| ²é¿´: 1531 | »Ø¸´: 3 | |||
| ±¾Ìû²úÉú 1 ¸ö ·ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴 | |||
reworldͳæ (³õÈëÎÄ̳)
|
[ÇóÖú]
×î½üÂÛÎÄ·Ò룬Óöµ½Ò»Ð©¾ä×ÓÄÑ£¡£¡£¡
|
||
|
1.By careful structural and electronic characterization, it is shown that simultaneous substitutions of Eu3+ and Na+ at Ca2+ sites were possible using this methodology, which allows one to vary the local symmetry surrounding Eu3+ and moreover the energy transfer from O2-to Eu3+ and tungstate groups to Eu3+ for optimum luminescence. 2.Upon excitation, Eu3+ can exhibit a highly efficient and narrow emission via exchange interaction and dipole -dipole interaction for both energy migration and energy transfer from the host matrix to the luminescent center. 3.It can be used to modify the local site symmetry of the Eu3+ containing materials for improving the luminescence efficiency. 4.Calcium tungstate (CaWO4) is an important member of metal tungstate families. |
» ²ÂÄãϲ»¶
ûÓÐÈκÎÏûÏ¢-ÊDz»ÊǾÍÁ¹ÁË
ÒѾÓÐ5È˻ظ´
Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡·
ÒѾÓÐ5È˻ظ´
2026¹ú×ÔÈ»º¯ÆÀ·Ñµ½ÕË
ÒѾÓÐ19È˻ظ´
ÄÜ·ñÍ˳ö²ÎÓëµÄÃæÉÏÏîÄ¿½â³ýÏÞÏî
ÒѾÓÐ21È˻ظ´
½¨Òé»ù½ð·¢²¼Ìáǰ¸ø³öÃ÷È·µÄʱ¼äµã
ÒѾÓÐ16È˻ظ´
½ñÈÕ²»·Å°ñ£¿Íø´«¹ú×ÔȻԤ¼Æ 8 Ô 27 Èտɲé½á¹û
ÒѾÓÐ21È˻ظ´
¹À¼ÆÊÇÖÜËÄ
ÒѾÓÐ4È˻ظ´
ÎÒÃæÉÏÍêµ°ÁË
ÒѾÓÐ9È˻ظ´
·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë
ÒѾÓÐ7È˻ظ´
ÅóÓÑȦ¿´µ½µÄ
ÒѾÓÐ9È˻ظ´

