采用狭缝涂布法进行有机光伏器件的快速打印和原位形貌观察。
Fast printing and in situ morphology observation of organic photovoltaics using slot-die coating.
机构信息
Department of Polymer Science and Engineering, University of Massachusetts, Amherst, MA, 01003, USA; Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA.
出版信息
Adv Mater. 2015 Feb 4;27(5):886-91. doi: 10.1002/adma.201404040. Epub 2014 Dec 12.
The mini-slot-die coater offers a simple, convenient, materials-efficient route to print bulk-heterojunction (BHJ) organic photovoltaics (OPVs) that show efficiencies similar to spin-coating. Grazing-incidence X-ray diffraction (GIXD) and GI small-angle X-ray scattering (GISAXS) methods are used in real time to characterize the active-layer formation during printing. A polymer-aggregation-phase-separation-crystallization mechanism for the evolution of the morphology describes the observations.
迷你狭缝模头涂布器提供了一种简单、便捷、高效的材料路线，可以打印出与旋涂相当的效率的体异质结（BHJ）有机光伏（OPV）。掠入射 X 射线衍射（GIXD）和 GI 小角 X 射线散射（GISAXS）方法被实时用于在打印过程中对活性层形成进行表征。聚合物聚集-相分离-结晶机制描述了形态演变的观察结果。
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