±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 458  |  »Ø¸´: 7
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

q279064210

Í­³æ (СÓÐÃûÆø)

[½»Á÷] ÄÄλ¸ßÊÖ°ïÎÒ¸ÄÏÂÕªÒªµÄ·­Òë

Õª Òª   Éè¼Æ²¢ºÏ³ÉÁËÒ»ÖÖÐÂÐ͵嬶þ±½°·»ùÍŵÄÂÝÜÌ»¯ºÏÎï2£¬7-Ë«¶þ±½°·-ÂÝ»·-[ÜÌ-7,9¡¯-±½²¢ÜÌ](DDSF), ²¢Í¨¹ýÁË1HNMR¡¢MS¡¢IR¡¢ÔªËØ·ÖÎöͼÆ×¼ìÑ飬ÿ²½·´Ó¦µÄ²úÂʾùÔÚ70%ÒÔÉÏ¡£ÀûÓÃ×ÏÍâ¿É¼ûÎüÊÕ¹âÆ×¡¢Ó«¹â¹âÆ×ºÍÑ­»··ü°²·¨µÈÑо¿ÁËÆäHOMOÄܼ¶¡¢LUMOÄܼ¶¼°·¢¹âÐÔÄÜ¡£DDSFÔÚÕý¼ºÍéÖеÄ×ÏÍâ¿É¼ûÎüÊÕ¹âÆ×µÄÈý¸öÎüÊÕ·åΪ293nm¡¢339 nm¡¢381nm£¬ÔÚ¶þÂȼ×ÍéÖÐΪ294nm¡¢347 nm¡¢385nm£¬ÎüÊÕ´ø±ßΪ417nm£¬¼ÆËãÄܼ¶²îΪ2.97eV¡£DDSFÔÚ¼«ÐÔ²»Í¬µÄÈܼÁÖеÄÓ«¹â·¢Éä¹âÆ×´æÔڽϴóµÄ²îÒ죬ÔڷǼ«ÐÔÈܼÁÖеķ¢É䲨³¤Îª402nm,±íÏÖ³öÁ¼ºÃµÄ·¢À¶¹âµÄÌØÐÔ£¬¶øÔÚ¼«ÐԽϴóµÄÈܼÁÖеķ¢É䲨³¤Îª504nm,±íÏÖ³ö·¢Â̹âµÄÐÔÄÜ¡£Í¨¹ýÑ­»··ü°²·¨²âµÃÆäÑõ»¯·åµçλΪ0.77V£¬ÍÆËã³öDDSFµÄHOMOÄܼ¶Îª-5.10eV,LUMOÄܼ¶Îª-2.13eV¡£
Abstract  2,7-di-diphenylamine-spiro[fiuorene -7,9¡¯-benzofluorene](DDSF) was successfully synthesized .Its structure was determined by 1HNMR¡¢MS¡¢IR and Elemental Analysis.Yield of each reaction was more than 70%.Its HOMO,LUMO,and luminescence characteristices were studied by UV-Vis absorption spectra,cyclic voltammetry  method and fluorescence spectra. The absorption spectrum of DDSF in dilute n-hexane with an absorption peak at 293nm¡¢339nm¡¢381nm,compare with in dilute dichloromethane is 294nm¡¢347nm¡¢385nm,by the edge of UV absorption 417nm,we can calculate energy gap of DDSF is 2.97eV. In different polar solvents, the fluorescence emission spectra of DDSF has a great difference ; the emission wavelength is 402nm in the non-polar solvents, showing a good blue light emitting properties, and the emission wavelength is 504nm in the larger polar solvents, showing the green performance.By cyclic voltammetry and the gap we calculate the HOMO energy and LUMO energy of DDSF are -5.10V and -2.13V,respectively.

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

q279064210

Í­³æ (СÓÐÃûÆø)

Ö»ÒªÌô³ö벡¾Í¸ø½ð±Ò
2Â¥2010-03-30 15:25:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liunynh

½ð³æ (ÖøÃûдÊÖ)

Ñý¹Ö

°ïÄã¶¥Æð°É
½áʶ×ö·À¸¯µÄÅóÓÑ
3Â¥2010-03-30 22:10:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

q279064210

Í­³æ (СÓÐÃûÆø)

eeeeeeeeeeee
4Â¥2010-03-31 09:09:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jysgg1015

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

q279064210(½ð±Ò+2): 2010-03-31 10:31
¸øÄã¸öÒâ¼û£¬Äã¿ÉÒÔÕÒ¼¸¸öÓ¢ÎÄÎÄÏ׿´Ï£¬È»ºóÌ×ÓÃËûÃǵϰ£¬ÎÒ¾õµÃÄãµÄ·­Òë±È½ÏÖйú»°£¬Ã»Óг°Ð¦µÄÒâ˼¡£µ±È»ÎÒдµÄÓ¢ÎĸüÀã¬Ôø±à¼­¸øÎÒд¹ýÕâÑùÒ»¾ä»°£ºrather poorly written.
Äжùµ±×ÔÇ¿£¡£¡£¡
5Â¥2010-03-31 09:11:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

q279064210

Í­³æ (СÓÐÃûÆø)