Éú»¯µÀ³¤
ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)
- ·ÒëEPI: 49
- Ó¦Öú: 30 (СѧÉú)
- ½ð±Ò: 22519.1
- É¢½ð: 314
- ºì»¨: 7
- Ìû×Ó: 5432
- ÔÚÏß: 773.7Сʱ
- ³æºÅ: 728295
- ×¢²á: 2009-03-22
- ÐÔ±ð: GG
- רҵ: ÉúÎﻯ¹¤ÓëʳƷ»¯¹¤
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
|
1.ͨ¹ý×ÐϸµÄ½á¹¹ºÍµç×Ó±íÕ÷£¬ÏÔʾÓÃÕâÖÖ·½·¨ÊµÏÖCa2+λµã±»Eu3+ºÍNa+µÄͬʱȡ´úÊÇ¿ÉÄܵģ¬Ê¹ÎÒÃÇÄܹ»¸Ä±äEu3+ÖÜΧµÄλµã¶Ô³ÆÐÔ£¬Ò²¿É¸Ä±äÄÜÁ¿´ÓO2µ½ Eu3+ºÍ´ÓÎÙËá¸ùµ½ Eu3+µÄ×ªÒÆ£¬ÊµÏÖ×î¼ÑµÄ·¢¹â¡£ 2.Ò»µ©¼¤·¢£¬Í¨¹ý½»»¥Ó°ÏìºÍż¼«¼äÏ໥ӰÏìʵÏÖÄÜÁ¿´ÓËÞÖ÷¾ØÕóµ½·¢¹âÖÐÐĵÄǨáãºÍ×ªÒÆ£¬Ê¹µÃ Eu3+Äܹ»¸ßЧºÍ¼¯Öеķ¢Éä¡£ 3.Äܹ»ÓÃÓÚÐÞÊκ¬ÓÐÌá¸ß·¢¹âÐÔÄÜµÄ Eu3+µÄ±¾µØÎ»µã¶Ô³ÆÐÔ¡£ 3.ÎÙËá¸ÆÊǽðÊôÎÙËá¼Ò×åÖеÄÖØÒª³ÉÔ± |
2Â¥2012-03-15 15:51:19
Éú»¯µÀ³¤
ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)
- ·ÒëEPI: 49
- Ó¦Öú: 30 (СѧÉú)
- ½ð±Ò: 22519.1
- É¢½ð: 314
- ºì»¨: 7
- Ìû×Ó: 5432
- ÔÚÏß: 773.7Сʱ
- ³æºÅ: 728295
- ×¢²á: 2009-03-22
- ÐÔ±ð: GG
- רҵ: ÉúÎﻯ¹¤ÓëʳƷ»¯¹¤
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
reworld: ½ð±Ò+3, ·ÒëEPI+1 2012-03-16 14:30:51
Mally89: ½ð±Ò+1, ¸ÐлӦÖú£¡~»¶Ó³£À´£¡~ºðºð£¡~\(^o^)/~ 2012-03-16 22:18:01
sltmac: ½ð±Ò+2 2012-03-23 09:38:15
reworld: ½ð±Ò+3, ·ÒëEPI+1 2012-03-16 14:30:51
Mally89: ½ð±Ò+1, ¸ÐлӦÖú£¡~»¶Ó³£À´£¡~ºðºð£¡~\(^o^)/~ 2012-03-16 22:18:01
sltmac: ½ð±Ò+2 2012-03-23 09:38:15
|
1.ͨ¹ý×ÐϸµÄ½á¹¹ºÍµç×Ó±íÕ÷£¬ÏÔʾÓÃÕâÖÖ·½·¨ÊµÏÖCa2+λµã±»Eu3+ºÍNa+µÄͬʱȡ´úÊÇ¿ÉÄܵģ¬Ê¹ÎÒÃÇÄܹ»¸Ä±äEu3+ÖÜΧµÄλµã¶Ô³ÆÐÔ£¬Ò²¿É¸Ä±äÄÜÁ¿´ÓO2µ½ Eu3+ºÍ´ÓÎÙËá¸ùµ½ Eu3+µÄ×ªÒÆ£¬ÊµÏÖ×î¼ÑµÄ·¢¹â¡£ 2.Ò»µ©¼¤·¢£¬Í¨¹ý½»»¥Ó°ÏìºÍż¼«¼äÏ໥ӰÏìʵÏÖÄÜÁ¿´ÓËÞÖ÷¾ØÕóµ½·¢¹âÖÐÐĵÄǨáãºÍ×ªÒÆ£¬Ê¹µÃ Eu3+Äܹ»¸ßЧºÍ¼¯Öеķ¢Éä¡£ 3.Äܹ»ÓÃÓÚÐÞÊκ¬ÓÐÌá¸ß·¢¹âÐÔÄܲÄÁ쵀 Eu3+µÄ±¾µØÎ»µã¶Ô³ÆÐÔ¡£ 3.ÎÙËá¸ÆÊǽðÊôÎÙËá¼Ò×åÖеÄÖØÒª³ÉÔ± |
3Â¥2012-03-15 15:52:39
reworld
ͳæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 161.3
- É¢½ð: 16
- Ìû×Ó: 40
- ÔÚÏß: 21.2Сʱ
- ³æºÅ: 992604
- ×¢²á: 2010-04-09
- ÐÔ±ð: GG
- רҵ: ÄÜÔ´»¯¹¤

4Â¥2012-03-16 09:38:57









»Ø¸´´ËÂ¥
20