鎽� 瑕侊細 TiO2姘ｆ晱鍌虫劅鍣ㄥ叿鏈夊伐浣滄韩搴︿綆銆侀潏鏁忓害楂�銆侀熆鎳�(y墨ng)閫熷害蹇€佸埗鍌欑啊鍠瓑鐛ㄧ壒鍎�(y艒u)榛�锛屽凡缍�(j墨ng)鎴愮偤浜哄€戦棞(gu膩n)娉ㄧ殑鐔遍粸銆傛湰鏂囨杩颁簡TiO2鏉愭枡鐨勫皫闆婚鍨嬪拰姘ｆ晱姗熺悊锛屼粙绱逛簡TiO2姘ｆ晱鍌虫劅鍣ㄥ叐鍊嬫柟闈㈢殑鐮旂┒閫插睍锛氶亱鐢ㄥ偝绲�(t菕ng)鎽婚洔鏂规硶鍜屽埄鐢ㄧ磵绫虫妧琛�(sh霉)鏀瑰杽鍌虫劅鍣ㄦ€ц兘锛涘睍鏈涗簡TiO2姘ｆ晱鍌虫劅鍣ㄤ粖鍚庣殑鐮旂┒鍜岀櫦(f膩)灞曟柟鍚�銆� 闂�(gu膩n)閸佃锛�姘ｆ晱鍌虫劅鍣�锛涗簩姘у寲閳�锛涢噾灞哀鍖栫墿鍗婂皫楂�锛涙埃鏁忔鐞嗭紱绱嶇背鍌虫劅鍣� 涓€銆佸紩 瑷€ 杩戝勾渚�锛岀叅绀︾垎鐐搞€佸灞呯噧姘ｄ簨鏁呮檪鏈夌櫦(f膩)鐢�锛岀郸浜烘皯鐢熷懡璨＄敘(ch菐n)閫犳垚浜嗘サ澶х殑鎼嶅锛屽彟澶栧ぇ姘ｆ薄鏌撳晱椤屾棩鐩婂毚閲嶏紝姹借粖灏炬埃鍙婂伐妤�(y猫)瑷�(sh猫)鍌欎腑姘ｉ珨鐨勬帓鏀炬垚鐐洪噸瑕佺殑姹℃煋婧�銆傜偤浜嗘湁鏁堝湴鎺у埗閫欎簺姘ｉ珨鐨勬帓鏀�锛屼汉鍊戦噰鐢ㄦ埃楂斿偝鎰熷櫒渚嗘娓€欎簺姘ｉ珨鐨勫惈閲�銆傚湪妾㈡脯绯荤当(t菕ng)涓�锛屽洜鐐哄绂佸付鐨刵鍨嬮噾灞哀鍖栫墿姘ｆ晱鍌虫劅鍣ㄥ叿鏈夋垚鏈綆銆侀潏鏁忓害楂�銆佹槗鎿嶄綔鍜屾帶鍒躲€佹槗鑸囧井闆诲瓙绯荤当(t菕ng)鍏煎[1]绛夊劒(y艒u)榛炶€屾棩鐩婂彈鍒伴噸瑕�銆傞€欑ó鐢ㄤ綔鍌虫劅鏉愭枡鐨刵鍨嬪绂佸付閲戝爆姘у寲鐗╂湁SnO2銆丗e2O3銆乀iO2銆両n2O3銆乄O3绛塠2]銆傚叾涓渶鍏堟姇鍏ョ敓鐢�(ch菐n)銆佸苟寤ｆ硾鎳�(y墨ng)鐢ㄧ殑鏄疭nO2姘ｆ晱鏉愭枡銆備絾鏄紝闅ㄨ憲鐮旂┒鐨勬繁鍏�锛屼汉鍊戠櫦(f膩)鐝�(xi脿n)TiO2姘ｆ晱鏉愭枡鍏锋湁宸ヤ綔婧害浣庛€佹€ц兘濂�銆佸埗鍌欑啊鍠瓑鐛ㄧ壒鍎�(y艒u)榛瀃3]锛屽洜姝ら€愭几鎴愮偤浜哄€戦棞(gu膩n)娉ㄧ殑鍙︿竴鍊嬬啽榛炪€傛湰鏂囧緸TiO2鏉愭枡鐨勭祼(ji茅)妲�(g貌u)鍑虹櫦(f膩)锛岀稖杩颁簡TiO2鐨勬埃鏁忔鐞�銆佺暥鍓嶇殑鐮旂┒閫插睍鍙婂瓨鍦ㄧ殑鍟忛锛屽苟灏嶄粖鍚庣殑鐧�(f膩)灞曢€茶浜嗗睍鏈�銆� 浜屻€乀iO[sub]2[/sub]鍌虫劅鏉愭枡鐨勫皫闆婚鍨� 瀵﹂殯鐨勬櫠楂斿苟闈炲鐞嗘兂鏅堕珨閭ｆǎ鍏锋湁鍤存牸鐨勫懆鏈熸€�銆傚湪鏅堕珨涓紝鍘熷瓙鍦ㄥ叾骞宠　