2026-04-11 15:06:42
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據西安交通大學新聞網報道:“能源危機”和“環境汙染”shidangjinshijiemianlindeliangdazhuyaonanti,bandaoticailiaokeyiliyongtaiyangnengqudongguangcuihuafenjieshuichanqing,weijiejingdeqingnengqudaihuashiranliaotigongleyizhongkeneng。raner,ruhetigaoguangcuihuachanqingxiaolvheguangcuihuajidewendingxing,shimuqiangailingyumianlindeguanjiankexuewenti。
近(jin)日(ri),西(xi)安(an)交(jiao)通(tong)大(da)學(xue)電(dian)氣(qi)工(gong)程(cheng)學(xue)院(yuan)電(dian)力(li)設(she)備(bei)電(dian)氣(qi)絕(jue)緣(yuan)國(guo)家(jia)重(zhong)點(dian)實(shi)驗(yan)室(shi)新(xin)型(xing)儲(chu)能(neng)與(yu)能(neng)量(liang)轉(zhuan)換(huan)納(na)米(mi)材(cai)料(liao)研(yan)究(jiu)中(zhong)心(xin),首(shou)次(ci)采(cai)用(yong)原(yuan)子(zi)層(ceng)沉(chen)積(ji)的(de)方(fang)法(fa)設(she)計(ji)了(le)一(yi)類(lei)新(xin)型(xing)的(de)具(ju)有(you)可(ke)控(kong)ZnO殼層的CdS@ZnO核(he)殼(ke)結(jie)構(gou)複(fu)合(he)催(cui)化(hua)劑(ji),與(yu)傳(chuan)統(tong)的(de)液(ye)相(xiang)合(he)成(cheng)相(xiang)比(bi),該(gai)方(fang)法(fa)在(zai)兩(liang)種(zhong)半(ban)導(dao)體(ti)之(zhi)間(jian)得(de)到(dao)了(le)接(jie)觸(chu)緊(jin)密(mi)的(de)界(jie)麵(mian),有(you)效(xiao)提(ti)高(gao)了(le)光(guang)生(sheng)電(dian)子(zi)和(he)空(kong)穴(xue)的(de)分(fen)離(li)和(he)傳(chuan)輸(shu)效(xiao)率(lv),從(cong)而(er)使(shi)複(fu)合(he)半(ban)導(dao)體(ti)的(de)催(cui)化(hua)效(xiao)率(lv)大(da)幅(fu)度(du)提(ti)高(gao),該(gai)方(fang)法(fa)製(zhi)備(bei)的(de)CdS@ZnO光催化產氫效率高達98.82 mmol/g/h,是此前報道的CdS-ZnO體係最高產氫效率的5.6倍。此外,由於ZnO殼層可有效阻止CdS核he的de光guang腐fu蝕shi,使shi該gai複fu合he催cui化hua劑ji表biao現xian出chu優you秀xiu的de光guang催cui化hua穩wen定ding性xing。該gai成cheng果guo有you望wang在zai光guang催cui化hua產chan氫qing領ling域yu得de到dao廣guang泛fan應ying用yong,實shi現xian催cui化hua效xiao率lv和he催cui化hua穩wen定ding性xing的de顯xian著zhu提ti升sheng。

該研究成果以“Rational design of CdS@ZnO core-shell structure via atomic layer deposition for drastically enhanced photocatalytic H2evolution with excellent photostability”為題於近日發表在納米材料領域頂級期刊《Nano Energy》上(shang),論(lun)文(wen)第(di)一(yi)作(zuo)者(zhe)為(wei)電(dian)氣(qi)工(gong)程(cheng)學(xue)院(yuan)博(bo)士(shi)生(sheng)馬(ma)丹(dan)丹(dan),通(tong)訊(xun)作(zuo)者(zhe)為(wei)電(dian)氣(qi)學(xue)院(yuan)牛(niu)春(chun)明(ming)千(qian)人(ren)團(tuan)隊(dui)石(shi)建(jian)穩(wen)副(fu)教(jiao)授(shou),論(lun)文(wen)的(de)國(guo)際(ji)合(he)作(zuo)者(zhe)為(wei)澳(ao)大(da)利(li)亞(ya)昆(kun)士(shi)蘭(lan)大(da)學(xue)王(wang)連(lian)洲(zhou)教(jiao)授(shou),西(xi)安(an)交(jiao)通(tong)大(da)學(xue)是(shi)第(di)一(yi)作(zuo)者(zhe)與(yu)第(di)一(yi)通(tong)訊(xun)單(dan)位(wei)。
新型儲能與轉換納米材料研究中心(http://cne.xjtu.edu.cn)瞄準新能源技術發展前沿,圍繞新型儲能和能量轉換納米材料研究方向,開展以材料微觀/介觀結構-化學特性-納(na)米(mi)製(zhi)備(bei)技(ji)術(shu)為(wei)核(he)心(xin)的(de)基(ji)礎(chu)研(yan)究(jiu)工(gong)作(zuo),並(bing)以(yi)新(xin)能(neng)源(yuan)轉(zhuan)換(huan)與(yu)儲(chu)能(neng)係(xi)統(tong)示(shi)範(fan)工(gong)程(cheng)的(de)研(yan)究(jiu)和(he)實(shi)施(shi)帶(dai)動(dong)電(dian)氣(qi)工(gong)程(cheng)學(xue)科(ke)的(de)發(fa)展(zhan)建(jian)設(she),實(shi)現(xian)在(zai)該(gai)領(ling)域(yu)的(de)理(li)論(lun)創(chuang)新(xin)與(yu)研(yan)究(jiu)方(fang)法(fa)的(de)創(chuang)新(xin)。
論文鏈接:https://doi.org/10.1016/j.nanoen.2017.06.047