Ị maara ihe bụ ngwa nkeọlaọcha nanowires?

Otu akụkụ nanomaterials na-ezo aka nha nke otu akụkụ nke ihe ahụ dị n'etiti 1 na 100nm.Ngwakọta ọla, mgbe ị na-abanye na nanoscale, ga-egosipụta mmetụta pụrụ iche nke dị iche na nke ọla macroscopic ma ọ bụ otu atom metal, dị ka mmetụta obere nha, oghere, mmetụta, mmetụta nha nha, macroscopic quantum tunneling mmetụta, yana mmetụta mgbochi dielectric.Ya mere, metal nanowires nwere nnukwu ngwa ngwa na ubi nke ọkụ eletrik, optics, thermals, magnetism na catalysis.N'ime ha, a na-eji nanowires ọlaọcha mee ihe na ndị na-emepụta ihe, mgbasa ozi Raman na-emewanyewanye elu, na ngwaọrụ microelectronic n'ihi na ha dị mma eletriki conductivity, okpomọkụ conductivity, ala elu-eguzogide, elu nghọta, na ezi biocompatibility, mkpa film anyanwụ cell, micro-electrodes. na biosensors.

A na-etinye nanowires ọla ọcha na mpaghara catalytic

Ngwa ọla ọcha nanomaterials, ọkachasị ọla ọcha nanomaterials nwere nha nha yana oke akụkụ dị elu, nwere akụrụngwa catalytic dị elu.Ndị nyocha ahụ jiri PVP dị ka ihe nkwụsi ike elu wee kwadebe nanowires ọlaọcha site na usoro hydrothermal wee nwalee njirimara electrocatalytic oxygen mbelata mmeghachi omume (ORR) site na cyclic voltammetry.Achọpụtara na nanowires ọlaọcha akwadoro na-enweghị PVP bụ nke ukwuu Njupụta nke ORR dị ugbu a na-abawanye, na-egosi ike electrocatalytic siri ike.Onye nchọpụta ọzọ jiri usoro polyol mee ngwa ngwa na-edozi ọlaọcha nanowires na ọlaọcha nanoparticles site na ịhazi ọnụọgụ NaCl (mkpụrụ na-apụtaghị ìhè).Site linear nwere ike ịgụ usoro, a chọpụtara na ọlaọcha nanowires na ọlaọcha nanoparticles nwere dị iche iche electrocatalytic omume maka ORR n'okpuru alkaline ọnọdụ, silver nanowires na-egosi mma catalytic arụmọrụ, na ọlaọcha nanowires bụ electrocatalytic ORR Methanol nwere mma nguzogide.Onye nchọpụta ọzọ na-eji nanowires ọlaọcha kwadebere site na usoro polyol dị ka electrode catalytic nke batrị lithium oxide.N'ihi ya, a chọpụtara na nanowires ọlaọcha nwere akụkụ dị elu nwere mpaghara mmeghachi omume buru ibu na ikike ibelata oxygen siri ike, ma kwalite mmeghachi omume recomposition nke batrị lithium oxide n'okpuru 3.4 V, na-akpata ngụkọta ọkụ eletrik nke 83.4% , na-egosi ihe kacha mma electrocatalytic onwunwe.

A na-etinye nanowires ọla ọcha na mpaghara eletrik

Silver nanowires ejirila nwayọọ nwayọọ ghọọ ihe nyocha nke ihe electrode n'ihi ọmarịcha ọkụ eletrik ha, nkwụsị elu dị ala na nghọta dị elu.Ndị na-eme nchọpụta kwadoro electrodes ọlaọcha nanowire na-enweghị atụ nke nwere elu dị larịị.N'ime nnwale ahụ, a na-eji ihe nkiri PVP mee ihe dị ka oyi akwa na-arụ ọrụ, na-ekpuchikwa elu nke ihe nkiri ọlaọcha nanowire site na usoro nnyefe nke nanowire, nke na-eme ka ọ dịkwuo elu nke nanowire.Ndị nchọpụta ahụ kwadebere ihe nkiri na-emegharị ihe na-agbanwe agbanwe nke nwere ihe nje bacteria.Mgbe emechara ihe nkiri na-eduzi ihe ngosi ahụ ugboro 1000 (radius na-ehulata nke 5mm), nguzogide elu ya na nnyefe ọkụ agbanwebeghị nke ọma, enwere ike itinye ya na ngosipụta kristal mmiri na wearables.Ngwa eletrọnịkị na sel anwụ na ọtụtụ ubi ndị ọzọ.Onye nyocha ọzọ na-eji 4 bismaleimide monomer (MDPB-FGEEDR) dị ka mkpụrụ iji tinye polymer conductive transperent a kwadebere site na nanowires ọlaọcha.Nnwale ahụ chọpụtara na mgbe a na-akpachasị polymer conductive site na ike mpụga, a na-edozi notch n'okpuru kpo oku na 110 Celsius, na 97% nke conductivity elu nwere ike nwetaghachi n'ime nkeji 5, na otu ọnọdụ ahụ nwere ike igbutu ugboro ugboro ma rụzie ya. .Onye nyocha ọzọ jiri ọlaọcha nanowires na shape memory polymers (SMPs) kwadebe polymer conductive nwere ihe owuwu okpukpu abụọ.Nsonaazụ na-egosi na polymer nwere ezigbo mgbanwe na conductivity, nwere ike iweghachi 80% nke nrụrụ n'ime 5s, na voltaji naanị 5V, ọbụna ma ọ bụrụ na tensile deformation ruru 12% ka ịnọgide na-enwe ezi conductivity, Ke adianade do, LED The turn-on nwere ike. bụ naanị 1.5 V.The conductive polymer nwere nnukwu ngwa ikike na ubi nke wearable electronic ngwaọrụ n'ọdịnihu.

