Najafi M. et al.YULIA GALAGAN2020-09-022020-09-02201816136810https://www.scopus.com/inward/record.uri?eid=2-s2.0-85041550099&doi=10.1002%2fsmll.201702775&partnerID=40&md5=b2a8664bdffd4d0466c5c34f88b101cdhttps://scholars.lib.ntu.edu.tw/handle/123456789/513620[SDGs]SDG7Highly Efficient and Stable Flexible Perovskite Solar Cells with Metal Oxides Nanoparticle Charge Extraction Layersjournal article10.1002/smll.201702775294240512-s2.0-85041550099