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Researchers Reveal Solvatomorphism Influence of Porous Organic Cage on C2H2/CO2 Separation
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PcFe-catalyzed radical phosphinoylazidation of alkenes with fast azido transfer step
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Home > Press > Polarization-sensitive photodetection using 2D/3D perovskite heterostructure crystal
(a) Schematic structure of polarized light detector. (b) Photoconductivity parallel and perpendicular to the interface. (c) Photoconductivity anisotropy versus excitation power. (d) Angle-resolved photocurrent as a function of polarization angle measured at 405 nm under zero bias. (e) Experimental polarization ratios of some reported polarized light detectors. (f) Angle-dependent photocurrent of the present device measured at different temperature.
CREDIT
@Science China Press
Abstract:
Polarization-sensitive photodetectors, based on anisotropic semiconductors, have exhibited wide advantages in specialized applications, such as astronomy, remote sensing, and polarization-division multiplexing. For the active layer of polarization-sensitive photodetectors, recent researches focus on two-dimensional (2D) organic-inorganic hybrid perovskites, where inorganic slabs and organic spacer
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IMAGE: (a) Schematic structure of polarized light detector. (b) Photoconductivity parallel and perpendicular to the interface. (c) Photoconductivity anisotropy versus excitation power. (d) Angle-resolved photocurrent as a function of polarization angle. view more
Credit: @Science China Press
Polarization-sensitive photodetectors, based on anisotropic semiconductors, have exhibited wide advantages in specialized applications, such as astronomy, remote sensing, and polarization-division multiplexing. For the active layer of polarization-sensitive photodetectors, recent researches focus on two-dimensional (2D) organic-inorganic hybrid perovskites, where inorganic slabs and organic spacers are alternatively arranged in parallel layered structures. Compared with inorganic 2D materials, importantly, the solution accessibility of hybrid perovskites makes it possible to obtain their large crystals at low cost, offering exciting opportunities to incorporate crystal out-
Chinese Academy of Sciences
Supramolecular transformations within coordination-assembled architectures have attracted great attention over the past two decades because fundamental biomolecules are found to be capable of achieving biological functions through conformational changes.
Well-controlled interconversion between topologically complex superstructures may lay the foundation for achieving a variety of functions within a switchable system. The size, shape and nature properties between interconvertible cage-shaped molecules have been altered accompanied by the structural interconversions with the output of structurally dependent properties and functions.
In a study published in J. Am. Chem. Soc., the research group led by Prof. Sun Qingfu from Fujian Institute of Research on the Structure of Matter (FJIRSM) of the Chinese Academy of Sciences reported the controlled self-assembly of three topologically-unprecedented conjoined twin-cages, i.e. one stapled interlocked Pd
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