Continuous Synthesis of Highly Stable Cs 4 PbBr 6 Perovskite Microcrystals by a Microfluidic System and Their Application in White-Light-Emitting Diodes.

Authors :: Bao Z
Wang HC
Jiang ZF
Chung RJ
Liu RS
Source :: Inorganic chemistry [Inorg Chem] 2018 Nov 05; Vol. 57 (21), pp. 13071-13074. Date of Electronic Publication: 2018 Oct 17.
Publication Year :: 2018
Abstract: In this paper, we report a simple, rapid, and stable method for the continuous synthesis of highly stable Cs <subscript>4</subscript> PbBr <subscript>6</subscript> perovskite microcrystals (MCs) using a microfluidic system. To demonstrate the potential application of Cs <subscript>4</subscript> PbBr <subscript>6</subscript> MCs, the sample was fabricated with K <subscript>2</subscript> SiF <subscript>6</subscript> :Mn <superscript>4+</superscript> phosphor onto InGaN blue chips as white-light-emitting diodes (LEDs). Our white-LED device achieved a high National Television Standards Committee value of 119% for backlight display, which indicated that the Cs <subscript>4</subscript> PbBr <subscript>6</subscript> MC is a promising material for future applications.

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