Light from Afield: Fast, High-Resolution, and Layer-Free Deep Vat 3D Printing,Chemical Reviews

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Light from Afield: Fast, High-Resolution, and Layer-Free Deep Vat 3D Printing
Chemical Reviews ( IF 51.4 ) Pub Date : 2024-07-05 , DOI: 10.1021/acs.chemrev.4c00134
Parth Chansoria ₁ , Riccardo Rizzo _{2,

3} , Dominic Rütsche _{4,

5} , Hao Liu ₁ , Paul Delrot ₆ , Marcy Zenobi-Wong ₁

Affiliation

Harnessing light for cross-linking of photoresponsive materials has revolutionized the field of 3D printing. A wide variety of techniques leveraging broad-spectrum light shaping have been introduced as a way to achieve fast and high-resolution printing, with applications ranging from simple prototypes to biomimetic engineered tissues for regenerative medicine. Conventional light-based printing techniques use cross-linking of material in a layer-by-layer fashion to produce complex parts. Only recently, new techniques have emerged which deploy multidirection, tomographic, light-sheet or filamented light-based image projections deep into the volume of resin-filled vat for photoinitiation and cross-linking. These Deep Vat printing (DVP) approaches alleviate the need for layer-wise printing and enable unprecedented fabrication speeds (within a few seconds) with high resolution (>10 μm). Here, we elucidate the physics and chemistry of these processes, their commonalities and differences, as well as their emerging applications in biomedical and non-biomedical fields. Importantly, we highlight their limitations, and future scope of research that will improve the scalability and applicability of these DVP techniques in a wide variety of engineering and regenerative medicine applications.

中文翻译：

来自远方的光：快速、高分辨率、无层深缸 3D 打印

利用光来交联光响应材料已经彻底改变了 3D 打印领域。人们已经引入了利用广谱光整形的各种技术作为实现快速、高分辨率打印的方法，其应用范围从简单的原型到用于再生医学的仿生工程组织。传统的光打印技术采用逐层方式的材料交联来生产复杂的零件。直到最近，新技术才出现，将多向断层扫描、光片或丝状光图像投影深入到树脂填充桶的体积中，以进行光引发和交联。这些深还原印刷 (DVP) 方法减少了对分层印刷的需求，并实现了前所未有的制造速度（几秒钟内）和高分辨率（>10 μm）。在这里，我们阐明这些过程的物理和化学原理、它们的共性和差异，以及它们在生物医学和非生物医学领域的新兴应用。重要的是，我们强调了它们的局限性以及未来的研究范围，这些范围将提高这些 DVP 技术在各种工程和再生医学应用中的可扩展性和适用性。

更新日期：2024-07-05

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