Scalability of Synthesis Methods

The gap

Consensus across the literature

Supporting evidence — 8 representative gaps

• Phase-selective sol–gel auto-combustion synthesis of γ-Fe2O3 and Fe3O4 nanoparticles (2026) · doi

  While 19 batches were synthesized to demonstrate reproducibility and scale-up in controlled argon atmosphere, the scalability to larger production volumes and industrial-scale synthesis has not been demonstrated.

  Keywords: scale batches synthesized demonstrate reproducibility controlled argon atmosphere scalability larger production volumes industrial synthesis
• Ultrathin Quarter-Waveplates Based on Two-Dimensional Anisotropic NbOCl2 (2026) · doi

  While giant optical anisotropy has been demonstrated in various 2D materials, the scalability and reproducibility of manufacturing ultrathin NbOCl2 waveplates for commercial applications remains unexplored.

  Keywords: giant optical anisotropy various materials scalability reproducibility manufacturing ultrathin nbocl waveplates commercial applications remains unexplored
• Ultrathin Quarter-Waveplates Based on Two-Dimensional Anisotropic NbOCl2 (2026) · doi

  The theoretical understanding of why NbOCl2 exhibits colossal in-plane optical anisotropy compared to other van der Waals materials requires deeper investigation.

  Keywords: theoretical understanding nbocl exhibits colossal plane optical anisotropy compared waals materials requires deeper investigation
• Ultrathin Quarter-Waveplates Based on Two-Dimensional Anisotropic NbOCl2 (2026) · doi

  Practical integration of ultrathin NbOCl2 waveplates into optical systems and devices, including alignment challenges and coupling efficiency, remains to be demonstrated.

  Keywords: practical integration ultrathin nbocl waveplates optical systems devices including alignment challenges coupling efficiency remains
• Waste to Wheels: Bio-Diesel Synthesis from used Cooking Oil (2026) · doi

  The paper lacks discussion on the scalability of biodiesel production from UCO at an industrial level and cost-effectiveness analysis for commercial deployment.

  Keywords: lacks discussion scalability biodiesel production industrial level cost effectiveness commercial deployment
• An inhibitory effect on CdS thin films produced by the electrodeposition method (2026) · doi

  The study was conducted on ITO-coated glass substrates; scalability and applicability of the method to other substrate materials or larger-scale industrial production were not addressed.

  Keywords: conducted coated glass substrates scalability applicability substrate materials larger scale industrial production addressed
• C:ZnO Composites for Improving Catalytic Activity of ZnO (2023) · doi

  The paper references C:ZnO composite synthesis through multiple methods (sol-gel, hydrothermal, spray-pyrolysis, solvothermal) but does not provide comparative analysis of how synthesis method affects the resulting photocatalytic activity of the C:ZnO composite or the optimal carbon-to-ZnO ratio for enhanced catalytic performance.

  Keywords: C:ZnO composite synthesis photocatalytic activity sol-gel hydrothermal spray-pyrolysis carbon doping
• C:ZnO Composites for Improving Catalytic Activity of ZnO (2023) · doi

  While reference [36] demonstrates carbon/ZnO/Li2O nanocomposites with enhanced photocatalytic activity, the scalability and reproducibility of C:ZnO composite synthesis for industrial-scale applications remain unaddressed, particularly regarding consistent doping levels, particle size control, and batch-to-batch variation in catalytic performance.

  Keywords: C:ZnO nanocomposite scalability industrial synthesis batch reproducibility particle size control