¿ËÈÕ£¬ÎÒУº£º£º£Ñó¿ÆÑ§Ñ§ÔºÎâÃ÷ŠÃ½ÌÊÚÍŶÓÓę̈Íå´óѧµÈ»ú¹¹ÏàÖú£¬ÔÚ¹ú¼Ê×ÅÃûÔÓÖ¾Angewandte Chemie International EditionÔÚÏß½ÒÏþÁËÌâΪ¡°Single-Crystal Red Phosphors and Their Core-Shell Structure for Improved Water-Resistance for Laser Diodes Applications¡±µÄÑо¿ÂÛÎÄ¡£¡£¡£
LED·¢¹âÆ÷¼þµÄÓ¦ÓÃÒѺÜÊÇÆÕ±é¡£¡£¡£ÀýÈ磬Mn4+¼¤»îµÄ·ú»¯Îïºìɫӫ¹â·Û¾ßÓз¢¹âЧÂʺʹ¿¶È¸ß£¬¿ÉÓëÀ¶¹âInGaNоƬÍêÉÆÆ¥ÅäµÈÓŵ㣬ÊÇÉÌÒµ»¯¸ßÏÔÉ«°×¹âLEDÆ÷¼þÖ÷Òª»ù´¡ÖÊÁÏÖ®Ò»¡£¡£¡£µ«ÕâЩLEDÆ÷¼þµÄÄÍË®ÐԽϲÔÚº£ÑóÕÕÏÔ×Åʾ¡¢¡¢º£²úÑøÖ³²¶ÀÌ¡¢¡¢º£Ñóº½ÐÐָʾºÍº£Ñó¿±Ì½µÈ¸ßʪ¶ÈÇéÐÎϵÄÓ¦ÓÃÊܵ½ºÜ´óÏÞÖÆ¡£¡£¡£

ͼ1 µ¥¾§ÖƱ¸¼°Ð§¹û
£¨A£©µ¥¾§ÖƱ¸Ê¾Òâͼ£»£¨B£©¡¢¡¢£¨C£©ºÍ£¨D£©ÎªÈÜÒºËæÊ±¼äµÄת±ä£»µ×ͼΪÉú³¤Ëù»ñµÃµÄCTFMµ¥¾§¡£¡£¡£
Ϊ½â¾öÕâÒ»ÎÊÌ⣬Ñо¿ÍŶÓÊ×ÏȽÓÄÉÇáÓ¯µÄÈܼÁ½»Á÷·¨ÔÚÊÒÎÂÏÂÖÆ±¸ÁËCs2TiF6:Mn4+£¨CTFM£©µ¥¾§£¨Í¼1£©¡£¡£¡£ÓëÏìÓ¦µÄ¶à¾§·ÛÌåÖÊÁÏÏà±È£¬ËùÖÆ±¸µÄ¸ßÖÊÁ¿¡¢¡¢´ó³ß´ç£¨11.0¡Á3.5¡Á1.5 mm£©CTFMµ¥¾§µÄ·¢¹âÇ¿¶ÈºÍÁ¿×ÓЧÂʾù»ñµÃÁË´ó·ùÌáÉý£¬ÊÇÏìÓ¦¶à¾§µÄ3±¶ÒÔÉÏ£¬²¢ÇÒCTFMµ¥¾§µÄ·ÀË®ÎȹÌÐÔÔ¶ÓÅÓÚÏìÓ¦µÄ¶à¾§ÖÊÁÏ£¨Í¼2ºÍͼ3£©¡£¡£¡£

ͼ2 CTFMµ¥¾§ÓëÏìÓ¦¶à¾§·ÛÄ©µÄÐÔÄܽÏÁ¿
£¨A£©·¢Éä¹âÆ×£¬£¨B£©ÄÚ¡¢¡¢ÍâÁ¿×ÓЧÂÊ£¬¼°Æä£¨C£©ÔÚ¸ßθßʪ£¨85¡æ£¬85%ʪ¶È£©Ìõ¼þÏÂÀÏ»¯²î±ðʱ¼äºóµÄÕÕÆ¬£¬£¨D£©CTFMµ¥¾§¡¢¡¢¶à¾§·ÛÄ©ÒÔ¼°YAG:Ceµ¥¾§ÔÚ¸ßθßʪÌõ¼þÏÂÀÏ»¯²î±ðʱ¼äºóÏà¶Ô·¢¹âÇ¿¶ÈµÄת±äÇ÷ÊÆÍ¼¡£¡£¡£

