星空娱乐

浜屾璋愭尝锛圫HG锛夊張绉颁负鍊嶉鏁堝簲锛屾槸涓€绉嶆簮浜庢縺鍙戝満涓嬬殑鐢电鍦烘瀬鍖栭珮闃堕」鐨勯潪绾挎€у厜瀛﹁繃绋嬶紝鍏跺搷搴旈€氬父寰堝急锛岄渶瑕佷弗鑻涚殑鐩镐綅鍖归厤浠ュ強瓒冲鐨勪綔鐢ㄩ暱搴︽潵澧炲己闈炵嚎鎬ф晥搴旓紝杩欏鑷撮潪绾挎€у櫒浠朵綋绉緝澶э紝闅句互闆嗘垚銆傚崟灞備簩缁磋繃娓￠噾灞炵～鍖栫墿锛圱MDs锛夋嫢鏈夐潪甯搁珮鐨勪簩闃堕潪绾挎€ф瀬鍖栧紶閲忥紝浣垮叾鎴愪负灏忓瀷鍖栫墖涓婇鐜囪浆鎹㈠櫒浠躲€佸叏鍏変簰杩炲拰鍏夌數闆嗘垚鐨勭悊鎯抽€夋嫨銆傜劧鑰岋紝鍙楅檺浜庡崟灞俆MDs浜氱撼绫冲昂瀵稿帤搴︼紙~0.8 nm锛夛紝鍏朵簩娆¤皭娉㈣浆鎹㈡晥鐜囦粛鐒跺緢浣庛€傚洜姝わ紝浣跨敤寰撼缁撴瀯澧炲己鍗曞眰TMD涓厜涓庣墿璐ㄧ浉浜掍綔鐢紝鎻愰珮浜屾璋愭尝杞崲鏁堢巼锛屽鍏跺疄闄呭簲鐢ㄥ挨涓洪噸瑕併€備簩娆¤皭娉㈡柟鍚戞€у嚭灏勭殑瀹炵幇锛屽彲浠ユ彁楂樿繙鍦哄厜鏉熺殑鍒╃敤鐜囷紝浣垮叾鑳芥洿澶氬湴搴旂敤鍦ㄧ鍩鸿秴钖勫€嶉鍣ㄤ欢銆侀泦鎴愬厜瀛愬绛夐鍩熴€

杩戞棩锛屽寳浜悊宸ュぇ瀛﹀墠娌夸氦鍙夌瀛︾爺绌堕櫌榛勫厓鏁欐巿锛屼笌鍥藉绾崇背绉戝涓績鍒樻柊椋庣爺绌跺憳鍜屽寳浜ぇ瀛﹀紶闈掔爺绌跺憳鍦ˋCS Nano涓婂彂琛ㄤ簡纭呰‖搴曚笂鎮┖鍗曞眰WS₂瓒呭己浜屾璋愭尝瀹氬悜鍙戝皠鐨勭爺绌跺伐浣溿€傚洟闃熶娇鐢ㄧ传澶栧厜鍒诲拰鍙嶅簲绂诲瓙鍒昏殌鎶€鏈湪SiO₂/Si纭呰‖搴曚笂鍒跺鍑哄渾瀛旈樀鍒楋紝閫氳繃鏈烘瑙ｇ悊娉曡幏寰楀崟灞俉S₂骞跺皢鍏惰浆绉诲埌鍏锋湁瀛旈樀鍒楃殑纭呰‖搴曚笂锛屽湪杩欑鎮┖鐨刉S₂涓幏寰椾簡鏈€澶т笁涓暟閲忕骇鐨勪簩娆¤皭娉㈠寮(鍥1)銆