浣嶇疆闄勮繎鍋氬井灏忔尟鍕�銆傞€欑ó鎸嫊浣垮叾鐔辨尟鍕曠殑鑳介噺鍑虹従(xi脿n)婕茶惤锛屽師瀛愪竴鏃︾嵅寰楄冻澶犲ぇ鐨勫嫊鑳�锛屽氨鍙兘鑴洟姝ｅ父浣嶇疆锛岃烦鍒伴劙杩戝師瀛愮殑闁撻殭涓幓锛屽舰鎴愬～闅欏師瀛�锛屽苟鍦ㄧ浉鎳�(y墨ng)浣嶇疆褰㈡垚涓€鍊嬬┖浣峓4]銆傞€欑ó榛炵己闄风殑鐢�(ch菐n)鐢熷湪姘у寲鐗╂潗鏂欑殑绂佸付涓紩鍏ョ己闄疯兘绱�锛屼娇寰楅浕瀛愬彲浠ユ瘮杓冨鏄撶殑寰炵己闄疯兘绱氳簫閬峰埌灏庡付锛屾垨鐢卞児甯惰簫閬峰埌缂洪櫡鑳界礆锛屼娇鏈締鍏锋湁寰堥珮闆婚樆鐜囩殑閲戝爆姘у寲鐗╄〃鐝�(xi脿n)鍑哄崐灏庨珨鎬ц兘[4, 5]銆� 灏峊iO2渚嗚锛岀磾鍖栧瑷堥噺姣旂殑TiO2鐨勫皫甯朵腑骞舵矑鏈夐浕瀛愶紝鍏跺皫甯朵綆鑳界礆涓昏鏄垿闆㈠瓙3d杌岄亾闆诲瓙鐨勮并鐛�锛屽児甯堕爞鑳界礆涓昏鏄哀闆㈠瓙2p杌岄亾闆诲瓙鐨勮并鐛�銆傚叾甯堕殭瀵害绱勭偤3.0eV锝�3.20eV锛屽洜姝ゅ湪瀹ゆ韩涓嬶紝绱斿寲瀛歌▓閲忔瘮鐨凾iO2鍏锋湁寰堥珮鐨勯浕闃荤巼[6, 7]銆傜暥瀛樺湪涓€瀹氱殑澹撳姏鍜屾韩搴︽檪锛岀敱浜庣啽骞宠　姊濅欢鐨勮姹�锛孴iO2鐨勭祫鍒嗗皪鍖栧瑷堥噺姣斿氨鏈冩湁杓冨ぇ鍋忛洟[4]锛岀敘(ch菐n)鐢熶竴瀹氭績搴︾殑榛炵己闄�銆備緥濡傚湪鐪熺┖鐖愬収(n猫i)閭勫師TiO2锛屽湪杓冧綆姘у垎澹撲笅铏曠悊鏈冨緱鍒板ぇ閲忕殑姘х┖浣嶏紝鎴栧嚭鐝�(xi脿n)澶ч噺鐨勯垿濉殭銆傚彲鐢ㄩ€氬紡TiO2-未琛ㄧず鍋忛洟鍖栧瑷堥噺姣旂殑TiO2锛屽叾涓粹墵0锛屽叾鐨勫師鍥犳槸姘т笉瓒冲嚭鐝�(xi脿n)姘х┖浣嶆垨閳﹂亷鍓╁瓨鍦ㄩ垿濉殭鍘熷瓙[6]銆� 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Ruizd绛変汉[19]鐨勭爺绌跺悓妯ｄ篃瑙ｆ焙浜嗛€欏€嬪晱椤�锛屼粬鍊戠敤sol-gel娉曞湪鍒跺倷TiO2閬庣▼涓悓鏅傚姞鍏a鍜孋u锛岀祼(ji茅)鏋滆〃鏄�锛屽湪TiO2涓懟鍏a鍚�锛屽叐鐩歌綁(zhu菐n)璁婂欢閬�锛岀洿鍒�800鈩冧粛鐒跺瓨鍦ㄩ姵閳︾う绲�(ji茅)妲�(g貌u)銆備絾La鎽婚洔鍗诲彲浠ユ帶鍒舵櫠绮掔殑澶у皬锛屽叾涓�10%La鎽婚洔鐨勬ǎ鍝佹櫠绮掑ぇ灏忔槸7nm锛�5%La鎽婚洔妯ｅ搧鏅剁矑澶у皬鏄�11nm銆傜暥鍦↙a鎽婚洔鐨勬ǎ鍝佷腑鍔犲叆2%鐨凜u鏅�锛岀櫦(f膩)鐝�(xi脿n)鍏╃浉杞�(zhu菐n)璁婂姞蹇紝鍚屾檪鏅剁矑澶у皬鏈夋墍澧為暦锛屼絾涓嶉’钁�銆傞€欑ó鍚屾檪鏈塋a鍜孋u鎽婚洔鐨勬ǎ鍝侊紝鍦�700掳C鏅備粛鐐虹磾鐨勯姵閳︾う鐩哥祼(ji茅)妲�(g貌u)锛岃€屽埌800鈩冩檪宸茶〃鐝�(xi脿n)鍑哄緢鏄庨’鐨勯噾绱呯煶鍨嬬祼(ji茅)妲�(g貌u)浜�銆傚皪鍏舵埃鏁忓偝鎰熸€