Improving Perovskite Tandem Cell Performance Evaluation Through Appropriate I-V Testing
Reliable performance evaluation is essential to the development of next-generation photovoltaic devices. For perovskite and tandem solar cells, the testing procedure must account for the electrical behavior of the sample and the purpose of the measurement. Yoha Solar's recent MPPT control development addresses a key challenge in this field: obtaining stable maximum power point tracking when testing devices that may exhibit hysteresis or dynamic response. From I-V measurement to meaningful evaluation I-V testing provides a relationship between current and voltage under specified conditions. Researchers use this information to evaluate photovoltaic performance and compare devices. However, results can be influenced by scan settings, illumination, device state, and measurement timing. For some perovskite devices, hysteresis makes it particularly important to define the test protocol carefully. The role of MPPT MPPT aims to identify and follow the maximum power operating point. It...