ллָµã£¡
6Â¥2010-03-31 10:31:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wendyyang11

½ð³æ (ÕýʽдÊÖ)

µÄÈ·ºÜÖÐÎÄʽµÄÓ¢ÓÕÒ¸öͬÀàÐ͵ÄÎÄÏ׿´Ò»Ï£¬È»ºóÔÙдӦ¸Ã»áºÃºÜ¶à,Ï£ÍûÄã³É¹¦×£¸£O(¡É_¡É)O~
Éú»î£¿£¿£¿£¿£¡£¡£¡£¡£¿£¿£¿£¿£¿
7Â¥2010-03-31 13:14:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

suntanley

ľ³æ (ÕýʽдÊÖ)

һЩרҵ´Ê»ãÄã¿ÉÒÔÉÏ ´Ê¶¼ ÉÏ¿´¿´http://www.dictall.com/ ËûÄÇ»¹ÓÐÀý¾ä ºÜºÃÓõÄ
8Â¥2010-04-01 13:52:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ѧԱRT9KxD µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸°²»Õij211 0703»¯Ñ§×Ü·Ö339Çóµ÷¼Á +3 Íí·ç²»Íí 2026-04-04 3/150 2026-04-04 09:30 by JourneyLucky
[¿¼ÑÐ] Çó²ÄÁϵ÷¼Á£¬Ò»Ö¾Ô¸Ö£ÖÝ´óѧ289·Ö +15 ˶ÐǸ° 2026-04-03 15/750 2026-04-04 01:01 by userper
[¿¼ÑÐ] 343Çóµ÷¼Á +8 °®î¿°í 2026-03-29 8/400 2026-04-03 22:19 by –¹Æ?
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì339Çóµ÷¼Á +12 hyz0119 2026-03-31 13/650 2026-04-03 18:33 by lsÁõ˧
[¿¼ÑÐ] 08¹¤¿Æ275·ÖÇóµ÷¼Á +14 AaAa7420 2026-03-31 14/700 2026-04-03 11:13 by cocolv
[¿¼ÑÐ] 316Çóµ÷¼Á +14 ÖÛ×Ô¹£ 2026-04-01 18/900 2026-04-03 10:28 by linyelide
[¿¼ÑÐ] ר˶ 351 086100 Ò²ÊÇ¿¼µÄ²Ä¿Æ»ù ±¾¿ÆÒ²ÊDzÄÁÏ +8 202451007219 2026-04-02 8/400 2026-04-03 09:50 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸aÇø211£¬085601-307·ÖÇóµ÷¼Á +13 µ³¼ÎºÀ 2026-03-31 26/1300 2026-04-03 08:33 by 495374996
[¿¼ÑÐ] 302Çóµ÷¼ÁÒ»Ö¾Ô¸»ªÖÐʦ·¶´óѧ +7 С½­Ð¡½­½­½­ 2026-04-02 7/350 2026-04-02 21:48 by macy2011
[¿¼ÑÐ] 349Çóµ÷¼Á +10 zwjjjjjj 2026-03-31 10/500 2026-04-02 20:13 by dongzh2009
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÄÏʦ·¶´óѧ-22408¼ÆËã»ú-292·Ö-Çó»ªÄÏʦ·¶´óѧµ÷¼Á +4 °®¶ÁÊéµÄСöùÓã 2026-04-02 4/200 2026-04-02 18:35 by Çóµ÷¼Ázz
[¿¼ÑÐ] 348Çóµ÷¼Á +11 zzzzyk123 2026-04-01 11/550 2026-04-02 16:52 by Wang200018
[¿¼ÑÐ] 348»·¾³¹¤³Ìµ÷¼Á +3 ÎâÑå׿24k 2026-04-01 3/150 2026-04-02 09:14 by nanaliuyun
[¿¼ÑÐ] °²È«¹¤³Ì 285 Çóµ÷¼Á +3 Xinyu56 2026-04-01 4/200 2026-04-01 21:50 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] 085600 Ò»Ö¾Ô¸9 ×Ü·Ö351 Çóµ÷¼ÁѧУ +7 czhcz 2026-03-31 9/450 2026-04-01 19:24 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 265Çóµ÷¼Á +11 yelck 2026-04-01 12/600 2026-04-01 19:12 by 549790059
[¿¼ÑÐ] 0703Çóµ÷¼Á +4 zizimo 2026-03-31 4/200 2026-04-01 16:04 by yanflower7133
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷½»´ó080500²ÄÁÏѧ˶349 +6 jqx1258 2026-03-31 7/350 2026-03-31 21:08 by yuq
[¿¼ÑÐ] 0856 335·Ö +9 cccchenso 2026-03-29 9/450 2026-03-31 16:37 by lishahe
[¿¼ÑÐ] Ò»Ö¾Ô¸Öк£Ñó320»¯Ñ§¹¤³ÌÓë¼¼Êõѧ˶Çóµ÷¼Á +8 ÅûÐÇºÓ 2026-03-30 8/400 2026-03-31 08:53 by lbsjt
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û