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 | 濉戞枡 | 姍¤兌 | 綰ょ淮 | 娑傛枡涓庢補(bǔ)澧?/a> | 鑳剁矘鍓?/a> | 澶嶅悎鏉愭枡 | 鐭沖寲 | 鍖栧伐 | 浠櫒浠〃 | 鏂頒駭涓?/a> | 涓撻 | 榪斿洖棣栭〉 |
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| 濉戞枡 | 姍¤兌 | 綰ょ淮 | 娑傛枡涓庢補(bǔ)澧?/a> | 鑳剁矘鍓?/a> | 澶嶅悎鏉愭枡 | 鐭沖寲 | 鍖栧伐 | 浠櫒浠〃 | 鏂頒駭涓?/a> | 涓撻 | 榪斿洖棣栭〉 |
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鐮旂┒鑳屾櫙
閽欓挍鐭垮お闃寵兘鐢墊睜鐢變簬鍏跺叿鏈夌殑楂樻晥鐜囥佷綆鎴愭湰銆佸伐鑹虹畝鍗曠瓑浼樺娍鑰屾垚涓虹鍩哄お闃寵兘鐢墊睜鏈娼滃湪鐨勬浛浠ｈ咃紝鏈夋満-鏃犳満鏉傚寲閽欓挍鐭跨數(shù)姹犵殑鏈楂樺厜鐢?shù)铦{鎹㈡晥鐜囧凡緇忚揪鍒?/span>25.5%銆備絾鏄紝涓鑸憾娑叉硶鍒跺鐨勯挋閽涚熆钖勮啘瀛樺湪鐫澶ч噺鐨勬櫠鐣岋紝鏅剁晫澶勫鏄撳艦鎴愮己闄鳳紝閽欓挍鐭垮眰鐨勫悇縐嶇己闄峰拰涓嶅彲鎺х殑緇撴櫠榪囩▼闄愬埗浜嗗櫒浠舵晥鐜囧拰紼沖畾鎬х殑榪涗竴姝ユ彁鍗囥傝皟鎺х粨鏅惰繃紼嬪拰閽濆寲鏅剁晫緙洪櫡鏄彁楂橀挋閽涚熆澶槼鑳界數(shù)姹犳晥鐜囧拰紼沖畾鎬х殑鏈夋晥絳栫暐錛屽洜姝わ紝瀵繪壘鍚堥傜殑閽濆寲鍓傛槸鍒跺楂樻晥紼沖畾閽欓挍鐭垮お闃寵兘鐢墊睜鐨勫叧閿洜绱犱箣涓銆?br />
鍐呭綆浠?/strong>
鍗楀紑澶у鏉庤穬榫欏壇鏁欐巿絳?/span>榪戞棩鍦?/span>ACS Applied Materials & Interfaces鍙戣〃棰樹負(fù)鈥?/span>Manipulated Crystallization and Passivated Defects for Efficient Perovskite Solar Cells via Addition of Ammonium Iodide鈥?/span>鐨勭爺絀惰鏂囥備負(fù)浜嗚皟鎺ч挋閽涚熆鐨勭粨鏅惰繃紼嬪拰鍑忓皯緙洪櫡鎬佸瘑搴︼紝鏂囩珷鐢ㄤ袱姝ユ矇縐殑鏂規(guī)硶璇佹槑閾電洂杈呭姪緇撴櫠鍙互榪涗竴姝ユ彁鍗囬挋閽涚熆澶槼鐢墊睜鐨勬ц兘錛岀鍖栭摰錛?/span>NH4I錛夌殑鍔犲叆璋冩帶浜嗛挋閽涚熆鐨勬垚鏍稿拰鏅朵綋鐢熼暱錛屼腑闂翠綋 x[NH4 ]?[PbI3]x?鐨勫艦鎴愬拰杞彉澧炲ぇ浜嗛挋閽涚熆鐨勬櫠綺掞紝鍏朵腑N涓?/span>Pb鐨勯厤浣嶄綔鐢ㄩ挐鍖栦簡閽欓挍鐭夸腑鏈厤浣嶇殑Pb緙洪櫡錛屽悓鏃?/span>I鑳藉濉ˉ閽欓挍鐭胯杽鑶滀腑鐨?/span>I絀轟綅緙洪櫡錛屼粠鑰屼嬌緙洪櫡鎬佸瘑搴﹀ぇ澶у噺灝戙傜粨鏅惰繃紼嬬殑鏀瑰杽鍜岀己闄風(fēng)殑鍑忓皯浣垮櫒浠舵ц兘鏄捐憲鎻愬崌錛屽姞鍏?/span>NH4I鐨勫櫒浠跺鉤鍧囨晥鐜囦負(fù)21.36%錛屾渶楂樻晥鐜囪揪鍒?/span>22.15%錛屽茍鍦ㄤ笉鍚屾箍搴︾殑澶ф皵鐜涓〃鐜板嚭鑹ソ鐨勭ǔ瀹氭с?/span>
