Details

Autor(en) / Beteiligte

• Liu, Yong
• Zhang, Yongjie
• Fennel, Franziska
• Wagner, Wolfgang
• Würthner, Frank
• Chen, Yuanfang
• Chen, Zhijian

Titel

Coupled Cooperative Supramolecular Polymerization: A New Model Applied to the Competing Aggregation Pathways of an Amphiphilic aza‐BODIPY Dye into Spherical and Rod‐Like Aggregates

Ist Teil von

• Chemistry : a European journal, 2018-11, Vol.24 (61), p.16388-16394

Ort / Verlag

Germany: Wiley Subscription Services, Inc

Erscheinungsjahr

2018

Link zum Volltext

Quelle

Wiley Online Library Journals Frontfile Complete

Beschreibungen/Notizen

• Based on our studies on biphasic self‐assembly behavior of an amphiphilic BF2‐azadipyrromethene (aza‐BODIPY) dye 1, a new analytical model to quantitatively describe the thermodynamic properties of the aggregation involving two competing supramolecular polymerization processes is proposed. In this model, the formation of the metastable as well as the thermodynamically stable aggregates was considered to follow a nucleated polymerization mechanism. The numerical calculation based on the new model gives insight into the formation of different species in such complicate aggregate systems. Moreover, the aggregation of the biphasic self‐assembly processes for dye 1 was investigated by concentration‐dependent UV/Vis spectroscopy. The experimental data were analyzed by using the new model to evaluate the thermodynamic parameters including aggregation constants, the size of nuclei, and the cooperativity the two types of aggregates. Modelling polymerization: A new analytical model of coupled cooperative supramolecular polymerizations is proposed to describe the biphasic aggregation of an amphiphilic BF2‐azadipyrromethene (BODIPY) dye.