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设计并合成了2种苝二酰亚胺分子PBI1和PBI2，研究了bay区的苯氧基团邻位甲基取代对分子构型及分子聚集的影响.通过对单晶结构的分析，发现邻位甲基的引入明显影响苝二酰亚胺分子构型，使得4个苯氧基呈中心对称分布.由于甲基的空间位阻效应，有效地减弱了分子间π-π相互作用，从而提高了分子的溶解性与溶液加工成膜性.研究结果表明，在π共轭分子结构中的关键位置引入小的甲基取代基能够显著调控分子的聚集行为，有...
Tidal marshes as a source of optically and chemically distinctive colored dissolved organic matter in the Chesapeake Bay
Tidal marshes as a source of optically and chemically distinctive colored dissolved organic matter in the Chesapeake Bay
2014/4/18
The role of tidal marshes as a source of dissolved organic carbon (DOC) and colored dissolved organic matter (CDOM) for adjacent estuarine waters was studied in the Rhode River subestuary of the Chesa...
Optical Fluoride Sensing with a Bay Region Functionalized Perylenediimide Dye
Chemosensor fluorogenic sensors chromogenic sensors fluoride sensing supramolecular chemistry
2010/4/19
A perylenedimiide (PDI) derivative functionalized at the perylene core (bay region) to carry phenyl boronic acid groups was shown to interact with fluoride with changes in the emission and absorption ...
Short-term variation of triple oxygen isotopes and gross oxygen production in the Sagami Bay, central Japan
Short-term variation triple oxygen isotopes gross oxygen production Sagami Bay central Japan
2014/5/4
We studied diurnal and daily variations in triple oxygen isotopes in the euphotic zone of the Sagami Bay during summer 2003 and 2004. There were sharp changes in physical processes, driven by changes ...