma lalo o nā kūlana alkaline, hōʻike nā nanowires kālā i ʻoi aku ka maikaʻi catalytic hana, a me nā nanowires kālā he electrocatalytic ORR Methanol i ʻoi aku ka maikaʻi o ke kū'ē.Hoʻohana kekahi mea noiʻi i nā nanowires kālā i hoʻomākaukau ʻia e ke ʻano polyol ma ke ʻano he catalytic electrode o kahi pākahiko lithium oxide.Ma muli o ka hopena, ua ʻike ʻia ʻo nā nanowires kālā i loaʻa i kahi lākiō kiʻekiʻe ka nui o ka hopena a me ka hiki ke hoʻemi i ka oxygen ikaika, a hoʻolaha i ka hopena decomposition o ka pā lithium oxide ma lalo o 3.4 V, ka hopena i ka huina uila o 83.4%. , e hōʻike ana i ka waiwai electrocatalytic maikaʻi loa.

Ua hoʻohana ʻia nā nanowires kala ma ke kahua uila

Ua lilo mālie nā nanowires kālā i mea noiʻi noiʻi o nā mea electrode ma muli o kā lākou conductivity uila maikaʻi loa, haʻahaʻa haʻahaʻa haʻahaʻa a me ke aniani kiʻekiʻe.Ua hoʻomākaukau ka poʻe noiʻi i nā electrodes nanowire kālā aniani me ka ʻili maʻemaʻe.I ka hoʻokolohua, ua hoʻohana ʻia ke kiʻi ʻoniʻoni PVP ma ke ʻano he papa hana, a ua uhi ʻia ka ʻili o ke kiʻi nanowire kālā e kahi ʻano hoʻololi mechanical, i hoʻomaikaʻi maikaʻi i ka ʻili o ka nanowire.Ua hoʻomākaukau nā mea noiʻi i kahi kiʻiʻoniʻoni conductive transparent me nā waiwai antibacterial.Ma hope o ke kūlou ʻana o ke kiʻi ʻoniʻoni māmā i nā manawa 1000 (ka radius kuʻi o 5mm), ʻaʻole i loli nui kona pale ʻana i ka ʻili a me ka transmittance māmā, a hiki ke hoʻohana nui ʻia i nā hōʻike aniani wai a me nā mea lole.Nā lako uila a me nā pūnaewele lā a me nā kahua ʻē aʻe he nui.Hoʻohana kekahi mea noiʻi i ka 4 bismaleimide monomer (MDPB-FGEEDR) ma ke ʻano he substrate e hoʻokomo i ka polymer conductive transparent i hoʻomākaukau ʻia mai nā nanowires kālā.Ua ʻike ʻia ka hoʻāʻo ma hope o ka ʻoki ʻia ʻana o ka polymer conductive e ka ikaika o waho, ua hoʻoponopono ʻia ka notch ma lalo o ka hoʻomehana ʻana ma 110 ° C, a hiki ke hoʻihoʻi ʻia ka 97% o ka conductivity ili i loko o 5 mau minuke, a hiki ke ʻoki ʻia a hoʻoponopono ʻia ke kūlana like. .Ua hoʻohana kekahi mea noiʻi i nā nanowires kālā a me nā polimer hoʻomanaʻo hoʻomanaʻo (SMPs) e hoʻomākaukau ai i ka polymer conductive me kahi ʻano papa ʻelua.Hōʻike nā hopena i ka polymer maikaʻi loa a me ka conductivity, hiki ke hoʻihoʻi i ka 80% o ka deformation i loko o 5s, a ʻo ka voltage wale nō 5V, ʻoiai inā hiki i ka tensile deformation i 12% ke mālama mau nei i ka conductivity maikaʻi, Eia kekahi, LED ʻO ka hiki ke hoʻololi. ʻo 1.5V wale nō.Loaʻa i ka conductive polymer ka mana hoʻohana nui i ke kahua o nā mea uila uila i ka wā e hiki mai ana.

