Nanoparticles na-esiwanye eji na nnyocha na ụlọ ọrụ n'ihi na ha enwekwukwa Njirimara tụnyere nnukwu ihe.Nanoparticles na-mere nke ultrafine irighiri ihe na-erughị 100 nm na diameter. Nke a bụ a dịtụ aka ike uru, ma a họọrọ n'ihi na na nke a size nso nke mbụ ịrịba ama nke "mmetụta elu" na ndị ọzọ pụrụ iche Njirimara dị na nanoparticles, na-metụtara ihe ha na-emetụta kpọmkwem ihe na-eme mgbe mmetụta ha na-arụ ọrụ na-eme. A na-ekpughe ọnụ ọgụgụ dị ukwuu nke atom n'elu elu. E gosipụtara na njirimara na omume nke ihe na-agbanwe n'ụzọ dị ịrịba ama mgbe a na-ewu ya site na nanoscale. Ụfọdụ ihe atụ nke nkwalite ndị na-eme mgbe ụbara ike na ike, ọkụ eletrik na thermal conductivity na-ejikọta ya na nanoparticles.
Isiokwu a na-atụle ihe onwunwe na ngwa nke alumina nanoparticles. Aluminom bụ P group 3rd element element, mgbe oxygen bụ P otu 2nd element element.
Ọdịdị nke alumina nanoparticles bụ okirikiri na ọcha ntụ ntụ. Alumina nanoparticles (mmiri mmiri na ụdị siri ike) na-nkewa dị ka ukwuu ọkụ na mgbakasị ahụ, na-eme ka anya siri ike na akụkụ okuku ume na tract iyatesịt.
Alumina nanoparticlesnwere ike synthesized site na ọtụtụ usoro, gụnyere bọl-egwe ọka, sol-gel, pyrolysis, sputtering, hydrothermal, na laser ablation. Laser ablation bụ a nkịtị usoro nke na-emepụta nanoparticles n'ihi na ọ nwere ike na-synthesized na gas, agụụ ma ọ bụ liquid.E jiri ya tụnyere ụzọ ndị ọzọ, usoro a nwere uru nke na-anakọta ngwa ngwa na elu-adị ọcha.Na mgbakwunye na mmiri mmiri, nano na-adị mfe ihe ndị a kwadebere n'ime ihe ndị na-emepụta nanoparticles. N'oge na-adịbeghị anya, ndị na-ahụ maka chemists na Max-Planck-Institut für Kohlenforschung na Mülheim an der Ruhr achọpụtala usoro maka imepụta corundum, nke a makwaara dị ka alpha-alumina, n'ụdị nanoparticles na-eji usoro nhazi dị mfe, alumina dị iche iche kwụsiri ike.
N'ọnọdụ ebe a na-eji alumina nanoparticles mee ihe n'ụdị mmiri mmiri, dị ka mgbasa mmiri, ngwa ndị bụ isi bụ ndị a:
• Meziwanye njupụta, ire ụtọ, mgbaji siri ike, nguzogide na-akpụ akpụ, nguzogide ike ọgwụgwụ na nguzogide abrasion nke ngwaahịa polymer nke ceramik.
Echiche ndị ekwuru ebe a bụ nke onye odee na ọ bụchaghị egosipụta echiche na echiche nke AZoNano.com.
AZoNano gwara Dr. Gatti, bụ́ onye ọsụ ụzọ n'ihe banyere nanotoxicology, banyere nnyocha ọhụrụ ọ na-etinye n'ịlele njikọ nwere ike ịdị n'etiti mkpughe nanoparticle na ọrịa ọnwụ nwa ọhụrụ na mberede.
Mkparịta ụka AZoNano na Prọfesọ Kenneth Burch nke Boston College.Burch Group anọwo na-eme nchọpụta ka a ga-esi jiri ọrịa na-efe efe dabeere na mmiri na-ekpofu mmiri (WBE) dị ka ngwá ọrụ iji nweta ozi oge na-aga maka ịṅụ ọgwụ ọjọọ.
Anyị na Dr Wenqing Liu, onye na-agụ na onye isi nke Nanoelectronics na Materials na Royal Holloway University, London, kparịtara ụka n'ụbọchị ụmụ nwanyị mba ụwa.
Usoro Hiden's XBS (Cross Beam Source) na-enye ohere maka nleba anya ọtụtụ isi mmalite na ngwa ntinye MBE. A na-eji ya na molecular beam mass spectrometry ma na-enye ohere maka nleba anya n'ọnọdụ nke ọtụtụ isi mmalite yana nsonaazụ nrịbama oge maka njikwa ziri ezi nke nkwụnye ego.
Mụta maka Thermo Scientific™ Nicolet ™ RaptIR FTIR mikroskopu e mere iji chọta ngwa ngwa ma chọpụta ihe nchọta, nsonye, adịghị ọcha na akụkụ ahụ yana nkesa ha na nlele.
Oge nzipu: Mar-29-2022