星空娱乐

瀛︽牎涓婚〉 鍏氬瀹d紶閮 鏂伴椈缃
瀛︽牎涓婚〉 鍏氬瀹d紶閮 鏂伴椈缃

星空娱乐:鍖楃悊宸ュ洟闃熷湪鐢靛偓鍖栫閰告牴杩樺師鍒舵皑鏂归潰鍙栧緱閲嶈杩涘睍


杩戞棩锛屽寳浜悊宸ュぇ瀛﹀寲瀛︿笌鍖栧伐瀛﹂櫌闄跺啗鏁欐巿鍥㈤槦鍦ㄧ數鍌寲纭濋吀鏍硅繕鍘熷埗姘ㄦ柟闈㈠彇寰楅噸瑕佽繘灞曘€傜浉鍏崇爺绌舵垚鏋滀互鈥淚dentification of dynamic active sites among Cu species derived from MOFs@CuPc for electrocatalytic nitrate reduction reaction to ammonia鈥濅负棰橈紝鍦ㄥ浗闄呯煡鍚嶆湡鍒娿€婄撼寰揩鎶ャ€嬶紙Nano-Micro Letters锛変笂鍙戣〃锛圖OI锛10.1007/s40820-023-01091-9锛夈€傝宸ヤ綔浠ュ寳浜悊宸ュぇ瀛︿负绗竴閫氳鍗曚綅锛岄櫠鍐涙暀鎺堝拰闊╁浗鎴愬潎棣嗗ぇ瀛︾殑鍒樻€ц緣鍗氬+涓哄叡鍚岄€氳浣滆€咃紝鍗氬+鐮旂┒鐢熷唨瀛︽磱涓鸿璁烘枃鐨勭涓€浣滆€呫€傝鏂囩珷涔熷緱鍒颁簡鍖椾含鐞嗗伐澶у鍖诲伐铻嶅悎鐮旂┒闄㈤偟鐟炴枃鍓爺绌跺憳鍥㈤槦鍦ㄥ弻鐞冨樊鏍℃鎵弿閫忓皠鐢靛瓙鏄惧井闀滄柟闈㈢殑鎶€鏈敮鎸併€

鐩存帴鐢靛寲瀛︾閰告牴杩樺師鍙嶅簲锛圢ITRR锛夋槸涓€绉嶅緢鏈夊墠閫旂殑鏂规硶锛屽彲浠ョ紦瑙d笉骞宠 鐨勬爱寰幆骞跺疄鐜癗H3鐨勭數鍚堟垚銆傜劧鑰岋紝楂樻椿鎬u鍩虹數鍌寲鍓傚湪NITRR鍙嶅簲杩囩▼涓殑缁撴瀯閲嶇粍闃荤浜嗗姩鎬佹椿鎬т綅鐐圭殑璇嗗埆鍜屽偓鍖栨満鐞嗙殑娣卞叆鐮旂┒銆備竴鑸潵璇达紝杩囨浮閲戝睘鍘熷瓙鍦ㄩ珮娓╃儹瑙h繃绋嬩腑瀹规槗杩佺Щ鑱氶泦鎴愰噾灞炵撼绫冲洟绨囧拰/鎴栫撼绫抽绮掞紝涓ラ噸褰卞搷浜嗛珮璐熻浇閲忛噾灞炲崟鍘熷瓙鍌寲鍓傜殑鍚堟垚銆傚洜姝わ紝鎺㈢┒鐢靛偓鍖朜H3鐢熸垚杩囩▼涓瑿u鐗╃鍌寲鍓傜殑璐熻浇閲忓拰鍙嶅簲鐢典綅鐨勫弻閲嶉┍鍔ㄨ涓烘槸鎻ず鐢靛偓鍖朜ITRR娲绘€ц捣婧愮殑鍏抽敭鎵€鍦ㄣ€

