A new red fluorophore with aggregation enhanced emission by an unexpected "One-step" protocol. Issue 33 (18th May 2018)

• Record Type: Journal Article
• Authors: Wang, Rui; Hou, Meili; Xu, Zhigang; Tan, Luxi; Zhong, Cheng; Zhu, Linna
• Is Part Of: RSC advances. Volume 8:Issue 33(2018)
• Page Start: 18327
• Page End: 18333
• Publication Date: 2018-05-18
• Subjects: Chemistry -- Periodicals; 540.5
• DOI: 10.1039/c8ra00955d
• Languages: English
• ISSNs: 2046-2069

Abstract

Abstract : Compound A1H2 was synthesized via the reductive Knoevenagel alkylation, whose nanoparticles exhibit bright red emission in aqueous solution. Abstract : In this work, a triphenylamine-benzothiadiazole-based new fluorophore is obtained from a facile "one-step" protocol. A possible reduction mechanism is proposed, and an amine containing α-H plays a key role in the reduction reaction. The resultant product A1H2 exhibits bright red emission in solid state, with an absolute quantum yield of 44.5%. Aggregation induced emission enhancement of A1H2 is also observed with the increased water fraction in THF-H2 O mixture. The nanoparticles of A1H2 reveal good stability and biocompatibility, which are successfully applied in cellular cytoplasm imaging.