鍥1. 鍦ㄥ甫鍦嗗瓟闃靛垪鐨勭琛簳涓婏紝瀹炵幇浜嗗崟灞俉S₂浜屾璋愭尝鐨勫寮

涓洪獙璇佽鏂规硶鐨勫彲闈犳€э紝浣滆€呴€氳繃SHG闈㈡壂鎻忥紝鍙戠幇鍦ㄥ瓟娲炰綅缃鏍峰搧鐨勪簩娆¤皭娉㈡櫘閬嶈幏寰楀寮猴紝濡傚浘2鎵€绀恒€傝鍒嗚鲸缁撴灉琛ㄦ槑瀛旀礊鏍峰搧澶勫嚭鐜颁簡鏄庢樉鐨勮壊鏁ｆā寮忥紝杩欒〃鏄庡瓟娲炰笌瑕嗙洊鐨勫崟灞俉S₂褰㈡垚浜咶abry-P茅rot寰厰缁撴瀯銆傝繘涓€姝ラ€氳繃鏁板€兼ā鎷燂紝鍙戠幇鐩歌緝浜庢棤缁撴瀯鎯呭喌锛屽湪寰厰缁撴瀯瀹炵幇浜嗙害272鍊嶇殑鐢靛満澧炲己銆

鍥2. FP寰厰涓數纾佸満瀵逛簩娆¤皭娉㈠寮虹殑璐＄尞

鍗曞眰WS₂鍦ㄥ井鑵斾綅缃湁濡傛宸ㄥぇ鐨勪簩娆¤皭娉㈠寮鸿繕涓庢縺瀛愭€佸瘑搴﹀彉鍖栨湁鍏炽€傞€氳繃鎷熷悎鍗曞眰WS₂鍦ㄥ井鑵斾笂鍜屼笉鍦ㄥ井鑵斾笂鐨勫惛鏀跺厜璋憋紝浣滆€呭彂鐜版縺瀛愭€佸瘑搴︾殑澧炲姞瀵筍HG澧炲己鐨勮础鐚害涓3.1鍊嶏紝濡傚浘3鎵€绀恒€

鍥3. 婵€瀛愭€佸瘑搴﹀SHG澧炲己鐨勮础鐚

閫氳繃鍙樻縺鍙戞尝闀匡紝鍙戠幇澧炲己鍥犲瓙鍦ㄦ縺鍙戞尝闀夸负820 nm鏃讹紝鑾峰緱浜1580鍊嶇殑鏈€澶у寮猴紝濡傚浘4鎵€绀恒€傚浘4a, 4b娉㈤暱瀵瑰簲寰厰鐨勬ā寮忎綅缃€

鍥4. 鍗曞眰WS₂鍦ㄤ笉鍚屾尝闀挎縺鍙戜笅锛 SHG澧炲己鍥犲瓙鐨勫彉鍖栬秼鍔

閫氳繃杩滃満鎴愬儚锛屼綔鑰呭彂鐜扮敱浜庝笌FP寰厰鐨勫叡鎸€﹀悎锛學S₂鍦ㄥ井鑵斾笂鐨勮繙鍦哄彂鏁ｈ浠呬负5掳锛岃〃鏄庡井鑵旂粨鏋勫彲瀹炵幇浜屾璋愭尝鍑哄皠鏂瑰悜鎬х殑璋冩帶锛屽鍥5鎵€绀恒€

