Í»ÆÆÐÔ×êÑУ¡Ð±¦GGÑîÐ÷ÓÂ/ÕŽ¨»ª½ÌÊÚÍŶÓÔÚNature°ä·¢×îгɾͣ¡

°ä²¼¹¦·ò£º2025-03-06Ͷ¸å£ºÕ½Üç ²¿ÃÅ£º»úµç¹¤³ÌÓë×Ô¶¯»¯Ñ§Ôº ä¯ÀÀ´ÎÊý£º

3ÔÂ5ÈÕ£¬Ð±¦GGÐÂÐÍÏÔʾ¼¼Êõ¼°ÀûÓü¯³É½ÌÓý²¿³Áµã³¢ÊÔÊÒÑîÐ÷Ó½ÌÊÚ¡¢Õލ»ª½ÌÊÚÍŶӽáºÏ¼ªÁÖ´óѧÕÅ¼ÑÆì½ÌÊÚÍŶÓÒÔ¡°Homogeneous ZnSeTeS Quantum Dots for Efficient and Stable Pure Blue LEDs¡±ÎªÌ⣬ÔÚ¹ú¼Ê¶¥¼¶Ñ§ÊõÆÚ¿¯¡¶Nature¡·Éϰ䷢¹ØÓÚ»·±£ÐÍÀ¶¹âÁ¿×ӵ㷢¹â¶þ¼«¹Ü£¨QLED£©µÄÍ»ÆÆÐÔ×êÑÐÎÄÕ  ¡£ÂÛÎÄÁ´½Ó£ºhttps://www.nature.com/articles/s41586-025-08645-4

07506B72FD29AC76E6FECEEB72A_1B4710E8_1DB9F

ÑîÐ÷Ó½ÌÊÚ×Ô2015ÄêÔÚб¦GG×齨ÄÉÃ×¹âµç×ÊÁÏÓëÆ÷¼þÍŶÓÒÔÀ´£¬¾­¹ý½ü10ÄêµÄ³ÖÐøÆ´²«£¬ÍŶӲ»Ðݹ¥¿ËÁìÓòÄÚ¿ÆÑ§¼¼ÊõÄÑÌ⣬¸ÃÏî³É¾ÍÒ²ÊÇÑîÐ÷Ó½ÌÊÚÍŶӼÌ2023ºÍ2024ÄêÔÚ¡¶Nature¡·ÉÏ×÷ΪͨѶ×÷Õß°ä·¢ÔÓ»¯°ëµ¼ÌåLEDÁìÓò×êÑÐÂÛÎÄÒÔÀ´£¨Nature 2023£¬622£¬ 493-498 £» Nature 2024£¬631£¬73-79£©£¬ÔÚ¸ÃÁìÓò»ñµÃµÄÓÖÒ»³Á´ó×êÑнøÕ¹  ¡£

б¦GG»úµç¹¤³ÌÓë×Ô¶¯»¯Ñ§ÔºÒÀ¸½»úе¹¤³Ì¹ú¶ÈÒ»Á÷ѧ¿Æ£¬³Ö¾ÃÒÔÀ´ÃæÏòÊÀ½ç¿Æ¼¼Ç°ÑØ·¢Õ¹×êÑÐ  ¡£Õâ´Î×êÑгɾÍÊÇÓÉб¦GGÓ뼪ÁÖ´óѧ£¬TCL¼¯ÍŹ¤Òµ×êÑÐÔºµÈµ¥Ôª½áºÏ¹¥¹Ø¡¢ºÏ×÷ʵÏÖ  ¡£ÆäÖУ¬Ð±¦GGΪµÚһʵÏÖµ¥Ôª£¬Ð±¦GGÑîÐ÷Ó½ÌÊÚ£¬Õލ»ª½ÌÊںͼªÁÖ´óѧÕÅ¼ÑÆì½ÌÊÚΪÂÛÎÄͨѶ×÷Õߣ¬ÑîÐ÷Ó½ÌÊÚÁìµ¼µÄ»ú×ÔѧԺ²©Ê¿ºóÎâٻٻ£¨Ð±¦GG˶ʿ¼°²©Ê¿±ÏÒµ£©ºÍ²Ü­[£¨Ð±¦GG˶ʿ±ÏÒµ£©ÎªÂÛÎĹ²Í¬µÚÒ»×÷Õߣ¬Ð±¦GGÓàÎĿɡ¢Íõʤ²©Ê¿£¬TCL¼¯ÍŹ¤Òµ×êÑÐÔººîÎľü²©Ê¿¡¢Â«×ÓÕܲ©Ê¿¡¢²ÜεȻ²©Ê¿£¬¼ªÁÖ´óѧÕÅÏþÓî½ÌÊÚ£¬¸´µ©´óѧÑîÓ­¹ú½ÌÊÚ£¬°Ä´óÀûÑÇ¿ÆÍ¢´óѧ¼Ð¹ú»ª½ÌÊÚΪÂÛÎĺÏ×÷ÊðÃû×÷Õß  ¡£×êÑгɾ͵õ½Á˹ú¶ÈÌìÈ»»ù½ðί¡¢ÉϺ£ÊпÆÎ¯ºÍÉϺ£ÊнÌίµÈ×êÑлú¹¹µÄÏîÄ¿ÔÞÖú  ¡£