ͼ3 ²î±ð½þÅÝʱ¼ä¶Ô¸÷¾§Ìå·¢¹âÐÔÄܵÄÓ°Ïì
ͼ£¨A£©ÊDzî±ð½þÅÝʱ¼äºóCTFMºÍCTFM@CTF¾§ÌåµÄÕÕÆ¬£»£¨B£©µ½£¨E£©»®·ÖΪCTFM¡¢¡¢CTFM@CTF1¡¢¡¢CTFM@CTF2ºÍCTFM@CTF3Ëæ½þÅÝʱ¼äµÄÏà¶Ô·¢¹âÇ¿¶Èת±ä£¬ÆäÖУ¬Í¼C¡¢¡¢DºÍEÖеÄͼÀýΪ¾ßÓвî±ð¿Ç²ãºñ¶ÈµÄCTFM@CTF¾§Ì壨CTF1 < ctf2 < ctf3£©¡£¡£¡£
Ϊ½øÒ»²½Ìá¸ßÄÍË®ÐÔÄÜ£¬Ñо¿ÍŶÓʹÓÃÍâÑÓ·¨ÔÚCTFMµ¥¾§Íâò°ü¸²ÁËÒ»²ãͬÖʵÄCTF¿Ç²ã£¬ÀÖ³ÉÖÆ±¸Á˺˿ǽṹµÄCTFM@CTF¾§ÌåÖÊÁÏ¡£¡£¡£°ü¸²ºó·¢¹âÐÔÄÜ»ù±¾¼á³ÖÎȹ̣¬ÔÚË®ÖнþÅÝ420 minºó£¬CTFM@CTFµÄ·¢¹âÇ¿¶ÈÈÔΪ³õʼǿ¶ÈµÄ82.6%£¬¶øÎ´°ü¸²µÄCTFM½öΪ8.3%¡£¡£¡£ÔÚÄÍË®ÐÔ²âÊÔÖУ¬CTFM@CTFµÄ·¢¹âÇ¿¶ÈÏÔʾ³öÁËÒ»ÖÖÆæÒìµÄÈý²½Ê½ÑÝ»¯¼ÍÂÉ£¬ÕâÓëMn4+¼¤»îµÄ·ú»¯Îï¶à¾§ÖÊÁÏÓкܴóÇø±ð£¨Í¼3£©¡£¡£¡£

ͼ4 Æ÷¼þ·â×°¼°µçÖ·¢¹â¹âÆ×
CTFM@CTFºìÉ«µ¥¾§ºÍYAG:Ce»ÆÉ«µ¥¾§µÄÆ÷¼þ·âװʾÒâͼ£»£¨B£©ºÍ£¨C£©»®·ÖΪ·â×°Æ÷¼þLEDºÍLDµÄµçÖ·¢¹â¹âÆ×¡£¡£¡£
×îºó£¬Ë¼Á¿µ½CTFM@CTF¾§ÌåµÄ¸ß·¢¹âЧÂÊ¡¢¡¢¸ßÎȹÌÐԺ͸ß͸¹âÂʵÈÓŵ㣬×÷Õß»®·Ö½«CTFM@CTFºìÉ«¾§ÌåºÍYAG:Ce»ÆÉ«¾§ÌåÓëInGaNÀ¶¹âоƬºÍÀ¶É«¼¤¹â¹âÔ´ÏàÁ¬Ïµ£¬Àֳɷâ×°»ñµÃÁËÈ«ÎÞ»ú¡¢¡¢¸ßÏÔÉ«¡¢¡¢Å¯°×¹âÈ«¹Ì̬LEDÆ÷¼þ£¨CCT = 3155 K£©ºÍLDÆ÷¼þ£¨CCT = 3195 K£©¡£¡£¡£¸ÃÊÂÇéΪLED/LDÓøßÄÍË®ÐÔ·ú»¯ÎïºìÉ«·¢¹âÖÊÁϵÄÖÆ±¸ÌṩÁËÒ»ÖÖÐÂÕ½ÂÔ£¨Í¼4£©¡£¡£¡£
ÉÏÊöЧ¹ûÊܵ½¹ú¼Ò×ÔÈ»¿ÆÑ§»ù½ðί-ÔÆÄÏÊ¡ÈËÃñÕþ¸®ÁªºÏ»ù½ðÖØµãÖ§³ÖÏîÄ¿£¨No. U1702254£©ºÍ¹ú¼Ò×ÔÈ»¿ÆÑ§»ù½ðίÇàÄê¿ÆÑ§»ù½ð£¨No.51802359£©ÏîÄ¿µÈµÄÖ§³Ö¡£¡£¡£ÎÒУº£º£º£Ñó¿ÆÑ§Ñ§ÔºÖܽ¨°î²©Ê¿ºóΪ¸ÃÂÛÎĵÚÒ»×÷Õߣ¬ÎâÃ÷ŠÃ½ÌÊÚÓę̈Íå´óѧÁõÈçìä½ÌÊÚΪÅäºÏͨѶ×÷Õß¡£¡£¡£
ÂÛÎÄÁ´½Ó£º£º£ºhttps://onlinelibrary.wiley.com/doi/10.1002/anie.202011022