Semumiriri anomiririra one-dimensional nanomaterial,single-walled carbon nanotubes(SWCNTs) ane akawanda akanakisa emuviri nemakemikari zvivakwa.Nekuenderera mberi kwekutsvaga kwakadzama pane yekutanga uye kushandiswa kwekabhoni-yakavakirwa kabhoni nanotubes, vakaratidza tarisiro yakafara yekushandiswa muminda yakawanda, kusanganisira nano zvemagetsi zvishandiso, composite zvinhu zvinowedzera, simba rekuchengetedza simba, catalysts uye catalyst vatakuri, sensors, munda. emitters, conductive films, bio-nano zvinhu, nezvimwewo, zvimwe zvacho zvakatowana maindasitiri ekushandisa.

Mechanical zvimiro zve single-walled kabhoni nanotubes

Kabhoni maatomu e-single-walled kabhoni nanotubes anosanganiswa neakasimba kwazvo CC covalent bond.Zvinofungidzirwa kubva muchimiro kuti vane yakakwirira axial simba, bremsstrahlung uye elastic modulus.Vatsvagiri vakayera iyo vibration frequency yemahara ekupedzisira eCNTs uye vakawana kuti iyo Yechidiki modulus yekabhoni nanotubes inogona kusvika 1Tpa, iyo inenge yakaenzana neiyo Young's modulus yedhaimondi, iyo ingangoita kashanu iyo yesimbi.SWCNTs ine axial simba repamusoro zvakanyanya, inopeta ka100 kupfuura yesimbi;iyo elastic strain ye single-walled kabhoni nanotubes i5%, inosvika 12%, inova yakapetwa ka60 iyo yesimbi.CNT ine kusimba kwakanyanya uye bendability.

Single-walled kabhoni nanotubes akanakisa ekusimbisa ezvakaumbwa zvinhu, izvo zvinogona kupa iwo akanakisa mechaniki zvivakwa kune zvakaumbwa zvinhu, zvekuti zvinoumbwa zvinhu zvinoratidzira kusimba, kuoma, elasticity uye kuneta kuramba izvo zvavasina pakutanga.Panyaya ye nanoprobes, kabhoni nanotubes inogona kushandiswa kugadzira matipi ekuferefeta ekuongorora nepamusoro pekugadzirisa uye kudzika kukuru kwekuonekwa.

Magetsi zvivakwa zve single-walled kabhoni nanotubes

Iyo spiral tubular chimiro che-single-walled kabhoni nanotubes inosarudza yakasarudzika uye yakanakisa magetsi emagetsi.Ongororo dzedzidziso dzakaratidza kuti nekuda kwekutakurwa kwemagetsi emagetsi mucarbon nanotubes, ikozvino-kutakura kugona kwavo kwakakwira se109A / cm2, iyo inokwirisa ka1000 kupfuura iyo yemhangura ine yakanaka conductivity.Iyo dhayamita yekabhoni-yakakomberedzwa kabhoni nanotube inenge 2nm, uye kufamba kwemaerekitironi mairi kune quantum maitiro.Inobatwa ne quantum fizikisi, sezvo dhayamita uye spiral modhi yeSWCNT inoshanduka, iyo gap yesimba yevalence bhendi uye conduction bhendi inogona kuchinjwa kubva kunenge zero kuenda ku1eV, conductivity yayo inogona kuve yesimbi uye semiconducting, saka conductivity yekabhoni nanotubes inogona. kugadziridzwa nekushandura chirality angle uye dhayamita.Kusvika pari zvino, hapana chimwe chinhu chakawanikwa senge-ine-walled kabhoni nanotubes inogonawo kugadzirisa gaka resimba nekungochinja marongerwo emaatomu.

Carbon nanotubes, senge graphite nedhaimani, akanakisa ekupisa kwemafuta.Kufanana nemagetsi avo emagetsi, kabhoni nanotubes zvakare ane yakanakisa axial thermal conductivity uye akakodzera ekupisa conductive zvinhu.Theoretical calculations inoratidza kuti carbon nanotube(CNT) heat conduction system ine hombe yeavhareji yemahara nzira yemaphononi, maphononi anogona kufambiswa zvakanaka achitevedza pombi, uye ayo axial thermal conductivity inenge 6600W/m•K kana kupfuura, yakafanana ne Thermal conductivity ye-single-layer graphene.Vatsvakurudzi vakayera kuti tembiricha yekamuri yekupisa yekupisa kwekabhoni-yakavakirwa kabhoni nanotube (SWCNT) iri padyo ne3500W/m•K, yakakura kudarika iya yedhaimondi negraphite (~2000W/m•K).Kunyangwe kupisa kwekuchinjana kwekabhoni nanotubes muaxial kutungamira kwakakwira zvakanyanya, mashandiro avo ekutsinhanisa kupisa munzvimbo yakatwasuka yakadzikira, uye kabhoni nanotubes inoganhurirwa neayo ejometri zvimiro, uye chiyero chekuwedzera kwavo kunenge zero, saka kunyangwe akawanda. kabhoni nanotubes akatungidzirwa kuita bundle, kupisa hakuzofambiswe kubva kune imwe kabhoni nanotube kuenda kune imwe.