Á¿×ÓµãÏÔʾÒÔÆä¸üΪÓÅÁ¼µÄÉ«²Ê²û·¢Á¦£¬ÒѳÉΪÒýÁìÐÂÐÍÏÔʾ²úÒµµü´úÉý¼¶µÄ¹Ø¼üÇý¶¯Á¦Ö®Ò»  ¡£½üÆÚ£¬¿ÆÑ§¼ÒÃǶÔÓþΪÖÕ¼«Á¿×ÓµãÏÔʾ¼¼ÊõµÄµçÖ·¢¹âÁ¿×ӵ㷢¹â¶þ¼«¹ÜµÄ×êÑÐÓëË÷Çó³ÖÐø·¢Á¦£¬»ñµÃÁËÁîÈËÖõÖ÷ÕÅÍ»ÆÆÐÔ½øÕ¹  ¡£Ä¿Ç°£¬ºì¡¢Â̹âQLED»úÄÜÒÑ¿ÉÄÜÓëóÒ×ÓлúLED £¨OLED£©ÏàæÇÃÀ  ¡£¶øÏà±È֮ϣ¬ÓÉÓÚ¸ü¸ßµÄ¹¤×÷µçѹ¼°±ØÒª¿Ë·þ¸ü´óµÄ¿ÕѨעÈëÊÆÀݵÈÔ­Òò£¬µ¼ÖÂÀ¶¹âQLEDÆ÷¼þ»úÄܽøÕ¹Âäºó£¬ÓÈÆäÊÇ»·¾³¶ØÄÀÐ͵ÄÎÞ³Á½ðÊôÆ÷¼þµÄ·¢Õ¹¸üΪ»ºÂý£¬ÑϳÁ¹ÊÕÏÁËQLEDÏÔʾ¼¼ÊõµÄóÒ×»¯¹ý³Ì  ¡£

ZnSeTeÁ¿×ӵ㱻ÊÓΪ»·±£ÐÍÀ¶¹âÁ¿×ÓµãµÄÃÎÏë֮ѡ£¬µ«Æä´æÔÚ»îÔ¾½ðÊôTe£¨Ten¡Ý2£©Ò×ÜöÝ͵ľ°Ïó£¬Óɴ˲úÉúµÄµÈµç×ÓÖÐÐÄÒýÆðÁ˽ϵÍÄÜÁ¿µÄβ²¿È±µã·¢É䣬ÑϳÁ½µµÍÁËÆä·¢¹âЧÄÜ¡¢É«´¿¶È¼°²»±äÐÔ  ¡£¸Ã×êÑнÒʾ£ºTeÏÈÇýÌ壨ÈçTOP-Te£©Ïà±Å×ÚSe£­ÀàËÆÎïµÄ¸ß·´Ó³»îÐÔµ¼ÖÂÁ˺ϽðÁ¿×ÓµãÖи»TeºÍƶTeÇøÓòµÄ²»¾ùÔÈÉ¢²¼£¬´Ó¶ø²úÉú´øÏ¶²î¾àÒýÆðµÄ¹âÆ×±ä¿í  ¡£Á¿×ӵ㸻TeÇøÓòµÄ¶Ñ¶â²ã´íÒ²½µµÍÁË·øÉ临ºÏºÍÁ¿×ӵ㾧¸ñ²»±ä  ¡£ÓÈÆä£¬ZnSeTeÁ¿×ÓµãÖÐÏàÁÚµÄTeÔ­×Ó»áÐγɵȵç×ÓÖÐÐÄ£¬²úÉú¶Ì³ÌÊÆ×÷ʹ¾¢ÒÔ²¶»ñ¿ÕѨ£¬²¢½øÒ»²½ÓÕµ¼Ðγɼ۴ø¶¥ÉÏ·½µÄÉî¿ÕѨ¾ÖÓò̬ÎüÒýµç×ÓÐγɼ¤×Ó£¬²úÉúÁ˽ϵÍÄÜÁ¿µÄβ²¿·¢É䣬ÒÔÖÁÁ¿×ÓµãµÄÉ«²Ê²û·¢ºÍ²»±äÐÔ±ä²î  ¡£

