http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Rapid Crystallization in Ambient Air for Planar Heterojunction Perovskite Solar Cells
신광수,최원규,나성재,류상욱,문태호 대한금속·재료학회 2017 ELECTRONIC MATERIALS LETTERS Vol.13 No.1
Organic-inorganic hybrid perovskite solar cells have attracted greatinterest because of rapid improvement of power-conversion efficiencyand strong potential for low fabrication cost. The development ofcost-effective routes producing high quality perovskite films hasbeen continuously demanded. Here, it is shown that crystallineperovskite films with completely coated morphology can be formedusing the precursors of MACl and PbI2 without post-annealing underatmosphere. The dense perovskite films composed of the closelypacked islands are observed with the smooth surface. The planar cellswith p-i-n heterojunction geometry are successfully demonstrated usingPEDOT:PSS and PCBM. Significantly, the outstanding electricalproperties are observed, which demonstrates the good coverage andcrystallinity of the perovskite layers.
All-Inorganic Perovskite CsPbI2Br through Co-Evaporation for Planar Heterojunction Solar Cells
박찬규,최원규,나성재,문태호 대한금속·재료학회 2019 ELECTRONIC MATERIALS LETTERS Vol.15 No.1
All-inorganic perovskite CsPbI 2 Br thin fi lms are formed by the dual-source thermal evaporation of CsBr and PbI 2 . Theresultant perovskite layers possess a uniform and dense microstructure with a bandgap of 1.97 eV. Planar heterojunctionperovskite solar cells are fabricated using TiO 2 and spiro-OMeTAD charge-transporting layers in the regular n - i - p form. Thedevices exhibit a best effi ciency of 5.7%. Thermal stability evaluation is performed at 85 °C under atmosphere, and ~ 85%of the initial effi ciency is maintained after 24 h.
Lead Acetate Based Hybrid Perovskite through Hot Casting for Planar Heterojunction Solar Cells
신광수,Won‑Gyu Choi,나성재,Fatma Pinar GÖKDEMİR,문태호 대한금속·재료학회 2018 ELECTRONIC MATERIALS LETTERS Vol.14 No.2
Flawless coverage of a perovskite layer is essential in order to achieve realistic high-performance planar heterojunction solarcells. We present that high-quality perovskite layers can be efficiently formed by a novel hot casting route combined with MAI(CH3NH3I) and non-halide lead acetate (PbAc2) precursors under ambient atmosphere. Casting temperature is controlled toproduce various perovskite microstructures and the resulted crystalline layers are found to be comprised of closely packedislands with a smooth surface structure. Lead acetate employed perovskite solar cells are fabricated using PEDOT:PSS andPCBM charge transporting layers, in p–i–n type planar architecture. Especially, the outstanding open-circuit voltage demonstratesthe high crystallinity and dense coverage of the produced perovskite layers by this facile route.