Tandem Perovskite-Silicon PV Cell from China

Emerging tandem photovoltaic cell stacking perovskite top cell on silicon bottom cell for >30% efficiency potential. Individual research-grade cell under HTS 8541.42.00. Not assembled into commercial modules.

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

Stability data (IEC 61215) essential for perovskite degradation claims

Declare organic/inorganic hybrid composition for proper chemical classification

Research exemption paperwork for prototype quantities