Ha khanya ea letsatsi e otla ka holim'a ntho, ntho eo haholo-holo e monya matla a khanya a haufi le infrared ho eketsa mocheso oa eona, 'me matla a khanya a haufi le infrared a nka 50% ea kakaretso ea matla a letsatsi.Lehlabuleng, ha letsatsi le chaba holim'a ntho, mocheso o ka holimo o ka fihla ho 70 ~ 80 ℃.Nakong ena, leseli la infrared le hloka ho bontšoa ho fokotsa mocheso oa holim'a ntho;ha mocheso o le tlase mariha, khanya ea infrared e hloka ho fetisoa bakeng sa ho boloka mocheso.Ke hore, ho na le tlhokahalo ea thepa e bohlale ea ho laola mocheso e ka bonahatsang leseli la infrared ka mocheso o phahameng, empa ho fetisa leseli la infrared ka mocheso o tlase le ho fetisa leseli le bonahalang ka nako e le 'ngoe, e le ho boloka matla le ho sireletsa tikoloho.
Vanadium dioxide (VO2) ke oxide e nang le ts'ebetso ea phetoho e haufi le 68 ° C.Hoa utloahala hore haeba thepa ea phofo ea VO2 e nang le ts'ebetso ea phetoho ea mohato e kopanngoa le lisebelisoa tsa motheo, ebe e kopantsoe le li-pigment le li-fillers tse ling, ho ka etsoa tšireletso e bohlale ea taolo ea mocheso e thehiloeng ho VO2.Ka mor'a hore holim'a ntho e koahetsoe ka pente ea mofuta ona, ha mocheso o ka hare o le tlaase, leseli la infrared le ka kena ka hare;ha mocheso o nyolohela mocheso oa phetoho ea karolo e mahlonoko, phetoho ea mohato e etsahala, 'me khanya ea leseli la infrared e fokotseha' me mocheso oa ka hare o fokotseha butle-butle;Ha mocheso o theohela mochesong o itseng, VO2 e fetoha mohato o ka morao, 'me khanya ea lebone la infrared e eketseha hape, kahoo e hlokomela taolo e bohlale ea mocheso.Ho ka bonoa hore senotlolo sa ho lokisetsa liphahlo tse bohlale tsa ho laola mocheso ke ho lokisetsa phofo ea VO2 ka mosebetsi oa phetoho ea mohato.
Ho 68 ℃, VO2 e fetoha ka potlako ho tloha ho semiconductor ea mocheso o tlase, antiferromagnetic, le MoO2-joaloka karolo e sothehileng ea rutile monoclinic ho ea ho boemo bo phahameng ba mocheso oa tšepe, paramagnetic, le rutile tetragonal phase, le ka hare VV covalent bond e fetoha Ke tlamo ea tšepe. , ho hlahisa boemo ba tšepe, phello ea conduction ea li-electrone tsa mahala e matlafatsoa haholo, 'me thepa ea optical e fetoha haholo.Ha mocheso o phahame ho feta sebaka sa phetoho, VO2 e boemong ba tšepe, sebaka sa leseli se bonahalang se lula se le pepeneneng, sebaka se khanyang sa infrared se bonahatsa haholo, 'me karolo ea khanya ea mahlaseli a letsatsi e koetsoe ka ntle,' me phetisetso ea mahlaseli a letsatsi e koetsoe ka ntle. khanya ea infrared e nyane;Ha ntlha e fetoha, VO2 e boemong ba semiconductor, 'me sebaka ho tloha khanyeng e bonahalang ho ea ho leseli la infrared le khanya ka mokhoa o itekanetseng, ho lumella boholo ba mahlaseli a letsatsi (ho kenyeletsoa khanya e bonahalang le leseli la infrared) ho kena ka kamoreng, ka phetisetso e phahameng,' me phetoho ena e teng. kgutlisetsoa.
Bakeng sa lisebelisoa tse sebetsang, mocheso oa phetoho ea mohato oa 68 ° C o ntse o le holimo haholo.Mokhoa oa ho fokotsa mocheso oa phetoho ea mohato ho mocheso oa kamore ke bothata boo bohle ba bo tsotellang.Hona joale, mokhoa o tobileng ka ho fetisisa oa ho fokotsa mocheso oa phetoho ea mohato ke doping.
Hajoale, mekhoa e mengata ea ho lokisa VO2 ea doped ke doping e le 'ngoe, ke hore, ke molybdenum kapa tungsten feela e kentsoeng,' me ho na le litlaleho tse fokolang mabapi le doping ka nako e le 'ngoe ea likarolo tse peli.Doping likarolo tse peli ka nako e le 'ngoe e ke ke ea fokotsa mocheso oa phetoho ea karolo feela, empa hape e ntlafatsa thepa e meng ea phofo.