| 简介 |
Compositions and methods to 3D print high quality inorganic nanostructures from a nanocomposite ink using two-photon polymerization are provided. Methods provide capability for 3D printing inorganic silica structures with sub-200 nm resolution with controlled crystallinity and doping. The final 3D printed inorganic product is shown to be pure SiO2, which can be in either glass or crystalline polymorph depending on the sintering process. The 3D printed fabricated products also show remarkable optical performance with the 3D printed micro-toroid optical resonators having quality factors (Q) over 104. For optical applications, doping and co-doping of rare earth salts such as Er3+, Tm3+, Yb3+, Eu3+ and Nd3+ can be directly implemented in the printed SiO2 structures. |
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