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Birefringent crystals have important applications in optoelectronics areas due to their ability to modulate and polarize light. Despite increasing discovery of the birefringence potential of new crystals, it remains a great challenge to optimize both birefringence and bandgap simultaneously. Herein, a 1D chain‐like hybrid perovskite birefringent crystal designed by 3D‐to‐1D dimensional tailoring,...
It is in great demand to discover new materials with large birefringence for the miniaturization of optical communication devices. In this work, a new one‐dimensional hybrid halide perovskite, (C6N10H8)Pb2Br6, is obtained successfully through structural design of dimension reduction from the notable three‐dimensional halide perovskite CsPbBr3. Remarkably, (C6N10H8)Pb2Br6 exhibits a significantly enhanced...
Birefringent crystals that can switch light polarization have important applications in optoelectronics. In the last decades, birefringence is mostly optimized by chemical strategies. Recently, switching birefringence by physical means has attracted much attention. Here, this work reports the observation of heat switching birefringence in a 2D layered hybrid halide perovskite (C2N3H4)2PbCl4 ((C2N3...
Birefringent crystals that can switch light polarization have important applications in optoelectronics. In the last decades, birefringence is mostly optimized by chemical strategies. Recently, switching birefringence by physical means has attracted much attention. Here, this work reports the observation of heat switching birefringence in a 2D layered hybrid halide perovskite (C2N3H4)2PbCl4 ((C2N3...
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