Dị ka ihe na-anọchi anya otu akụkụ nanomaterial,carbon nanotubes nwere otu mgbidi(SWCNTs) nwere ọtụtụ njirimara anụ ahụ na kemịkal mara mma.Na-aga n'ihu na-omimi nnyocha na isi na ngwa nke otu-walled carbon nanotubes, ha egosiwo sara mbara ngwa atụmanya n'ọtụtụ ubi, gụnyere nano electronic ngwaọrụ, mejupụtara ihe enhancers, ike nchekwa media, catalysts na catalyst ebu, sensọ, ubi. emitters, ihe nkiri na-eduzi, ihe bio-nano, wdg, ụfọdụ n'ime ha enwetala ngwa ọrụ mmepụta ihe.

Njirimara igwe nke carbon nanotubes nwere otu mgbidi

Atọm carbon nke carbon nanotubes nwere otu mgbidi na njikọ CC covalent siri ike.A na-eche site na nhazi ahụ na ha nwere ike axial dị elu, bremsstrahlung na modulus na-agbanwe.Ndị na-eme nchọpụta tụlere oge ịma jijiji nke njedebe n'efu nke CNT wee chọpụta na modul nke Young nke carbon nanotubes nwere ike iru 1Tpa, nke fọrọ nke nta ka ọ bụrụ modul nke Young nke diamond, nke dị ihe dị ka okpukpu ise karịa ígwè.SWCNTs nwere oke axial ike, ọ bụ ihe dị ka 100 ugboro nke ígwè;ngbanwe nke carbon nanotubes nwere otu mgbidi bụ 5%, ruo 12%, nke dị ihe dị ka okpukpu 60 karịa ígwè.CNT nwere mmetụta siri ike na ịdị mma.

Carbon nanotubes nwere mgbidi nwere otu mgbidi bụ ihe mgbakwunye dị mma maka ihe mejupụtara, nke nwere ike inye akụrụngwa akụrụngwa ha dị mma maka ihe mejupụtara, nke mere na ihe mejupụtara na-egosi ike, ike, nkwụ na ike ọgwụgwụ nke ha enweghị na mbụ.N'ihe gbasara nanoprobes, enwere ike iji carbon nanotubes mee ndụmọdụ nyocha nyocha nwere mkpebi dị elu yana nchọpụta omimi ka ukwuu.

Njirimara eletrik nke carbon nanotubes nwere otu mgbidi

Ọdịdị tubular spiral nke carbon nanotubes nwere otu mgbidi na-ekpebi njirimara eletrik ya pụrụ iche na magburu onwe ya.Ọmụmụ ihe ọmụmụ egosila na n'ihi ụgbọ njem ballistic nke electrons na carbon nanotubes, ikike na-ebu ugbu a dị elu dị ka 109A / cm2, nke bụ 1000 ugboro dị elu karịa nke ọla kọpa nwere ezigbo conductivity.Dayameta nke otu carbon nanotube nwere mgbidi dị ihe dị ka 2nm, na mmegharị nke eletrọn na ya nwere omume quantum.Na-emetụta quantum physics, dị ka dayameta na spiral mode nke SWCNT mgbanwe, ike ọdịiche nke valence band na conduction band nwere ike ịgbanwe site fọrọ nke nta efu ka 1eV, ya conductivity nwere ike ịbụ dara na semiconducting, otú conductivity nke carbon nanotubes nwere ike. gbanwee site n'ịgbanwe akụkụ chirality na dayameta.Ka ọ dị ugbu a, ọ dịghị ihe ọzọ a chọpụtala dị ka carbon nanotubes nwere mgbidi nwere ike imezi oghere ike n'otu aka ahụ site n'ịgbanwe nhazi nke atọm.

Carbon nanotubes, dị ka graphite na diamond, bụ ezigbo ndị nduzi ọkụ.Dị ka ọkụ eletrik ha, carbon nanotubes nwekwara ezigbo axial thermal conductivity ma bụrụ ezigbo ihe na-eduzi okpomọkụ.Theoretical mgbako na-egosi na carbon nanotube (CNT) okpomọkụ conduction usoro nwere a nnukwu nkezi free ụzọ nke phonons, phonons nwere ike were were bufee n'akụkụ ọkpọkọ, na ya axial thermal conductivity bụ banyere 6600W / m • K ma ọ bụ karịa, nke yiri ya. Thermal conductivity nke otu-layer graphene.Ndị nchọpụta ahụ tụrụ na ime ụlọ okpomọkụ nke ikuku carbon nanotube (SWCNT) dị nso na 3500W / m • K, nke dị ukwuu karịa nke diamond na graphite (~ 2000W / m • K).Ọ bụ ezie na ọrụ mgbanwe okpomọkụ nke carbon nanotubes na axial direction dị nnọọ elu, ha okpomọkụ mgbanwe arụmọrụ na vetikal direction bụ dịtụ ala, na carbon nanotubes na-ejedebeghị site na ha onwe ha geometric Njirimara, na ha mgbasa ọnụego fọrọ nke nta efu, ya mere ọbụna ọtụtụ. carbon nanotubes jikọtara n'ime ngwugwu, a gaghị ebufe okpomọkụ site n'otu carbon nanotube gaa na nke ọzọ.