璇ュ洟闃熷湪鍓嶆湡閲戝睘鏈夋満妗嗘灦锛圡OFs锛夌爺绌跺伐浣滅殑鍩虹涓婏紙Catal. Sci. Technol. 2020, 10, 5048鈥5059锛汳ater. Chem. Front. 2021, 5, 7796鈥7807锛汵ano Res. 2022, 15, 6045鈥6053锛夛紝绔嬭冻浜嶮OFs鍌寲鍓傜殑瀹氬埗鍚堟垚鏉ュ疄鐜板偓鍖栧弽搴旀€ц兘鐨勬彁鍗囥€傝璁烘枃閫氳繃棰勯敋瀹氬拰鍚庣儹瑙g瓥鐣ュ悎鎴愪簡閿氬畾鍦∟鎺烘潅TiO2/C涓婄殑Cu鐗╃锛堝崟鍘熷瓙銆佸洟绨囧拰绾崇背棰楃矑锛夊偓鍖栧墏銆傜粨鏋滆〃鏄庯紝鐢靛偓鍖朜ITRR杩囩▼涓瑿u缁勫垎鐨勯噸鏋勮涓轰笌Cu璐熻浇閲忓拰鍙嶅簲鐢典綅鐩稿叧銆傚叿浣撹€岃█锛屽湪杈冮珮鐨凜u璐熻浇閲忓拰杈冭礋鐨勫弽搴旂數浣嶄笅鏇村鏄撳皢Cu鍗曞師瀛愪綅鐐归€氳繃鐢典綅椹卞姩鐨勮仛闆嗚浆鍖栦负Cu鍥㈢皣鍜岀撼绫抽绮掞紝鑰屽湪鐜鏉′欢涓嬮噸鏋勫悗鐨勯儴鍒咰u鍥㈢皣鍜岀撼绫抽绮掍細閫氳繃姘у寲椹卞姩鐨勫啀鍒嗘暎鍙€嗚浆鍙樻垚Cu鍗曞師瀛愩€傗垝0.75 V  vs. RHE鐢典綅涓嬮噸鏋勫悗鐨凜uN4&Cu4缁撴瀯鍙疄鐜88.2 mmol h鈭1 gcata鈭1鐨凬H3浜у嚭閫熺巼鍙妦94.3%鐨凢E銆

鍥1 Cu鐗╃鍌寲鍓備腑Cu鈥揘鍜孋u鈥揅u閰嶄綅鏁伴殢鐢典綅鐨勫彉鍖栦互鍙婇噸鏋勩€佸啀鍒嗘暎鏈哄埗

瀵嗗害娉涘嚱鐞嗚锛圖FT锛夎绠楄〃鏄嶤uN4&Cu4缁撴瀯涓瑿uN4涓嶤u鍥㈢皣涔嬮棿鐨勫己鐩镐簰浣滅敤閫氳繃涓婄Щ鍗曚綅鐐笴u鐨刣甯︿腑蹇冧互澧炲己瀵瑰弽搴斿簳鐗╁拰涓棿浣撶殑鍚搁檮銆傛澶栵紝Cu鍥㈢皣鏀瑰杽浜嗗崟浣嶇偣Cu鐨勭數鑽峰垎甯冨拰鐢靛瓙缁撴瀯锛屽苟鍔犻€熶簡鍙嶅簲涓棿浣*NH2OH鍒*NH2鐨勫揩閫熻浆鍖栵紝鏈€缁堝湪CuN4&Cu4缁撴瀯涓婂彲瀹炵幇鏈€浼樼殑鐢靛偓鍖朜H3浜у嚭鎬ц兘銆

鍥2 涓嶅悓Cu缁撴瀯鐨勭悊璁鸿绠楃粨鏋滃強NITRR杩囩▼鐨勬満鐞

璇ョ爺绌跺緱鍒颁簡鍥藉鑷劧绉戝鍩洪噾锛92061106鍜21971016锛夌殑鏀寔銆傚悓鏃讹紝鎰熻阿鍖椾含鐞嗗伐澶у鍒嗘瀽娴嬭瘯涓績鍜屽寳浜悓姝ヨ緪灏勮缃伐浣滀汉鍛樼殑鎶€鏈敮鎸併€

鏂囩珷閾炬帴锛歨ttps://link.springer.com/article/10.1007/s40820-023-01091-9


闄勪綔鑰呯畝浠嬶細

闄跺啗锛氬寳浜悊宸ュぇ瀛﹀寲瀛︿笌鍖栧伐瀛﹂櫌鐗硅仒鏁欐巿锛屽浗瀹舵澃鍑洪潚骞寸瀛﹀熀閲戣幏寰楄€呫€備富瑕佷粠浜嬪垎瀛愬熀鏉愭枡鐨勭鎬с€佸厜瀛︺€佷粙鐢点€侀搧鐢点€佸偓鍖栨€ц兘鐮旂┒锛屽湪Chem. Soc. Rev., Nat. Commun., J. Am. Chem. Soc., Angew. Chem., Int. Ed.绛夊彂琛ㄥ绡囧鏈鏂囥€

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鍒嗕韩鍒帮細