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caixian

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±¾ÎÄÒÔÒ¿µÄÂÈÇŶþ¾ÛÌå(dfppy)2Ir(¦Ì-Cl2)Ir(dfppy)2ÔÚ¼îÐÔÌõ¼þϺÍÒÒõ£±ûͪ·´Ó¦ºÏ³É³ö¸ßЧÁ×¹â²ÄÁ϶þ[2-(2,4-¶þ·ú±½»ù)ßÁà¤-C2,N'](ÒÒõ£±ûͪ)ºÏÒ¿(III) Ir(dfppy)2(acac)¡£Í¨¹ýºË´Å¹²ÕñÆ×£¨1H NMR¡¢13C NMR£©¡¢ºìÍâ¹âÆ×ºÍµ¥¾§XÉäÏßÑÜÉäµÈ±íÕ÷ÊÖ¶ÎÈ·¶¨ÁË·Ö×ӽṹ£¬ÓøßЧҺÏàÉ«Æ×·¨£¨HPLC£©²âÊÔÁË´¿¶È£¬ÀûÓÃ×ÏÍâ-¿É¼ûÎüÊÕ¹âÆ×ºÍ¹âÖ·¢¹â¹âÆ×¶ÔÆä¹âÎïÀíÐÔÄܽøÐÐÁ˲âÊÔ¡£½á¹û±íÃ÷£ºIr(dfppy)2(acac)ΪµçÖÐÐÔ°ËÃæÌåÅäºÏÎIr-O¼üµÄƽ¾ù³¤¶ÈΪ0.2160(14) nm£¬¶øIr-C¼üµÄƽ¾ù³¤¶È0.1998(11) nm£¬Ir-N¼üµÄƽ¾ù³¤¶ÈΪ0.2030(15) nm£¬ÔÚ484 nm´¦³öÏÖÁ˽ÏÇ¿µÄÀ¶¹â·¢É䣬ÆäºÏ³É²úÂÊ´óÓÚ90%£¬´¿¶ÈΪ99.70%£¬¸Ã·½·¨ÊÊÓÚIr(dfppy)2(acac)µÄÅúÁ¿ÖƱ¸¡£
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caixian: ½ð±Ò+30, ·­ÒëEPI+1 2015-07-28 13:56:49
In this paper, we prepared the compond [2-(2,4-difluorobenzene)pyridine-C2,N'](acetylacetone)Ir(III) Ir(dfppy)2(acac) by reaction of (dfppy)2Ir(¦Ì-Cl2)Ir(dfppy)2 and acetylacetone, using one procedure under alkaline condition. This compomnd is a kind of high-performance phosphorescent material. Molecular structure of the product was confirmed by 1H NMR,13C NMR,IR and single crystal X-ray diffraction. And we investigate the photophysical properties using UV-vis and PL. We get the conclusion that Ir(dfppy)2(acac) is octahedral coordination compound with electric neutrality, and the average bond lengths are  Ir-O 0.2160(14) nm, Ir-C 0.1998(11) nm, Ir-N 0.2030(15) nm, also we found that strong blue light excited at 484 nm. The yield was 90% and purity was 99.70%. The reaction is favorable for mass product of compond Ir(dfppy)2(acac).
2Â¥2015-07-01 12:59:41
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