Fig. 2: Matching of initiation system and differences between varied photopolymerization conditions.
From: 3D printing of multi-scalable structures via high penetration near-infrared photopolymerization
a Absorption spectrum of titanocene and emission spectrum of UCNP; b the conversion of vinyl group vs. the irradiationdose as monitored by ATR-FTIR; optical images of the structures by c post-NIR irradiated or d in-situ NIR curing, the scale bar is equivalent to 1 mm.
