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yunzhijun112

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ÒýÓûØÌû:
4Â¥: Originally posted by hookhans at 2013-03-23 11:50:15
µ±È», ÄãµÃ¸ù¾ÝÐèÒª×ö½øÒ»²½µÄÐÞÊÎ, ÕâÑù²ÅÊÇÄãµÄÎÄÕÂ.

5Â¥2013-03-23 17:36:00
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hookhans

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¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
yunzhijun112: ½ð±Ò+10, ·­ÒëEPI+1, ¡ïÓаïÖú 2013-03-23 11:33:51
sltmac: ½ð±Ò+30, »¶Ó­³£À´±¾°æ½»Á÷ 2013-03-26 08:48:05
Metalloporphyrin has characteristic absorption bands in the UV-vis region. And according to the Gouterman four orbital model, the D4h symmetric metalloporphyrin has two energy close a1¦Ì(¦Ð) and a2¦Ì(¦Ð) levels on the high occupied molecular obital (HOMO), and a couple of degenerated eg(¦Ð£ª) levels on the low unoccupied molecular orbital(LUMO). The transitions from a1¦Ì(¦Ð)¡¢a2¦Ì(¦Ð) to eg(¦Ð£ª) will generate two single excitation transitions. The strong absorption band B at ca. 400 nm is due to a1¦Ì(¦Ð) ¡úeg(¦Ð£ª) transition, and the weak absorption band Q at ca. 500¡«600 nm is due to a2¦Ì(¦Ð)¡úeg(¦Ð£ª) transition. The Q band includes ¦Áand ¦Âabsorption bands with the former lying at the higher wavelength. It can be seen from Fig. 5 that the B¡¢¦ÁºÍ¦Âabsorption bands of ZnPP-PS are at 425£¬559£¬599 nm, respectively, which is in well agreement with the electron absorption spectroscopy of the small molecule ZnPP reported in Ref. [16]. This demonstrates that the functional mtalloporphyrin polymer ZnPP-PS formed by the polymerization of ZnPP maintained (reserved) the spectroscopic properties of the small molecule ZnPP.
where-there-is-a-will-there-is-a-way.
2Â¥2013-03-23 11:03:39
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yunzhijun112

ľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by hookhans at 2013-03-23 11:03:39
Metalloporphyrin has characteristic absorption bands in the UV-vis region. And according to the Gouterman four orbital model, the D4h symmetric metalloporphyrin has two energy close a1¦Ì(¦Ð) and a2¦Ì ...

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3Â¥2013-03-23 11:35:21
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hookhans

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

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µ±È», ÄãµÃ¸ù¾ÝÐèÒª×ö½øÒ»²½µÄÐÞÊÎ, ÕâÑù²ÅÊÇÄãµÄÎÄÕÂ.
where-there-is-a-will-there-is-a-way.
4Â¥2013-03-23 11:50:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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