Ua hoʻohana ʻia nā nanowires kālā ma ke kula optics

Loaʻa i nā nanowires kālā maikaʻi ka uila a me ka thermal conductivity, a ua hoʻohana nui ʻia ko lākou ʻokoʻa kiʻekiʻe kiʻekiʻe i nā mea optical, nā mea solar a me nā mea electrode.ʻO ka electrode nanowire silver me ka ʻili maʻemaʻe he conductivity maikaʻi a hiki i ka 87.6% ka transmittance, hiki ke hoʻohana ʻia ma ke ʻano he ʻokoʻa i nā diodes māmā-emitting a me nā mea ITO i nā cell solar.

I ka hoʻomākaukau ʻana i nā hoʻokolohua kiʻiʻoniʻoni conductive maʻalahi, ua ʻimi ʻia inā e hoʻopili ka helu o ka deposition nanowire kālā i ka ʻike.Ua ʻike ʻia e like me ka piʻi ʻana o ka helu deposition o nā nanowires kālā i 1, 2, 3, a me 4 mau manawa, ua emi mālie ka ʻike o kēia kiʻi conductive transparent i 92%, 87,9%, 83,1% a me 80,4%.

Eia kekahi, hiki ke hoʻohana ʻia nā nanowires kālā ma ke ʻano he mea lawe plasma i hoʻonui ʻia i ka ʻili a hoʻohana nui ʻia i ka hoʻāʻo ʻana o Raman spectroscopy (SERS) hoʻonui i ka ʻili no ka loaʻa ʻana o ka ʻike koʻikoʻi a nondestructive.Ua hoʻohana ka poʻe noiʻi i ke ʻano hana mau e hoʻomākaukau ai i nā pūʻulu nanowire kālā aniani hoʻokahi me ka ʻili maʻemaʻe a me ka lākiō hiʻohiʻona kiʻekiʻe i nā mamana AAO.

Hoʻohana ʻia nā nanowires kala ma ke kahua o nā mea ʻike

Hoʻohana nui ʻia nā nanowires kālā ma ke kahua o nā mea ʻike ma muli o kā lākou conductivity wela maikaʻi, conductivity uila, biocompatibility a me nā waiwai antibacterial.Ua hoʻohana ka poʻe noiʻi i nā nanowires kālā a me nā electrodes i hoʻololi ʻia i hana ʻia e Pt ma ke ʻano he mea ʻike halide e hoʻāʻo ai i nā mea halogen i loko o ka ʻōnaehana hoʻonā e cyclic voltammetry.ʻO ka sensitivity he 0.059 i kahi 200 μmol / L ~ 20.2 mmol / L Cl-solution.μA/(mmol•L), i loko o ka laulā o 0μmol/L~20.2mmol/L Br- a me I-solutions, he 0.042μA/(mmol•L) a me 0.032μA/(mmol•L) ka sensitivities.Ua hoʻohana ka poʻe noiʻi i kahi electrode carbon transparent i hoʻololi ʻia i hana ʻia me nā nanowires kālā a me ka chitosan e nānā i ka element As i loko o ka wai me ka ʻike kiʻekiʻe.Ua hoʻohana kekahi mea noiʻi i nā nanowires kālā i hoʻomākaukau ʻia e ke ʻano polyol a hoʻololi i ka pale carbon electrode (SPCE) i paʻi ʻia me ka mīkini hana kani ultrasonic e hoʻomākaukau ai i kahi mea ʻike H2O2 non-enzymatic.Ua hōʻike ka ho'āʻo polarographic ua hōʻike ka mea ʻike i ka pane paʻa o kēia manawa ma ka laulā o 0.3 a i 704.8 μmol/L H2O2, me ka sensitivity o 6.626 μA/(μmol•cm2) a me ka manawa pane o 2 s wale nō.Eia kekahi, ma o nā ho'āʻo titration o kēia manawa, ua ʻike ʻia ʻo ka hoʻihoʻi ʻana o ka H2O2 o ka sensor i ka serum kanaka a hiki i 94.3%, e hōʻoia hou ana e hiki ke hoʻopili ʻia kēia mea ʻike H2O2 non-enzymatic i ke ana o nā laʻana olaola.


Ka manawa hoʻouna: Jun-03-2020

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