Perovskite Tandem Solar Module Prototype from China
Emerging technology perovskite-silicon tandem solar module achieving >28% efficiency through stacked cell architecture, currently prototype stage for research applications. HTS 8541.43.00 covers all assembled photovoltaic technologies including developmental tandem cells in panel form. Lab-to-commercial transition product.
Duty Rate — China → United States
60%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.91.0250%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (c) of U.S. note 31 to this subchapter
Import Tips
• Research institution letters and stability test data critical; prototype status may qualify for duty-free research import under HTSUS Chapter 98
• Stability concerns affect valuation and warranty declarations