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Title: Encapsulated peruvskite based photovoltaics devices with high stability
Authors: Wong, MK
Dung, Q
Liu, FZ
Djurisic, MB
Chan, WK
Li, HK
Shih, KM
Ng, AN 
Surya, C 
Issue Date: 2016
Publisher: Cambridge University Press
Source: MRS advances, 2016, v. 1, no. 47, p. 3191-3198 How to cite?
Journal: MRS advances 
Abstract: Perovskite based photovoltaics have recently emerged as the forerunner in the next generation photovoltaic technology because of the rapid increase of power conversion efficiency (PCE). However, it is well recognized that the exposure to moisture, heat and light causes the degradation of perovskite [II (especially for methylammonium lead iodide (CH3NH3PbI3) which is the most commonly used perovskite material). It makes stability a main issue for the commercialization of perovskitc based photovoltaics. Hence, an advanced encapsulation method is one of the keys to improve the stability. Here we present a comparison study between different encapsulation methods. Perovskite based photovoltaics devices were encapsulated using UV epoxy resin, with or without the addition of desiccant and the deposition of SiO, layer. By minimizing the ingress of moisture and oxygen, devices with storage in ambient air under one sun continuous illumination could retain 94 0 of the initial performance (PCE around 13%) after two days.
ISSN: 2059-8521
DOI: 10.1557/adv.2016.285
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