An organic-inorganic hybrid ferroelectric with strong luminescence and high Curie temperature

The coexistence of ferroelectricity and luminescence in a material makes it a very interesting multifunctional material for fabricating new optoelectronic devices. As a single-component system with flexibility and structure tunability, organic-inorganic hybrid luminescent ferroelectrics are more attractive than previously reported rare-earth-doped ones. We herein report a new organic-inorganic hybrid ferroelectric, (C₁₀H₁₆N)₂MnBr₄, which exhibits ferroelectricity with a Curie temperature of 421 K and green-light emission with a high photoluminescence quantum yield (PL QY) of 88.52%. Furthermore, it shows excellent film-forming ability. The thin film with high quality can be easily prepared by a spin-coating method. These advantages make it have great potential application in optoelectronic devices.