鍥5. 浜屾璋愭尝鏂瑰悜鎬у彂灏

鏈伐浣滃埄鐢ㄦ偓绌虹殑WS₂鍗曞眰锛岃瘉鏄庝簡SHG鍙戝皠鐨勫法澶у寮哄拰浣庡彂鏁,閫氳繃瑙掑垎杈ㄥ厜璋便€佹暟鍊兼ā鎷熷拰鍚告敹鍏夎氨鍒嗘瀽锛岃瘉瀹濻HG澧炲己鐨勬満鍒舵簮浜嶧-P寰厰璇卞鐢靛満澧炲己鍜屾縺瀛愭洿寮虹殑鎸崱寮哄害銆傛澶栵紝鑾峰緱浜嗕簩娆¤皭娉㈠彂灏勭殑浣庡彂鏁ｈ锛垀5掳锛夛紝杩欏綊鍥犱簬 F-P 寰厰鐨勫叡鎸€傛湰宸ヤ綔鐨勭爺绌剁粨鏋滆〃鏄庯紝閫氳繃浼樺寲浜岀淮鍗婂浣撶殑鍒跺宸ヨ壓锛屽彲浠ュ疄鐜板叿鏈夊畾鍚戞€т簩娆¤皭娉㈠寮虹壒鎬э紝涓虹墖涓婅秴钖勫€嶉鍜岄泦鎴愬厜瀛愬寮€杈熶簡閬撹矾銆傜浉鍏虫垚鏋滀互鈥淕iant Enhancement and Directional Second Harmonic Emission from Monolayer WS₂ on Silicon Substrate via Fabry-P茅rot Micro-Cavity鈥濅负棰樺彂琛ㄥ湪椤剁骇鍥介檯鏈熷垔ACS Nano涓(doi.org/10.1021/acsnano.2c03033,褰卞搷鍥犲瓙:18.027), 榛勫厓鏁欐巿涓庡浗瀹剁撼绫崇瀛︿腑蹇冨垬鏂伴鐮旂┒鍛樸€佸寳浜ぇ瀛﹀紶闈掔爺绌跺憳涓哄叡鍚岄€氳浣滆€呫€傝宸ヤ綔寰楀埌浜嗗浗瀹惰嚜鐒剁瀛﹀熀閲戝, 鍖椾含甯傝嚜鐒剁瀛﹀熀閲, 鍥藉閲嶇偣鐮斿彂璁″垝, 涓浗绉戝闄㈡垬鐣ラ噸鐐圭爺绌惰鍒掑拰閲嶅簡甯傛澃鍑洪潚骞村熀閲戠瓑椤圭洰鐨勮祫鍔┿€

鍘熸枃閾炬帴锛歨ttps://pubs.acs.org/doi/full/10.1021/acsnano.2c03033

闄勪綔鑰呬粙缁嶏細

榛勫厓锛屽寳浜悊宸ュぇ瀛﹀墠娌夸氦鍙夌瀛︾爺绌堕櫌鏁欐巿锛屽崥澹敓瀵煎笀銆備富瑕佺爺绌堕鍩熼泦涓湪浜岀淮鏉愭枡鐨勫埗澶囥€佽〃寰併€佸櫒浠跺姞宸ュ拰鐗╂€ф祴閲/璋冩帶绛夋柟鍚戙€傚湪Nature Physics銆丯ature Communications銆丳hysical Review Letters銆丄CS Nano绛夊叡璁″彂琛⊿CI璁烘枃80浣欑瘒锛屽叾涓涓€浣滆€咃紙鍚叡涓€锛夊強閫氳浣滆€呮枃绔40浣欑瘒锛岃鏂囨€诲紩鐢4500浣欐銆備富鎸佸浗瀹堕噸鐐圭爺鍙戣鍒掞紙闈掑勾椤圭洰锛夛紝涓绘寔鍥藉鍩洪噾濮斾紭绉€闈掑勾鍩洪噾鍜岄潰涓婇」鐩紝閲嶅簡甯傛澃鍑洪潚骞村熀閲戦」鐩€2019骞村叆閫変腑绉戦櫌闈掍績浼氫細鍛橈紝2020骞磋幏涓浗绉戝崗鈥滀腑鍥藉崄澶х鎶€鏂伴攼浜虹墿鈥濊崳瑾夌О鍙凤紝2021骞磋幏涓浗鍙戞槑鍗忎細鍙戞槑鍒涗笟濂栧垱鏂板浜岀瓑濂(鎺掑悕绗竴)锛2022骞磋幏涓浗鍙戞槑鍗忎細鍒涗笟濂栨垚鏋滃浜岀瓑濂栵紙鎺掑悕绗簩锛夈€傛媴浠籔hysical Review Letters锛孨ature Communications锛孉dvanced Functional Materials锛孉CS Nano, Nano Letters锛屻€婄墿鐞嗗鎶ャ€嬬瓑鍥藉唴澶栫煡鍚嶆湡鍒婂绋夸汉锛涙媴浠汇€婄墿鐞嗐€嬨€奀hinese Physics Letters銆嬨€奍nfoMat銆嬨€奙aterials銆嬫湡鍒婇潚骞寸紪濮斻€