2024Äê6ÔÂ12ÈÕ£¬Ð±¦GG»úµç¹¤³ÌÓë×Ô¶¯»¯Ñ§ÔºÐÂÏÔ½ÌÓý²¿³Áµã³¢ÊÔÊÒÑîÐ÷Ó½ÌÊÚ×êÑÐÍŶÓÓëºÏ×÷µ¥ÔªÍŶӹØÓÚ¡°²»±ä¸ÆîÑ¿ó°ËÃæÌåʵÏÖ¸ßЧºì¹âLED¡±×îÐÂ×êÑгɾͣ¬ÒÔFabrication of red-emitting perovskite LEDs by stabilizing their octahedral structureΪÌâÔÚ¹ú¼Ê¶¥¼âÆÚ¿¯NatureÉϰ䷢¡£ÂÛÎÄÁ´½Ó£ºhttps://www.nature.com/articles/s41586-024-07531-9

б¦GG»ú×ÔѧԺÒÀ¸½»úе¹¤³Ì¹ú¶ÈÒ»Á÷ѧ¿Æ½¨É裬³Ö¾ÃÒÔÀ´ÃæÏòÊÀ½ç¿Æ¼¼Ç°ÑØ·¢Õ¹×êÑС£¸Ã³É¾ÍÓÉб¦GG½áºÏ¼ªÁÖ´óѧ¡¢½£ÇÅ´óѧ¿¨ÎĵÏÐí³¢ÊÔÊҵȺÏ×÷ʵÏÖ£¬ÆäÖÐб¦GGΪµÚÒ»ÊðÃûµ¥Ôª£¬Ð±¦GGÑîÐ÷Ó½ÌÊÚΪÂÛÎÄͨѶ×÷Õߣ¬¼ªÁÖ´óѧµÄÍõÄþ½ÌÊںͽ£ÇÅ´óѧµÄNeil C. Greenham½ÌÊÚΪ¹²Í¬Í¨Ñ¶×÷Õߣ¬ÑîÐ÷Ó½ÌÊÚÁìµ¼µÄб¦GG2021¼¶²©Ê¿Éú¿×ÁîÃÄͬѧΪÎÄÕµÚÒ»×÷Õߣ¬Ð±¦GG»ú×ÔѧԺ·ë½Ü¡¢ÍõÔ¶Ö¾¡¢Áõ×Ó¬¼ªÁÖ´óѧÎïÀíѧԺÕÔ±ò¡¢¶½¨³¬£¬½£ÇÅ´óѧ¿¨ÎĵÏÐí³¢ÊÔÊÒSamuel D. Stranks½ÌÊÚ¡¢Richard H. Friend½ÌÊÚ¡¢ËïÓêçù²©Ê¿¡¢¼¾¿µìϲ©Ê¿¡¢´÷Áؽܲ©Ê¿¡¢Shabnum Maqbool²©Ê¿£¬Öйú¿ÆÑ§¼¼Êõ´óѧÀîÔÆ¹ú½ÌÊÚ£¬¸´µ©´óѧÑîÓ¹ú½ÌÊÚ£¬ÆÖÏî¿Æ¼¼´óѧWanhee LeeºÍChangsoon Cho½ÌÊÚΪÂÛÎĺÏ×÷ÊðÃû×÷Õß¡£

·¢¹â¶þ¼«¹Ü£¨LED£©ÊÇÐÂÐÍÏÔʾ¼¼ÊõµÄÖ÷Ìⲿ¼þ£¬¸üÊÇÐÂÒ»´úÐÅÏ¢¼¼Êõ²úÒµÖ®Êס£¸Æîѿ󷢹â¶þ¼«¹Ü£¨LED£©×÷Ϊ×îÐÂ¹ÄÆðµÄÏÔʾ¼¼Êõ£¬ÓµÓиßÉ«´¿¶È¡¢¹ãÉ«Óò¡¢¼Ó¹¤¹¤ÒÕµ¥Ò»¡¢µÍ³É±¾µÅ×ÅÊÆ£¬ÊǹúÄÚ±í¹âµçÆ÷¼þÁìÓòµÄ×êÑÐÈȵ㡣Ŀǰ£¬×÷ΪÏÔʾÈý»ùɫ֮һµÄÂÌ¹â¸ÆîÑ¿óLEDµÄ·¢Õ¹¼«¶ÈѸ¿ì£¬¶ø¹Ø¼üµÄºì¹â¸ÆîÑ¿óLED£¨620-650 nm£©»úÄÜÔâ·êÆ¿¾±£¬ÓÈÆäÔÚ¸ßÆ«Ñ¹Ï¹âÆ×²»±äÐԲÔìÔ¼Á˸ÆîÑ¿óLEDÔÚÈ«²ÊÏÔʾÁìÓòµÄÀûÓá£

