In the paper, a new biodegradable polyurethane(PU, PU-I) was prepared: the prepolymer was synthesized via bulk ring-opening polymerization with poly(ethylene gl
A series of fluorine- and piperazine-containing 1,2,4-triazole thione derivatives were synthesized by the Mannich reaction of triazole intermediates with variou
Using a lithium niobate(LN) material, we propose a broadband polarization beam splitter(PBS) with high efficiency by employing a negative refractive photonic cr