A na-ahụta ịdị mma nke thermal conductivity nke otu mgbidi carbon nanotubes (SWCNTs) dị ka ihe magburu onwe ya maka ihu kọntaktị nke radiators ọgbọ na-abịa, nke nwere ike ime ka ha bụrụ onye na-ahụ maka ikuku ikuku maka radiators CPU mgbawa n'ọdịnihu.Igwe ọkụ carbon nanotube CPU radiator, onye ihu kọntaktị ya na CPU bụ nke carbon nanotubes mere kpamkpam, nwere ikuku ọkụ ugboro ise karịa nke ihe ọla kọpa a na-ejikarị.N'otu oge ahụ, otu mgbidi carbon nanotubes nwere atụmanya ngwa dị mma na ihe ndị mejupụtara ihe ọkụkụ dị elu ma nwee ike iji ya na ihe dị elu dị elu dị ka engines na rọketi.

Njirimara anya nke carbon nanotubes nwere otu mgbidi

Ọdịdị pụrụ iche nke carbon nanotubes nwere otu mgbidi emepụtala ihe pụrụ iche anya ya.A na-eji Raman spectroscopy, fluorescence spectroscopy na ultraviolet-visible-nso infrared spectroscopy eme ihe n'ọtụtụ ebe n'ịmụ ihe gbasara anya ya.Raman spectroscopy bụ ihe a na-ejikarị achọpụta ihe maka carbon nanotubes nwere mgbidi.Ụdị ịma jijiji mara mma nke otu mgbidi carbon nanotubes mgbanaka iku ume ịma jijiji (RBM) pụtara ihe dịka 200nm.Enwere ike iji RBM chọpụta microstructure nke carbon nanotubes wee chọpụta ma ihe nlele ahụ nwere otu carbon nanotubes nwere mgbidi.

Njirimara magnetik nke carbon nanotubes nwere otu mgbidi

Carbon nanotubes nwere ihe ndọta pụrụ iche, nke bụ anisotropic na diamagnetic, enwere ike iji ya dị ka ihe ferromagnetic dị nro.Ụfọdụ carbon nanotubes nwere otu mgbidi nwere ihe arụrụ arụ na-enwekwa ihe na-arụ ọrụ nke ọma na enwere ike iji ya dị ka wires na-arụ ọrụ nke ọma.

Ọrụ nchekwa gas nke carbon nanotubes nwere otu mgbidi

Otu akụkụ tubular Ọdịdị na nnukwu ogologo-na-dayameta ruru nke otu mgbidi carbon nanotubes na-eme ka oghere tube oghere nwere mmetụta capillary siri ike, nke mere na ọ nwere mgbasa ozi pụrụ iche, nchekwa gas na njirimara infiltration.Dị ka akụkọ nyocha dị ugbu a si kwuo, carbon nanotubes nwere otu mgbidi bụ ihe mgbasa ozi nwere ikike nchekwa hydrogen kacha ukwuu, karịa ihe nchekwa hydrogen ọdịnala ndị ọzọ, ma ga-enye aka kwalite mmepe nke mkpụrụ ndụ mmanụ hydrogen.

Ọrụ catalytic nke carbon nanotubes nwere otu mgbidi

Carbon nanotubes nwere mgbidi nwere ọmarịcha eletrọnịkị, nkwụsi ike kemịkalụ dị elu na mpaghara elu akọwapụtara (SSA).Enwere ike iji ha mee ihe dị ka ndị na-ebu ma ọ bụ ndị na-ebu, ma nwee ọrụ catalytic dị elu.N'agbanyeghị na omenala heterogeneous catalysis, ma ọ bụ na electrocatalysis na photocatalysis, otu mgbidi carbon nanotubes egosiwo oké ngwa potentials.

Guangzhou Hongwu ọkọnọ elu na mụ mma otu walled carbon nanotubes dị iche iche ogologo, ịdị ọcha(91-99%), functionalized ụdị.Enwere ike ịhazi mgbasa ozi.