´«Í³µÄµ¥¶ËÎü¸½ÐÍÅäλ·Ö×ÓÔÚµ÷½Úµâ»ù¸ÆîÑ¿ó·¢Éä¹âÆ×µÄͬʱ£¬²»³ÉÔ¤·ÀÏßÏÔÖø½µµÍÆäÓ«¹âÁ¿×Ó²úÂÊ¡£ÈôºÎʵÏÖ¸ßЧºì¹â·¢Éä¶ø²»¾ÍÒ可îÑ¿óµÄ¹âµçÐÔÖÊÒ»ÏòÊÇÔìÔ¼ºì¹â¸ÆîÑ¿óLED»úÄܵľ޴óÌôÕ½¡£¸Ã×êÑÐÍŶӴ´ÐÂÐÔµØÀûÓÃÒ»ÖÖ¹ÖÒìµÄË«¶ËÓлú·Ö×ÓÅäλ¡°Ãª¶¨¡±¸ÆîÑ¿ó±í±íÒÔ²»±äÆä°ËÃæÌå½á¹¹£¬³É¹¦¿Ë·þÁ˸ÆîÑ¿ó±¡Ä¤¹âÆ×µ÷½ÚºÍ¹âµçÐÔÖÊÖ®¼äµÄÏ໥ÔìÔ¼£¬´Ó¶øÍ»ÆÆÁ˸ÆîÑ¿óLEDºì¹â·¢ÉäµÄЧÄÜÆ¿¾±¡£µÃµ½µÄLEDÆ÷¼þÔÚ´¿ºì¹â620-650 nmÁìÓòÇø¼äÄÚ¹âÆ×Â½Ðø¿Éµ÷£¬ÆäÖÐ638 nm·¢ÉäµÄLEDÆ÷¼þ±íÁ¿×ÓЧÄÜ£¨EQE£©´ïµ½28.7%£¬´´ÔìÁ˺ì¹â¸ÆîÑ¿óLED·¢¹âЧÄܵÄмͼ¡£´Ë±í£¬Æ÷¼þÔڸߴï8 VµÄƫѹÏ£¬·øÉ临ºÏÖÐÐÄÏÕЩ²»²úÉú·ÖÀ룬²û·¢³ö¼«ÎªÓÅÒìµÄ¹âÆ×²»±äÐÔ¡£¸Ã×êÑгɾͽ«¼Ó¿ì¸ÆîÑ¿óLEDµÄÏÔʾ²úÒµ»¯¹ý³Ì¡£

¸Ã×êÑгɾÍÒ²ÊÇÑîÐ÷Ó½ÌÊÚ×êÑÐÍŶӼÌ2023ÄêÒÔ¹²Í¬Í¨Ñ¶×÷ÕßÔÚNatureÉϰ䷢¸ÆîÑ¿óLEDÁìÓò×êÑÐÂÛÎÄÒÔÀ´£¨https://www.nature.com/articles/s41586-023-06514-6£©£¬ÔÚ¸ÃÁìÓò»ñµÃµÄÓÖÒ»Àï³Ì±®Ê½µÄÍ»ÆÆÐÔ×êÑнøÕ¹¡£´Ë±í£¬ÑîÐ÷Ó½ÌÊÚ¿ÎÌâ×éµÄÁíÒ»Ïî¸ÆîÑ¿óÏÔʾÓйصijÁÒª¹¤×÷Ò²ÓÚͳһÌìÔÚ¹ú¼Ê¶¥¼¶¹âѧÆÚ¿¯¡¶Light:Science£¦Applications¡·£¨Nature×Ó¿¯£©ÉÏÔÚÏß°ä·¢£¨https://doi.org/10.1038/s41377-024-01500-7£©¡£

б¦GGʼÖÕÃæÏòÇ°ÑØ¿ÆÑ§ÎÊÌâºÍ¹Ø¼ü¼¼ÊõÁìÓò£¬Óµ£´´ÐÂʹÃü£¬ÇÀ×¥·¢Õ¹ÏÈ»ú£¬ÖÂÁ¦ÔÚÔʼ´´ÐÂÉÏ»ñµÃÐÂÍ»ÆÆ£¬ÓÂÁ¢³±Í·¡¢¹¥¼á¿ËÄÑ£¬²ú³öÁËÒ»ÅúÒýÁìÐԵġ°´Ó0µ½1¡±µÄÔ´´³É¾Í£¬ÔÚ¶à¸öÐÂÐ˹ؼü¼¼ÊõÁìÓòÐγÉÌØÉ«ÓÅÊÆ¡£×Ô2017ÄêÒÔÀ´ÔÚ¶¥¼â¿Æ¼¼ÆÚ¿¯ÉϳÖÐø·¢Á¦£¬ÒÑÔÚNature¡¢ScienceÉϰ䷢ÂÛÎÄ9ƪ£¬È«ÃæÌáÉý»ù´¡×êÑÓ×¢¹Ø¼üÖ÷Ìâ¼¼Êõ¹©¸øÄÜÁ¦£¬ÔÚ³ÁÒª¿Æ¼¼ÁìÓòʵÏÖÓâԽʽ·¢Õ¹¡£
