Lokacin da hasken rana ya fado saman wani abu, abu ya fi shanye makamashin hasken da ke kusa da infrared don kara yawan zafinsa, kuma makamashin hasken da ke kusa da shi ya kai kashi 50% na dukkan karfin hasken rana.A lokacin rani, lokacin da rana ta haskaka saman abin, yanayin zafi zai iya kaiwa 70 ~ 80 ℃.A wannan lokacin, hasken infrared yana buƙatar haskakawa don rage yawan zafin jiki na abu;lokacin da zafin jiki ya yi ƙasa a cikin hunturu, hasken infrared yana buƙatar watsawa don adana zafi.Wato akwai buqatar na'urar sarrafa zafin jiki mai hankali wanda zai iya nuna hasken infrared a yanayin zafi mai yawa, amma yana watsa hasken infrared a ƙananan yanayin zafi kuma yana watsa hasken da ake iya gani a lokaci guda, don adana makamashi da kare muhalli.
Vanadium dioxide (VO2) oxide ne tare da aikin canjin lokaci kusa da 68 ° C.Yana da mahimmanci cewa idan VO2 foda kayan aiki tare da aikin canji na zamani yana haɗuwa a cikin kayan tushe, sa'an nan kuma haɗe shi da sauran pigments da filler, za'a iya yin suturar kula da zafin jiki mai mahimmanci dangane da VO2.Bayan an rufe saman abin da irin wannan fenti, lokacin da zafin jiki na ciki ya ragu, hasken infrared zai iya shiga ciki;lokacin da yawan zafin jiki ya tashi zuwa matsanancin yanayin canjin lokaci, canjin lokaci yana faruwa, kuma hasken infrared yana raguwa kuma zafin jiki na ciki yana raguwa a hankali;Lokacin da zafin jiki ya faɗi zuwa wani zafin jiki, VO2 yana jujjuya canjin lokaci, kuma watsawar hasken infrared yana ƙaruwa kuma, don haka fahimtar sarrafa zafin jiki na hankali.Ana iya ganin cewa mabuɗin don shirya kayan kwalliyar zafin jiki mai hankali shine shirya VO2 foda tare da aikin canjin lokaci.
A 68 ℃, VO2 yana canzawa da sauri daga ƙananan zafin jiki semiconductor, antiferromagnetic, da MoO2-kamar rutile monoclinic lokaci zuwa wani babban zafin jiki na ƙarfe, paramagnetic, da rutile tetragonal lokaci, da na ciki VV covalent bond canje-canje Yana da wani karfe bond. , yana gabatar da yanayin ƙarfe, tasirin gudanarwa na electrons kyauta yana haɓaka sosai, kuma kaddarorin gani suna canzawa sosai.Lokacin da zafin jiki ya fi girma fiye da yanayin canjin lokaci, VO2 yana cikin yanayin ƙarfe, yankin hasken da ake iya gani ya kasance a bayyane, yankin hasken infrared yana haskakawa sosai, kuma ɓangaren hasken infrared na hasken rana yana toshe a waje, da watsawa. hasken infrared ƙananan ne;Lokacin da batu ya canza, VO2 yana cikin yanayin semiconductor, kuma yankin daga hasken da ake iya gani zuwa hasken infrared yana da tsaka-tsakin tsaka-tsaki, yana barin mafi yawan hasken rana (ciki har da hasken da ake iya gani da hasken infrared) don shiga cikin ɗakin, tare da babban watsawa, kuma wannan canji shine mai juyawa.
Don aikace-aikacen aiki, yanayin canjin lokaci na 68 ° C har yanzu yana da girma.Yadda za a rage yanayin canjin lokaci zuwa zafin jiki matsala ce da kowa ya damu da ita.A halin yanzu, hanya mafi kai tsaye don rage yanayin canjin lokaci shine doping.
A halin yanzu, mafi yawan hanyoyin da ake amfani da su don shirya VO2 doping, shine, molybdenum ko tungsten ne kawai aka yi amfani da su, kuma akwai 'yan rahotanni kan yadda ake yin amfani da kwayoyi guda biyu a lokaci guda.Doping abubuwa biyu a lokaci guda ba zai iya rage yawan zafin jiki na lokaci ba, amma kuma inganta wasu kaddarorin foda.