Ci gaban bincike na lasers na colloidal quantum dot

Ci gaban bincike naLasers na colloidal quantum dot
Dangane da hanyoyin famfo daban-daban, ana iya raba lasers na colloidal quantum dot zuwa rukuni biyu: lasers na colloidal quantum dot da aka yi amfani da hasken rana da kuma lasers na colloidal quantum dot da aka yi amfani da wutar lantarki. A fannoni da dama kamar dakin gwaje-gwaje da masana'antu,lasers masu amfani da hasken rana, kamar su fiber lasers da titanium-doped sapphire lasers, suna taka muhimmiyar rawa. Bugu da ƙari, a wasu takamaiman yanayi, kamar a fanninLaser na gani na microflow, hanyar laser bisa ga famfon gani ita ce mafi kyawun zaɓi. Duk da haka, idan aka yi la'akari da sauƙin ɗauka da kuma yawan aikace-aikacen da ake yi, mabuɗin amfani da lasers na colloidal quantum dot shine a sami fitowar laser a ƙarƙashin famfon lantarki. Duk da haka, har zuwa yanzu, ba a cimma nasarar amfani da lasers na colloidal quantum dot na colloidal da aka yi amfani da wutar lantarki ba. Saboda haka, tare da fahimtar amfani da lasers na colloidal quantum dot na colloidal da aka yi amfani da wutar lantarki a matsayin babban layi, marubucin ya fara tattauna babban hanyar haɗin samun lasers na colloidal quantum dot da aka yi amfani da wutar lantarki, wato, fahimtar amfani da laser mai ci gaba da amfani da wutar lantarki, sannan ya faɗaɗa zuwa laser mai cike da wutar lantarki, wanda zai iya zama na farko da zai fara amfani da wutar lantarki. Tsarin jikin wannan labarin an nuna shi a Hoto na 1.

Kalubalen da ke akwai
A cikin binciken da aka yi kan laser ɗin colloidal quantum dot, babban ƙalubalen har yanzu shine yadda ake samun matsakaicin gain colloidal quantum dot tare da ƙarancin ma'auni, babban riba, tsawon rai da kwanciyar hankali mai yawa. Duk da cewa an ba da rahoton sabbin tsare-tsare da kayayyaki kamar nanosheets, manyan dige-dige quantum, dige-dige gradient gradient, da dige-dige perovskite, babu wani dige-dige quantum guda ɗaya da aka tabbatar a dakunan gwaje-gwaje da yawa don samun laser mai ci gaba da amfani da hasken rana, wanda ke nuna cewa matakin riba da kwanciyar hankali na dige-dige quantum har yanzu bai isa ba. Bugu da ƙari, saboda rashin daidaitattun ƙa'idodi don haɗawa da halayyar aiki na dige-dige quantum, rahotannin aikin riba na dige-dige quantum daga ƙasashe daban-daban da dakunan gwaje-gwaje sun bambanta sosai, kuma maimaitawa ba shi da yawa, wanda kuma yana hana ci gaban dige-dige quantum colloidal tare da manyan kaddarorin gain.

A halin yanzu, ba a cimma nasarar laser mai amfani da wutar lantarki mai girman quantum dot ba, wanda ke nuna cewa har yanzu akwai ƙalubale a cikin binciken kimiyyar lissafi da fasaha mai mahimmanci na ƙimar quantum.na'urorin Laser. Ɓangaren ƙunƙwasa na Colloidal (QDS) sabon abu ne da za a iya sarrafa shi ta hanyar amfani da mafita, wanda za a iya komawa ga tsarin na'urar allurar lantarki na diodes masu fitar da haske na halitta (LEDs). Duk da haka, binciken da aka yi kwanan nan ya nuna cewa sauƙin tunani bai isa ba don cimma electroinjection colloidal quantum dot laser. Idan aka yi la'akari da bambanci a cikin tsarin lantarki da yanayin sarrafawa tsakanin ɗigon ƙunƙwasa na colloidal da kayan halitta, haɓaka sabbin hanyoyin shirya fim ɗin mafita waɗanda suka dace da ɗigon ƙunƙwasa na colloidal da kayan aiki tare da ayyukan jigilar lantarki da rami shine kawai hanyar da za a iya gano electrolaser da ɗigon ƙunƙwasa ke haifarwa. Tsarin ɗigon ƙunƙwasa na colloidal mafi girma har yanzu shine ɗigon ƙunƙwasa na cadmium colloidal waɗanda ke ɗauke da ƙarfe masu nauyi. Idan aka yi la'akari da kariyar muhalli da haɗarin halittu, babban ƙalubale ne a haɓaka sabbin kayan laser na colloidal quantum dot mai dorewa.

A cikin aikin da za a yi nan gaba, binciken lasers na kwantum dot da aka yi amfani da su ta hanyar gani da kuma lasers na kwantum dot da aka yi amfani da su ta hanyar lantarki ya kamata su yi aiki tare kuma su taka muhimmiyar rawa a cikin bincike na asali da aikace-aikacen aikace-aikace. A cikin aiwatar da aikace-aikacen laser na colloidal quantum dot, akwai buƙatar a magance matsaloli da yawa da aka saba fuskanta cikin gaggawa, kuma yadda za a ba da cikakken bayani game da halaye da ayyukan colloidal quantum dot har yanzu ba a bincika su ba.