1. Whitepaper for CIGS Thin Film Solar Cell Technology (CIGS, 2015).
2. 2Q 2017 Global Market Outlook. Under pressure (Bloomberg New Energy Finance, 2017).
3. Global Market Outlook. For Solar Power 2017-2021 (Solar Power Europe, 2016).
4. 17.52% efficiency-new world record for Solibro’s CIGS thin film panels Solibro
http://solibro-solar.com/en/news-downloads/news/
(2018).
5. Green, M. A. et al. Solar cell efficiency tables (version 51). Prog. Photovolt. 26, 3–12 (2018).