Nanowires ọlaọcha etinyere n'ọhịa nke optics

Nanowires ọlaọcha nwere ezigbo ọkụ eletrik na ọkụ ọkụ, yana nghọta dị elu nke ha ka etinyere n'ọtụtụ ebe na ngwa anya, mkpụrụ ndụ anyanwụ na ihe electrode.The transperent silver nanowire electrode na-eji ire ụtọ elu nwere ezi conductivity na transmittance bụ ruo 87.6%, nke a pụrụ iji dị ka ihe ọzọ na organic ìhè-emitting diodes na ITO ihe na anyanwụ cell.

N'ime nkwadebe nke nnwale ihe nkiri na-emegharị anya na-agbanwe agbanwe, a nyochara na ma ọnụọgụ ọlaọcha nanowire ga-emetụta nghọta.Achọpụtara na ka ọnụ ọgụgụ nke usoro ntinye ego nke nanowires ọlaọcha mụbara ruo ugboro 1, 2, 3, na 4, nghọta nke ihe nkiri a na-eduzi nke ọma ji nwayọọ nwayọọ na-agbada ruo 92%, 87.9%, 83.1%, na 80.4%, n'otu n'otu.

Na mgbakwunye, a pụkwara iji nanowires ọlaọcha mee ihe dị ka ihe na-ebu plasma na-ebuli elu ma na-ejikarị eme ihe n'elu na-eme ka nyocha nke Raman spectroscopy (SERS) dị elu iji nweta nchọpụta nke ukwuu na nke na-adịghị emebi emebi.Ndị nyocha ahụ jiri usoro nwere ike mgbe niile iji dozie otu kristal silver nanowire arrays nwere elu dị larịị yana oke akụkụ dị elu na ndebiri AAO.

A na-etinye nanowires ọla ọcha n'ọhịa sensọ

A na-eji nanowires ọlaọcha eme ihe n'ọtụtụ ebe n'ọhịa nke sensọ n'ihi ezigbo okpomọkụ ha na-arụ ọrụ, eletriki eletrik, biocompatibility na antibacterial Njirimara.Ndị nyocha ahụ jiri nanowires ọlaọcha na electrodes emezigharịrị nke Pt dị ka ihe mmetụta halide iji nwalee ihe halogen na sistemu ngwọta site na cyclic voltammetry.Mmetụta ahụ bụ 0.059 na 200 μmol/L ~ 20.2 mmol/L Cl-solution.μA/(mmol•L), na nso nke 0μmol/L ~ 20.2mmol/L Br- na I-solutions, mmetụta uche bụ 0.042μA/(mmol•L) na 0.032μA/(mmol•L) n'otu n'otu.Ndị nyocha ahụ jiri carbon electrode gbanwere transperent mebere nanowires ọlaọcha na chitosan iji nyochaa Dị ka ihe dị na mmiri nwere mmetụta dị elu.Onye ọzọ na-eme nchọpụta na-eji ọlaọcha nanowires kwadebere site na usoro polyol ma gbanwee ihuenyo e biri ebi carbon electrode (SPCE) na ultrasonic generator iji kwadebe ihe mmetụta H2O2 na-abụghị enzymatic.Nnwale polarographic gosipụtara na ihe mmetụta ahụ gosipụtara nzaghachi kwụsiri ike ugbu a na nso nke 0.3 ruo 704.8 μmol / L H2O2, na mmetụta nke 6.626 μA / (μmol • cm2) na oge nzaghachi nke naanị 2 s.Na mgbakwunye, site na ule titration dị ugbu a, achọpụtara na mgbake nke ihe mmetụta H2O2 na serum mmadụ ruru 94.3%, na-akwadokwa na ihe mmetụta H2O2 a na-abụghị enzymatic nwere ike itinye n'ihe nlele nke ihe nlele.