鍥?/span>1. NH4I浣滅敤鏈虹悊鍥?/span>
鍥炬枃瀵艱
閽欓挍鐭胯杽鑶滅殑璐ㄩ噺鐩存帴褰卞搷鐫閽欓挍鐭垮お闃寵兘鐢墊睜鐨勬ц兘銆傚浘2(a-f)鏄劇ず浜?/span>NH4I澶勭悊鍓嶅悗钖勮啘鐨勮〃闈㈠艦璨岋紝SEM錛?/span>a-b錛夊拰AFM錛?/span>c-d錛夎〃鏄庝簡涓庡鐓х粍鐩告瘮錛屽姞鍏ヤ簡NH4I鐨勯挋閽涚熆钖勮啘鏅剁矑灝哄杈冨ぇ錛岃杽鑶滄洿騫蟲暣鍏夋粦銆傚姞鍏?/span>NH4I鍚庯紝PbI2鐨勭粨鏅跺害寰楀埌鏀瑰杽錛屼腑闂寸浉x[NH4 ]?[PbI3]x?鐨勫艦鎴愯皟鎺т簡閽欓挍鐭跨殑鎴愭牳鍜屾櫠浣撶敓闀胯繃紼嬶紝榪欐槸閽欓挍鐭胯杽鑶滆川閲忔彁鍗囩殑涓昏鍘熷洜銆傚浘2e, f鏄劇ず浜嗘坊鍔?/span>NH4I鍓嶅悗鐨勯挋閽涚熆钖勮啘鐨勫紑灝?dāng)鏂囨帰閽堝?/span>(KPFM)鍥懼儚銆傞氳繃鎺ヨЕ鐢?shù)鍔垮?/span>(CPD)鏉ヨ〃寰佽杽鑶滅殑琛ㄩ潰鐢?shù)浣嶅Q屽姞鍏?/span>NH4I鐨勯挋閽涚熆鑶滅殑CPD鍊兼槑鏄懼澶э紝琛ㄩ潰鍔熷嚱鏁板奸殢涔嬪噺灝忥紝榪欎篃鏄櫒浠剁殑寮鍘嬫彁鍗囩殑鍘熷洜銆?/span>
鍥?/span>2. 鍔犲叆NH4I鍓嶅悗鐨勯挋閽涚熆钖勮啘鐨?/span>SEM錛?/span>a-b錛夛紝AFM錛?/span>c-d錛夛紝KPFM錛?/span>e-f錛夊浘銆?/span>
XRD錛堝浘3a錛夎繘涓姝ュ嵃璇佷簡涓婅堪緇撹錛岄挋閽涚熆鏇村己鐨勮灝勫嘲琛ㄦ槑浜嗛挋閽涚熆鏇撮珮鐨勮杽鑶滆川閲忥紝鍚屾椂绱鍚告敹鍥捐氨錛堝浘3b錛夋樉紺轟簡鍦ㄧ煭娉㈡錛屽姞鍏ヤ簡NH4I鐨勮杽鑶滄樉紺哄嚭鏇村己鐨勫厜鏀墮泦鑳藉姏錛岃繖涔熸槸鍣ㄤ歡鐭礬鐢墊祦瀵嗗害鎻愬崌鐨勪富瑕佸師鍥犮傜┖闂撮檺鍒剁數(shù)鑽風(fēng)數(shù)嫻侊紙SCLC錛夛紙鍥?/span>3c錛夋樉紺虹粡NH4I閽濆寲鍚庯紝闄烽槺濉厖闄愬埗鐢?shù)鍘嬪Q?/span>VTFL錛変粠0.98V闄嶄綆鍒?/span>0.63V錛岀己闄鋒佸瘑搴︼紙Nt錛変篃浠?/span>8.44×1015cm-3鍑忓皯鍒?/span>5.43×1015cm-3銆傞檷浣庣殑緙洪櫡鎬佸瘑搴﹀彲浠ラ氳繃XPS錛堝浘3d錛夊緱鍒拌瘉瀹烇紝緇忛挐鍖栧悗钖勮啘鐨?/span>Pb 4f 宄頒綅鍚戞洿楂樼粨鍚堣兘鍋忕Щ錛岃瘉鏄庝簡N涓?/span>Pb鐨勯厤浣嶄綔鐢ㄩ挐鍖栦簡閽欓挍鐭胯杽鑶滀腑鏈厤浣嶇殑Pb緙洪櫡錛岃繘涓姝ヨ瘉瀹炰簡NH4I瀵歸挋閽涚熆涓己闄風(fēng)殑閽濆寲浣滅敤銆?/span>
鍥?/span>3. NH4I閽濆寲鍓嶅悗鐨?/span>XRD錛?/span>a錛夛紝UV-vis錛?/span>b錛夛紝SCLC錛?/span>c錛夛紝XPS錛?/span>d錛夊姣斿浘銆?/span>
