QDot PbS(硫化鉛)量(liang)(liang)子(zi)(zi)點吸(xi)(xi)收(shou)(shou)(shou)(shou)高達近紅(hong)外(NIR)范圍的高能光(guang)(guang)子(zi)(zi)的光(guang)(guang),并(bing)在(zai)近紅(hong)外范圍內重新(xin)(xin)發射(she)(she)(she)。簡單地通過將顆粒(li)尺(chi)寸從(cong)2nm改變到12nm,可(ke)以(yi)將吸(xi)(xi)收(shou)(shou)(shou)(shou)/發射(she)(she)(she)輪廓從(cong)800nm調整到2200nm。這種(zhong)材料具(ju)有(you)優異的光(guang)(guang)吸(xi)(xi)收(shou)(shou)(shou)(shou),用于(yu)近紅(hong)外(NIR)或(huo)(huo)短波紅(hong)外(SWIR)圖(tu)像傳(chuan)(chuan)感器(qi)。該材料也適用于(yu)X射(she)(she)(she)線(xian)(xian)(xian)傳(chuan)(chuan)感器(qi)、太陽能電池(chi)和紅(hong)外LED。QDot PbS量(liang)(liang)子(zi)(zi)點通過所(suo)有(you)可(ke)見光(guang)(guang)和近紅(hong)外(NIR)范圍吸(xi)(xi)收(shou)(shou)(shou)(shou)光(guang)(guang),并(bing)在(zai)800至2200nm的NIR范圍內重新(xin)(xin)發射(she)(she)(she),這分(fen)(fen)別取決(jue)于(yu)2至12nm的顆粒(li)尺(chi)寸。QDot PbS量(liang)(liang)子(zi)(zi)點具(ju)有(you)廣(guang)泛的吸(xi)(xi)收(shou)(shou)(shou)(shou)特性,從(cong)高能光(guang)(guang)子(zi)(zi)到近紅(hong)外光(guang)(guang)。在(zai)近紅(hong)外范圍內仔細觀察(cha)可(ke)以(yi)發現,量(liang)(liang)子(zi)(zi)點可(ke)以(yi)根據(ju)其吸(xi)(xi)收(shou)(shou)(shou)(shou)譜(pu)(紅(hong)線(xian)(xian)(xian)“吸(xi)(xi)收(shou)(shou)(shou)(shou)”)或(huo)(huo)發射(she)(she)(she)譜(pu)(紫線(xian)(xian)(xian)“發射(she)(she)(she)”)進行分(fen)(fen)類。