Despite its potential, nanoscale 3D printing faces several challenges:
Material Limitations: Finding suitable materials that can be precisely manipulated at the nanoscale. Resolution and Accuracy: Achieving high resolution and accuracy to ensure the functional performance of the printed structures. Cost and Scalability: The high cost and complexity of nanoscale 3D printing technology make it difficult to scale for mass production. Post-Processing: Often, additional steps are required to refine the structures, which can introduce errors or defects.