涓轟簡瀹氶噺浼拌閽欓挍鐭胯杽鑶滅殑緙洪櫡鎬佸瘑搴︼紝鍥?/span>4瀵圭數(shù)姹犺繘琛屼簡鍚勭琛ㄥ緛鍜屾葷粨銆傚浘4a鏄劇ず浜嗗櫒浠剁殑Voc闅忓厜寮虹殑鍙樺寲銆傛枩鐜囨嘗鍔?/span>KBT/q鏄敱鐣岄潰闈炶緪灝勫鍚堝紩璧風(fēng)殑錛岀粡澶勭悊鐨勫櫒浠剁殑n鍊間粠1.72涓嬮檷鍒?/span>1.53錛岃繘涓姝ヨ瘉鏄?/span>NH4I鍙互鏈夋晥閽濆寲鏅剁晫緙洪櫡騫舵姂鍒墮潪杈愬皠澶嶅悎銆傛殫鎬?/span>J-V錛堝浘4b錛変篃璇佹槑鍔犲叆NH4I鍚庨挋閽涚熆澶槼鐢墊睜涓晫闈㈤噸緇勫噺灝戙傚浘4c鐨?/span>Mott-Schottky鏇茬嚎鏄劇ず鍑洪挐鍖栧悗鍣ㄤ歡鐨勫唴緗數(shù)鍔匡紙Vbi錛夋槑鏄炬彁鍗囷紝琛ㄦ槑鐢?shù)鑽峰垎绂诲拰鏀堕泦鐨勯┍鍔ㄥ姏鏇村ぇ锛屾湁鍒╀簬鑾峰緱鏇撮珮鐨?/span>Voc錛屼粠鑰屾彁鍗囧櫒浠剁殑鏁翠綋鎬ц兘銆傛澶栵紝鍒╃敤鏆楁潯浠朵笅鐨勭數(shù)鍖栧闃繪姉璋?/span>(EIS)錛堝浘4d錛夌爺絀朵簡鐣岄潰鐢?shù)鑽疯浆绉诲姩鍔涘銆傚姞鍏?/span>NH4I鐨勮緗紶杈撶數(shù)闃伙紙Rtr錛夌敱51.19惟鍑忓皯鍒?/span>34.14惟錛屽鍚堢數(shù)闃伙紙Rre錛夌敱770惟澧炲姞鍒?/span>1444惟錛?/span>Rtr鐨勯檷浣庡拰Rre鐨勫鍔犺〃鏄?/span>NH4I鐨勫姞鍏ユ彁楂樹簡鐢?shù)鑽锋彁鍙栬兘鍔涘Q屾湁鏁堟姂鍒惰澆浣撶殑閲嶇粍銆?/span>
鍥?/span>4. 錛?/span>a錛夊姞鍏?/span>NH4I鍓嶅悗鐨勫紑鍘嬮殢鍏夊己鍙樺寲鐨勬洸綰垮浘銆?/span>NH4I澶勭悊鍓嶅悗鐨勬殫鎬?/span>J-V錛?/span>b錛夛紝Mott?Schottky錛?/span>c錛夛紝EIS錛?/span>d錛夊姣斿浘銆?/span>
鍥?/span>5瀵規(guī)瘮浜嗙粡NH4I閽濆寲鍓嶅悗鐨勫櫒浠舵ц兘銆傚姞鍏?/span>NH4I鍚庡櫒浠跺鉤鍧囨晥鐜囦粠20.12%鎻愬崌鍒?/span>21.36%錛屾渶楂樻晥鐜囦負(fù) 22.15錛咃紙RS錛夊拰22.10錛咃紙FS錛夛紝JSC涓?/span>24.54 mA / cm2錛?/span>VOC涓?/span>1.14 V錛?/span>FF鏄?/span>79.4錛呫備粠J-V鏇茬嚎鍜?/span>EQE闆嗘垚鑾峰緱鐨?/span>JSC鐨勫樊寮傚皬浜?/span>3錛呫傛澶栵紝300s鐨?/span>MPP璺熻釜琛ㄦ槑浜嗗櫒浠剁殑浼樺紓紼沖畾鎬с?/span>
鍥?/span>5. 錛?/span>a錛夊姞鍏?/span>NH4I鍚庡櫒浠剁殑鏈楂樻晥鐜囩殑J-V鏇茬嚎銆?/span>NH4I澶勭悊鍓嶅悗鐨?/span>EQE錛?/span>b錛夋晥鐜囧垎甯冪綰垮浘錛?/span>c錛夈傦紙d錛夊姞鍏?/span>NH4I鐨勭數(shù)姹犲湪鏈澶у姛鐜囩偣澶?/span>300s鍐呯殑MPP榪借釜銆?/span>
