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CHAPTER 1

Reliably Measuring the Performance of Emerging Photovoltaic Solar Cells

Determining the power conversion efficiency of photovoltaic solar cells, especially those from new, emerging areas of technology, is important if advances in performance are to be made. However, although precise measurements are important, it is the accuracy of these types of measurements that can cause issues. Accurate measurements not only promote the development of new technology platforms, but they also enable comparisons with established technologies and allow assessments of advancements within the same field. This chapter provides insights into how measurements can be made with reasonable accuracy using both the components of the measuring system and a good protocol to acquire good data. The chapter discusses how to measure a calibrated lamp spectrum, determine a spectral mismatch factor, identify the correct reference cell and filter, define the illuminated active area, measure JV curves to avoid any hysteresis effects, take note of sample degradation issues and avoid the temptation to artificially enhance efficiency data.

Print publication date: 20 Nov 2017
Copyright year: 2018
Print ISBN: 978-1-78262-458-5
PDF eISBN: 978-1-78262-674-9
ePub eISBN: 978-1-78801-250-8