光解水製氫催化劑研究取得重要進展

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。

jinri
，xianjiaotongdaxuedianqigongchengxueyuandianlishebeidianqijueyuanguojiazhongdianshiyanshixinxingchunengyunengliangzhuanhuannamicailiaoyanjiuzhongxin，shoucicaiyongyuanzicengchenjidefangfashejileyileixinxingdejuyoukekongZnO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deCdS@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