Abstract
Recently, organic-inorganic hybrid perovskite materials such as CH3NH3PbI3, CH3NH3PbBrI2 and CH3NH3SnICl2I etc. have attracted great attention for its outstanding opto-electric properties toward application in the field of photovoltaic as well as illumination and photocatalysis.1–7 Normally, like many other opto-electronic materials, these multi-component perovskites were fabricated either by sequential liquid phase chemical deposition (one-step, two step, and successive ion layer absorption known as SILAR) or by gaseous phase chemical vapor deposition (with many variations).1–7 The as-fabricated materials have demonstrated excellent performances especially on efficiencies up to over 20%, yet with efforts continuously paid on stability and mechanisms. However, those fabrication methods have either suffered from complicated and slow processes or high instrumental requirements. Therefore a simpler, controllable and low requirement method would be hopefully helpful for future development
© 2016 Optical Society of America
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