Za'a iya amfani da sabbin semiconductor na bakin ciki da taushi don yin ƙananan danano optoelectronic na'urorin
roperties, kauri na kawai 'yan nanometers, mai kyau Tantancewar Properties… The rahoto koyi daga Nanjing University of Technology cewa, bincike kungiyar na farfesa na kimiyyar lissafi Sashen na makaranta ya shirya wani matsananci-bakin ciki high quality-biyu-girma gubar iodide crystal, da kuma ta hanyar da shi don cimma tsari na Tantancewar Properties na biyu-girma mika mulki karfe sulfide kayan da ke samar da sabon karfe sulfide kayan da kerarre sabon sel.masu daukar hoto. An buga sakamakon a cikin sabuwar mujallar kasa da kasa Advanced Materials.
"Maɗaukakiyar gubar gubar iodide nanosheets ɗin da muka shirya a karon farko, kalmar fasaha shine' rata mai girman nau'in nau'in nau'in nau'in nau'in lu'ulu'u PbI2 mai girma biyu', wanda shine ƙwanƙwasa-bakin ciki na semiconductor mai kauri na 'yan nanometers kawai." Sun Yan, marubuci na farko na takarda kuma dan takarar digiri na biyu a Jami'ar Fasaha ta Nanjing, ya ce sun yi amfani da hanyar warwarewa don haɗawa, wanda ke da ƙananan buƙatun kayan aiki kuma yana da fa'ida na sauƙi, sauri da inganci, kuma yana iya biyan bukatun manyan yanki da manyan kayan aiki. Nanosheets gubar iodide da aka haɗa suna da siffar triangular na yau da kullun ko siffar hexagonal, matsakaicin girman 6 microns, ƙasa mai santsi da kyawawan kaddarorin gani.
Masu binciken sun haɗu da wannan ultra-bakin ciki nanosheet na gubar iodide tare da nau'i-nau'i biyu na canji na karfe sulfide, an tsara su ta hanyar wucin gadi, an tattara su tare, kuma sun sami nau'o'in nau'in heterojunctions daban-daban, saboda an tsara matakan makamashi ta hanyoyi daban-daban, don haka gubar iodide na iya samun tasiri daban-daban akan aikin gani na daban-daban nau'i-nau'i nau'i nau'i nau'i nau'in sulfides. Wannan tsarin bandeji na iya inganta ingantaccen haske, wanda ke taimakawa samar da na'urori irin su diodes masu fitar da haske da lasers, waɗanda aka yi amfani da su a cikin nuni da haske, kuma ana iya amfani da su a fagen na'urar gano hotona'urorin photovoltaic.
Wannan nasara tana fahimtar ƙa'idodin kaddarorin gani na kayan mizanin ƙarfe sulfide mai girma biyu ta hanyar ultra-bakin ciki gubar iodide. Idan aka kwatanta da na'urorin optoelectronic na gargajiya bisa tushen kayan siliki, wannan nasarar tana da halaye na sassauci, micro da nano. Sabili da haka, ana iya amfani da shi don shirye-shiryen sassauƙa da haɗin kaioptoelectronic na'urorin. Yana da fa'idar aikace-aikace mai fa'ida a fagen haɗaɗɗun micro da nano optoelectronic na'urorin, kuma yana ba da sabon ra'ayi don kera ƙwayoyin hasken rana, masu gano hoto da sauransu.
Lokacin aikawa: Satumba-20-2023