580F48E15ECEC0BB7757C69BE00_FD39C99A_687A8

Ϊ½â¾öÕâЩ¹Ø¼üÄÑÌ⣬×êÑÐÍŶÓÌá³öÁËÒ»ÖÖͨ¹ýµÈµç×Óµ÷¿ØÒÖÔ캬TeÁ¿×Óµã×é·Ö²»¾ùÔȵÄÕ½Êõ£¬Í¨¹ýÒýÈëÓµÓÐÊʵ±·´Ó³»îÐÔµÄÑÇÁ×ËáÈý±½õ¥£¨TPP-S£©£¬Ò»·½Ãæ¿ÉÄÜʹTPPƽºâÒõÀë×ӵķ´Ó³»îÐÔ£¬ÁíÒ»·½ÃæÎüµç×ÓÄÜÁ¦¸üÇ¿µÄS¿ÉÄÜ×ÌÈÅTeÖÜΧµÄ¿ÕѨ¾ÖÓò»¯²¢Ô¤·ÀTen¡Ý2µÈµç×ÓÖÐÐÄÐγÉ£¬³É¹¦Ô챸³ö¾ùÖÊ»¯µÄËÄÔªºÏ½ðÀ¶¹âZnSeTeSÁ¿×  ¡£Ïà±È´«Í³ZnSeTeÁ¿×ӵ㣬ZnSeTeSÁ¿×ÓµãÔÚÉ«´¿¶È¡¢¼¤×Ó·øÉ临ºÏºÍ½á¹¹²»±äÐԵȷ½ÃæÊµÏÖ´ó·ùÌáÉý  ¡ £»ùÓÚ¸ÃËÄÔªÁ¿×ӵ㹹½¨µÄÀ¶¹âQLEDÆ÷¼þÏÔʾ³ö24.7%µÄ±íÁ¿×ÓЧÄÜ£¬17 nmµÄ·¢¹â°ë·å¿íÒÔ¼°¿¿½ü3ÍòÓ×ʱµÄT50ÊÙÃü£¬Í»ÆÆÁËÎÞ³Á½ðÊôµÄ´¿À¶¹âQLED·¢¹âЧÄܺͲ»±äÐÔµÄмͼ  ¡£ÕâÒ»³ÁÒª×êÑнøÕ¹½«Íƶ¯QLEDÏÔʾ¼¼ÊõµÄ»·± £»¯¹ý³Ì  ¡£

3C925D775ED8F0BE457B0E703A9_53CC314B_5BD3C

ÑîÐ÷Ó½ÌÊÚÊÜÑûΪ¡¶Nature¡·ÔÓ־׫дÁËÌâΪ¡°It's time to shine for LEDs made using ecofriendly quantum dots¡± µÄResearch BriefingÎÄÕ£¨Nature,https://doi.org/10.1038/d41586-025-00640-z£©£¬¸ÃResearch BriefingºÍNature×êÑй¤×÷ͬÌìÉÏÏß  ¡£±»ÓþΪ¡°Á¿×ÓµãÒÕÊõ¼Ò¡±µÄº«¹ú³É¾ù¹Ý´óѧEunjoo Jang½ÌÊÚ£¨Ô­º«¹úÈýÐÇÏȽø¼¼Êõ×êÑÐÔº×êÑÐÔ±£©¶Ô¸ÃNature¹¤×÷µãÆÀ£º¡°ËùÑз¢µÄQLED»úÄÜÊǼ«¶ÈÒýÈËÖõÖ÷ÕÅ£¬Æä¸ßµÄЧÄܺͳ¤µÄÊÙÃüÒѳ¬¹ýÁËÏÈǰ±¨Â·µÄÆ÷¼þ»úÄÜ  ¡£¡±£¨Ô­ÎÄ£ºThe performance of the developed QLEDs is notable, with a high efficiency and a long lifetime that surpasses those of previously reported devices.£©¡¶Nature¡·ÀûÓÃÎïÀí¿ÆÑ§Ö÷±àKarl ZiemelisÒ²´ÍÓë¸Ã¹¤×÷¸ß¶ÈÆÀ¼Û£º¡°ÎÄÕµÄ÷ÈÁ¦ÔÚÓÚ×÷ÕßÃÇÑз¢ÁËÒ»ÖÖÒÖÔì×é·Ö²»¾ùÔȵÄÕ½ÊõÔ챸ÁË·ÇïÓÁ¿×ӵ㣬ʵÏÖÁËÓë×îºÃCd»ùÀ¶¹âLEDæÇÃÀµÄ¸ßЧÄÜ¡¢³¤ÃüÃüºÍ¹âÆ×´¿ÕýµÄÆ÷¼þ  ¡£¡±£¨Ô­ÎÄ£ºThe appeal of this paper is that the authors have developed a strategy for preparing Cd-free quantum dots that suppresses compositional heterogeneities, enabling devices with efficiencies, lifetimes and spectral purities that rival the best Cd-based blue LEDs.£©

3DE21A2BE429FC2BCF2C95C722B_EC1B9343_381E4

¡¾ÍøÕ¾µØÍ¼¡¿