ц兘鐨勬脯瑭﹁〃鏄�锛岄€€鐏韩搴�900鈩�锛孡a鎽婚洔鐐�5%鐨勬ǎ鍝佸皪CO鏈夊緢楂橀潏鏁忓害锛岀暥鍦ㄩ€欑ó妯ｅ搧涓啀鎽婚洔2%鐨凜u鏅�锛岀櫦(f膩)鐝�(xi脿n)妯ｅ搧鎻愰珮浜嗗皪CO鐨勯伕鎿囨€�銆俁uizd绛変汉鐨勫伐浣滅偤鐮旂┒鏉愭枡寰祼(ji茅)妲�(g貌u)灏嶆敼鍠勫偝鎰熷櫒鎬ц兘鎻愪緵浜嗘柊鐨勬€濊矾鍜屾柟娉�銆傛垜鍊戝彲浠ユ敼璁婁互寰€鍠竴鍏冪礌鎽婚洔鏂规硶锛屽槜瑭﹀悓鏅傛懟鍏ュ叐绋綔鐢ㄤ簰瑁滅殑鍏冪礌渚嗘敼鍠勫偝鎰熷櫒鐨勬€ц兘銆� TiO2鏄竴绋吀鍨嬬殑n鍨嬪皫闆绘潗鏂欙紝鐣堕亣鍒伴倓鍘熸€ф埃楂旀檪锛屾潗鏂欑殑闆婚樆娓涘皬銆傚偝绲�(t菕ng)涓婃垜鍊戦€氬父閬嬬敤閫欑ó灏庨浕椤炲瀷鐨勬潗鏂欎締妾㈡脯閭勫師鎬ф埃楂�锛屼絾鏄暥閬囧埌鏌愪簺姘у寲鎬ф埃楂旓紝濡侼O2鏅�锛孴iO2鐨勯浕闃诲皣澧炲ぇ锛屽澶х殑閲忔湁鏅傛渻瓒呴亷鍌崇当(t菕ng)闆昏矾鐨勬帰娓サ闄�銆傜暥TiO2鐐鸿杽鑶滄檪閫欑ó鐝�(xi脿n)璞℃洿鍔犳槑椤�銆傚洜姝ゆ噳(y墨ng)鐣堕伕鐢╬鍨嬪皫闆绘潗鏂欎締妾㈡脯NO2锛屽洜鐐哄湪閬╃暥?sh霉)鑷坙浠朵笅锛宲鍨嬪皫闆绘潗鏂欓亣鍒版哀鍖栨€ф埃楂旀檪闆婚樆娓涘皬[14]銆� 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2[/sub]姘ｆ晱鍌虫劅鍣ㄧ櫦(f膩)灞曟柟鍚戠殑灞曟湜 闅ㄨ憲鍌崇当(t菕ng)鐮旂┒鏂规硶鐨勪笉鏂锋敼閫�锛屼互鍙婄磵绫虫妧琛�(sh霉)鐨勫紩鐢�锛孴iO2姘ｆ晱鍌虫劅鍣ㄧ殑鐧�(f膩)灞曞彇寰椾簡闀疯冻閫叉锛屽叾閬告搰鎬�銆侀潏鏁忔€�銆佺┅(w臎n)瀹氭€ч兘鏈変簡寰堝ぇ鎻愰珮銆備絾鏄湪鐮旂┒涓粛鐒堕倓瀛樺湪钁椾竴浜涗簾寰呰В姹虹殑鍟忛锛屽鍌寲鍔戞槸濡備綍褰遍熆鍌虫劅姗熷埗鐨勶紱閬嬬敤鍌崇当(t菕ng)鏀归€叉柟娉曞強绱嶇背椤嗙矑鍒朵綔鐨勬埃鏁忓偝鎰熷櫒鐨勫伐浣滄韩搴﹂洊鐒跺ぇ澶ч檷浣�锛屼絾鍏跺伐浣滄韩搴︿粛椤お楂�锛屽ぇ绱勫湪200鈩冨乏鍙筹紱閭勬湁闆栫劧绱嶇背鍌虫劅鍣ㄧ殑澶ч儴鍒嗘€ц兘姣斿偝绲�(t菕ng)鐨勫劒(y艒u)瓒�锛屼絾鏄叾鎭㈠京鏅傞枔鍗昏純闀枫€傞毃钁楃悊璜栫爺绌跺拰绱嶇背鎶€琛�(sh霉)鐨勯€蹭竴姝ョ櫦(f膩)灞�锛岄€欎簺鍟忛蹇呭皣鏈冨緱鍒板緢濂界殑瑙ｆ焙锛孴iO2姘ｆ晱鍌虫劅鍣ㄧ殑鐮旂┒鍜屾噳(y墨ng)鐢ㄤ篃鏈冮毃涔嬫洿涓婁竴鍊嬭嚭闅�銆� 鍙冭€冩枃鐛伙細 [1] K. 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