光(guang)電(dian)催化量子效(xiao)率(lv)測(ce)試(shi)系(xi)統(tong) MC-SPC301

產(chan)品簡介：

       半(ban)(ban)(ban)導(dao)(dao)體(ti)(ti)光(guang)(guang)(guang)(guang)(guang)催(cui)化(hua)(hua)(hua)(hua)技(ji)術治理環(huan)境(jing)污(wu)染物是從(cong)上世紀80年(nian)代(dai)逐漸發展起來的(de)(de)(de)(de)(de)(de)一(yi)種(zhong)氧(yang)化(hua)(hua)(hua)(hua)技(ji)術，在常溫和(he)(he)常壓下(xia)，只利用催(cui)化(hua)(hua)(hua)(hua)劑、光(guang)(guang)(guang)(guang)(guang)和(he)(he)空(kong)氣就能(neng)將污(wu)染物破壞(huai)并礦化(hua)(hua)(hua)(hua)為(wei)無毒的(de)(de)(de)(de)(de)(de)二(er)氧(yang)化(hua)(hua)(hua)(hua)碳(tan)、水(shui)和(he)(he)無機離(li)子(zi)(zi)等，有(you)(you)望緩解(jie)日益(yi)嚴(yan)峻的(de)(de)(de)(de)(de)(de)環(huan)境(jing)污(wu)染問題。 光(guang)(guang)(guang)(guang)(guang)催(cui)化(hua)(hua)(hua)(hua)的(de)(de)(de)(de)(de)(de)實質是光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)子(zi)(zi)催(cui)化(hua)(hua)(hua)(hua)，光(guang)(guang)(guang)(guang)(guang)生(sheng)載流(liu)作(zuo)為(wei)反應(ying)(ying)(ying)物參與(yu)(yu)反應(ying)(ying)(ying)，就光(guang)(guang)(guang)(guang)(guang)催(cui)化(hua)(hua)(hua)(hua)反應(ying)(ying)(ying)動力學(xue)和(he)(he)機理研(yan)究(jiu)而言(yan)，光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)化(hua)(hua)(hua)(hua)學(xue)測試技(ji)術是一(yi)種(zhong)非常重要和(he)(he)有(you)(you)效的(de)(de)(de)(de)(de)(de)手段。半(ban)(ban)(ban)導(dao)(dao)體(ti)(ti)材料光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)催(cui)化(hua)(hua)(hua)(hua)反應(ying)(ying)(ying)在具有(you)(you)不同類型（電(dian)(dian)(dian)子(zi)(zi)和(he)(he)離(li)子(zi)(zi)）電(dian)(dian)(dian)導(dao)(dao)的(de)(de)(de)(de)(de)(de)兩個(ge)導(dao)(dao)電(dian)(dian)(dian)體(ti)(ti)的(de)(de)(de)(de)(de)(de)界面上進行的(de)(de)(de)(de)(de)(de)一(yi)種(zhong)催(cui)化(hua)(hua)(hua)(hua)過程(cheng)，同時(shi)(shi)具有(you)(you)光(guang)(guang)(guang)(guang)(guang)催(cui)化(hua)(hua)(hua)(hua)和(he)(he)電(dian)(dian)(dian)催(cui)化(hua)(hua)(hua)(hua)的(de)(de)(de)(de)(de)(de)特性。當(dang)用能(neng)量等于(yu)或高(gao)于(yu)半(ban)(ban)(ban)導(dao)(dao)體(ti)(ti)吸收(shou)閾值的(de)(de)(de)(de)(de)(de)光(guang)(guang)(guang)(guang)(guang)照射塊狀半(ban)(ban)(ban)導(dao)(dao)體(ti)(ti)時(shi)(shi)，半(ban)(ban)(ban)導(dao)(dao)體(ti)(ti)的(de)(de)(de)(de)(de)(de)價(jia)帶(dai)電(dian)(dian)(dian)子(zi)(zi)可被激發產生(sheng)躍遷，同時(shi)(shi)在價(jia)帶(dai)產生(sheng)相應(ying)(ying)(ying)的(de)(de)(de)(de)(de)(de)空(kong)穴(xue)(xue)，從(cong)而在半(ban)(ban)(ban)導(dao)(dao)體(ti)(ti)內部產生(sheng)電(dian)(dian)(dian)子(zi)(zi)-空(kong)穴(xue)(xue)對(dui)。 光(guang)(guang)(guang)(guang)(guang)生(sheng)電(dian)(dian)(dian)子(zi)(zi)-空(kong)穴(xue)(xue)對(dui)在空(kong)間電(dian)(dian)(dian)荷(he)(he)層電(dian)(dian)(dian)場的(de)(de)(de)(de)(de)(de)作(zuo)用下(xia)，空(kong)穴(xue)(xue)遷移(yi)(yi)到半(ban)(ban)(ban)導(dao)(dao)體(ti)(ti)粒子(zi)(zi)表(biao)面與(yu)(yu)溶液(ye)中(zhong)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)子(zi)(zi)供(gong)體(ti)(ti)發生(sheng)氧(yang)化(hua)(hua)(hua)(hua)反應(ying)(ying)(ying)，而電(dian)(dian)(dian)子(zi)(zi)與(yu)(yu)電(dian)(dian)(dian)子(zi)(zi)受體(ti)(ti)發生(sheng)還原(yuan)反應(ying)(ying)(ying), 或者向電(dian)(dian)(dian)極(ji)基底運動并通過外電(dian)(dian)(dian)路到達對(dui)電(dian)(dian)(dian)極(ji)參與(yu)(yu)還原(yuan)反應(ying)(ying)(ying)。光(guang)(guang)(guang)(guang)(guang)激發產生(sheng)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)子(zi)(zi)和(he)(he)空(kong)穴(xue)(xue)至少(shao)經(jing)歷(li)以下(xia)途(tu)徑：載流(liu)子(zi)(zi)的(de)(de)(de)(de)(de)(de)擴(kuo)散(san)、俘獲、復合和(he)(he)界面電(dian)(dian)(dian)荷(he)(he)轉移(yi)(yi). 其中(zhong)復合和(he)(he)界面電(dian)(dian)(dian)荷(he)(he)轉移(yi)(yi)是兩個(ge)相互競爭的(de)(de)(de)(de)(de)(de)過程(cheng)，界面電(dian)(dian)(dian)荷(he)(he)轉移(yi)(yi)從(cong)而實現光(guang)(guang)(guang)(guang)(guang)能(neng)的(de)(de)(de)(de)(de)(de)利用。

       北京(jing)鎂瑞(rui)臣科技(ji)有(you)限(xian)公司采納(na)行業(ye)大能們的實驗經驗，歸納(na)總結并反復驗證后自(zi)主研(yan)發生產了光電(dian)催化測試(shi)分析系(xi)統，可(ke)配合進(jin)口或國產電(dian)化學工作站進(jin)行測試(shi)。光電(dian)催化系(xi)統可(ke)實現(xian)波長的連續可(ke)調，應(ying)用材料表征、電(dian)測試(shi)、電(dian)化學分析、光催化及IPCE測試(shi)等多(duo)領域中。