1 Introduction Cyclic carbonates e.g. ethylene- and propylene carbonate undergo ring-opening polymerization (ROP) at elevated temperatures ( 100 ℃) in the pres
1IntroductionPolymer photovoltaic cells (PPVCs) have attracted much attention recently because of its easy fabrication, low cost and possibility to make flexibl
1IntroductionThere has been wide interest in the photophysical properties of rod-like fluorene based conjugated polymers because of their potential applications
1Introduction
Ligularia Cass., (Compositae) is a highly diversified genus, and more than 100 species of which are distributed in the eastern Qinghai-Tibet Plat