Iyo yakanakisa yekupisa yekupisa kweimwe-yakavakirwa kabhoni nanotubes (SWCNTs) inoonekwa seyakanakisa zvinhu kune yekusangana kwechizvarwa chinotevera radiators, izvo zvinogona kuvaita iyo yekupisa conductivity mumiriri wekombuta CPU chip radiator mune ramangwana.Iyo kabhoni nanotube CPU radiator, iyo yekubata kumeso neCPU inogadzirwa zvachose nekabhoni nanotubes, ine inopisa conductivity kashanu iyo yezvinowanzo shandiswa zvemhangura.Panguva imwecheteyo, single-walled kabhoni nanotubes ine yakanaka yekushandisa tarisiro mune yakakwira yekupisa conductivity inoumbwa zvinhu uye inogona kushandiswa mumhando dzakasiyana-siyana dzekupisa senge injini nemaroketi.

Optical zvimiro zve single-walled kabhoni nanotubes

Iyo yakasarudzika chimiro che-single-walled kabhoni nanotubes yakagadzira yayo yakasarudzika optical properties.Raman spectroscopy, fluorescence spectroscopy uye ultraviolet-inooneka-padhuze infrared spectroscopy zvakashandiswa zvakanyanya mukudzidza kwemaitiro ayo ekuona.Raman spectroscopy ndiyo inonyanya kushandiswa kuona chishandiso kune imwechete-yakavakirwa kabhoni nanotubes.Iyo hunhu hwekuzunguza modhi yeimwe-yakavakirwa kabhoni nanotubes mhete yekufema vibration mode (RBM) inoonekwa panenge 200nm.RBM inogona kushandiswa kuona iyo microstructure yekabhoni nanotubes uye kuona kana sampuli ine single-walled kabhoni nanotubes.

Magnetic zvimiro zve single-walled kabhoni nanotubes

Carbon nanotubes ine yakasarudzika magineti zvivakwa, ayo ari anisotropic uye diamagnetic, uye anogona kushandiswa seyakapfava ferromagnetic zvinhu.Mamwe-akakomberedzwa kabhoni nanotubes ane chaiwo zvimiro zvakare ane superconductivity uye anogona kushandiswa se superconducting waya.

Gasi kuchengetedza kuita kwe-single-walled kabhoni nanotubes

Iyo imwe-dimensional tubular chimiro uye yakakura kureba-kusvika-dhayamita reshiyo yekabhoni-yakavakirwa kabhoni nanotubes inoita kuti hollow tube cavity ine capillary yakasimba mhedzisiro, kuitira kuti ive yakasarudzika adsorption, gasi kuchengetedza uye infiltration maitiro.Zvinoenderana nemishumo iripo yekutsvagisa, single-walled kabhoni nanotubes ndiyo adsorption zvinhu zvine yakakura kwazvo hydrogen kuchengetedza, inodarika nekure zvimwe zvechinyakare hydrogen kuchengetedza zvinhu, uye zvichabatsira kusimudzira kuvandudzwa kwehydrogen mafuta maseru.

Iyo catalytic chiitiko che-single-walled kabhoni nanotubes

Single-walled kabhoni nanotubes ane yakanakisa emagetsi conductivity, yakakwira makemikari kugadzikana uye yakakura chaiyo nzvimbo (SSA).Iwo anogona kushandiswa senge catalysts kana catalyst vatakuri, uye ane yakakwirira catalytic chiitiko.Hazvina mhosva mune zvechinyakare heterogeneous catalysis, kana mu electrocatalysis uye photocatalysis, single-walled kabhoni nanotubes vakaratidza hukuru hwekushandisa.

Guangzhou Hongwu inopa yakakwirira uye yakagadzikana mhando imwe yakavharidzirwa kabhoni nanotubes nehurefu hwakasiyana, kuchena (91-99%), maitiro anoshanda.Uyewo kupararira kunogona kugadziriswa.