浣滆呯畝浠?/span>
鏉庤穬榫欏壇鏁欐巿
鍗楀紑澶у鐢?shù)瀛愪俊鎭笌鍏夊宸ソE嬪闄㈠壇鏁欐巿錛屽崥澹敓瀵煎笀銆傛浘鍏ラ夊ぉ媧ュ競嫻峰楂樺眰嬈′漢鎵嶉潚騫撮」鐩紝嬈х洘鐜涗附灞呴噷瀛﹁咃紝鎷呬換鍥藉閲嶇偣鐮斿彂璁″垝璇鵑璐熻矗浜猴紝鍥藉鑷劧縐戝鍩洪噾鍑借瘎涓撳銆?/span>2012騫?/span>3鏈堣幏寰楅煩鍥界瀛︽妧鏈爺絀墮櫌鍗氬＋瀛︿綅錛?/span>KIST/UST錛夛紝涔嬪悗鍦ㄧ編鍥藉姞宸炲ぇ瀛?/span>-鍦ｈ凱鎴堝垎鏍?/span>(UCSD)鍜岃タ鐝墮鍥藉鐮旂┒闄?/span>(CSIC)浠庝簨鍗氬＋鍚庣爺絀訛紝騫跺厛鍚庡湪鑻卞浗鐗涙觸澶у鍏嬫媺浼︾櫥瀹為獙瀹わ紙2015錛夊拰鍓戞ˉ澶у鍗℃枃榪瀹為獙瀹わ紙2018錛変綔璁塊棶鐮旂┒銆?/span>2016騫?/span>10鏈堬紝鍔犲叆鍗楀紑澶у鐢?shù)瀛愪俊鎭笌鍏夊宸ソE嬪闄€傜洰鍓嶄富鎸佸浗瀹墮噸鐐圭爺鍙戣鍒掗」鐩棰橈紝嬈х洘鈥?/span>鍦板鉤綰?/span>2020鈥?/span>欏圭洰錛屽浗瀹惰嚜鐒剁瀛﹀熀閲戦潰涓婇」鐩瓑鍥藉鎴栫渷閮ㄧ駭縐戠爺欏圭洰6欏廣備富瑕佷粠浜嬬撼綾沖厜鐢墊潗鏂欎笌鍣ㄤ歡棰嗗煙鐮旂┒錛岀洰鍓嶄笓娉ㄤ簬閽欓挍鐭垮お闃崇數(shù)姹狅紝閽欓挍鐭?/span>/鏅剁涓ょ鍙犲眰鐢墊睜錛岄挋閽涚熆鍗曟櫠鏉愭枡涓庡櫒浠訛紝鏌旀ц兘婧愮數(shù)瀛愮瓑鏂瑰悜鐮旂┒銆傛浘鑾峰緱濉戞枡琛簳鏌旀ф煋鏂欐晱鍖栧お闃崇數(shù)姹犳渶楂樻晥鐜?/span>8.55%錛涜幏寰楀叏杈婃秱鍒跺鐨勯挋閽涚熆澶槼鐢墊睜鏈楂樻晥鐜?/span>12.34%錛涘埗澶囧嚭棣栭閽欓挍鐭塊噺瀛愮偣緇擄紝騫跺彂鐜板叾瀹ゆ俯涓嬬數(shù)瀛﹂噺瀛愬共娑夌幇璞★紱鍦?/span>Energy & Environmental Science錛?/span>Nature Communications錛?/span>Nano Letters錛?/span>Nano Energy錛?/span>Advanced Functional Materials絳夐珮姘村鉤鏈熷垔鍙戣〃瀛︽湳璁烘枃60澶氱瘒錛涚敵璇蜂腑鍥藉彂鏄庝笓鍒?/span>18欏癸紝宸叉巿鏉冪編鍥姐侀煩鍥姐?/span>PCT涓撳埄銆佷腑鍥界瓑鍙戞槑涓撳埄5欏廣傛媴浠?/span>Energy & Environmental Science, Advanced Energy Materials絳?/span>30澶氱瀛︽湳鏉傚織瀹＄ǹ浜猴紱鎷呬換Nano Convergence鏈熷垔錛?/span>Springer Nature鍑虹増紺撅級緙栧銆?/span>
鏉庤穬榫欏壇鏁欐巿涓婚〉:
https://ceo.nankai.edu.cn/szll/gdzbmqjyjsyjs/lyl.htm
鍘熸枃閾炬帴
https://doi.org/10.1021/acsami.1c05903