Abstract: A healable and recyclable polyimide polymer resin includes a chemical structural unit represented by formula (I), which is defined in the description. The chemical structural unit represented by the formula (I) bonds to at least one condensation-polymerizable monomer, so as to form the healable and recyclable polyimide polymer resin, and the condensation-polymerizable monomer is a diamine monomer or a dianhydride monomer.

Abstract: A halide material having general formula ArMAX is disclosed. The halide material can be processed to an optoelectronic film with a halogenated formamidine and a lead halide, and the optoelectronic film can be applied in the manufacture of an optoelectronic device like a perovskite laser or a PeLED. Experimental data have proved that, the fabricated optoelectronic film shows a property of photoluminescence (PL) peak wavelength adjustable. Moreover, the PL peak wavelength moves from 482 nm to 534 nm with the increase of the content of lead (Pb), halogen (X) and formamidine (FA) in the optoelectronic film. Furthermore, experimental data have also indicated that, the fabricated optoelectronic film can be used as a blue emissive layer, a red emissive layer or a green emissive layer, thereby having a significant potential for application in optoelectronics industry.

Abstract: A method of preparing a self-healing composition is disclosed, the method including following steps. An isocyanate solution, a dihydric alcohol solution, and a metal salt solution are provided. The dihydric alcohol has heterocyclic structures. The isocyanate solution and the dihydric alcohol solution are mixed, causing the isocyanate and the dihydric alcohol polymerize to form a polymer precursor. The polymer precursor includes a hard segment and a soft segment. The hard segment includes urethane groups, the soft segment includes heterocyclic structures. The polymer precursor and the metal salt solution are mixed, causing the heterocyclic structures and metal ions to undergo a chelation reaction to form a coordination complex, thereby forming the self-healing composition. A self-healing composition prepared by the method, and self-healing film using the self-healing composition are also disclosed.

Abstract: An asymmetric fused aromatic ring derivative containing sulfonyl group, which includes a structure represented by formula (I). Formula (I) is defined as in the specification. A use of the asymmetric fused aromatic ring derivative containing sulfonyl group, which is used as a photocatalyst. A hydrogen production device, which includes the asymmetric fused aromatic ring derivative containing sulfonyl group. An optoelectronic component, which includes the asymmetric fused aromatic ring derivative containing sulfonyl group.

Abstract: A terahertz modulator includes a substrate and an organic semiconductor layer. A material of the organic semiconductor layer is graphitic carbon nitride, and the organic semiconductor layer is coated on a surface of the substrate. The terahertz modulator has a high on-off contrast and is able to reach a high modulation speed. A terahertz spatial light modulator includes a terahertz modulator and an automatic pumped light spatial modulator. The automatic pumped light spatial modulator is optically connected with the terahertz modulator. The terahertz spatial light modulator generates a patterned terahertz light, and the terahertz spatial light modulator has a high on-off contrast and is able to reach a high modulation speed.

Abstract: The present disclosure provides a non-fullerene acceptor polymer, which includes a structure represented by formula (I). Formula (I) is defined as in the specification. The non-fullerene acceptor polymer has an electron donating unit and an electron attracting end group. The non-fullerene acceptor polymer uses phenyl or its derivatives as the linker to form the polymer.

Abstract: A composite material for photocatalytic hydrogen production and a photocatalytic hydrogen production catalyst are provided. The composite material includes a plurality of inorganic semiconductor particles and a linear conjugated polymer material. The conductive band of a material of the inorganic semiconductor particles is higher than the reduction potential of hydrogen, and the linear conjugated polymer material is compounded on a surface of each of the inorganic semiconductor particles, wherein the difference in the energy level of the lowest unoccupied molecular orbital (LUMO) of the linear conjugated polymer material and the conductive band of the material of the inorganic semiconductor particles is within 2 eV.

Abstract: A halide material having general formula ArMAX is disclosed. The halide material can be processed to an optoelectronic film with a halogenated formamidine and a lead halide, and the optoelectronic film can be applied in the manufacture of an optoelectronic device like a perovskite laser or a PeLED. Experimental data have proved that, the fabricated optoelectronic film shows a property of photoluminescence (PL) peak wavelength adjustable. Moreover, the PL peak wavelength moves from 482 nm to 534 nm with the increase of the content of lead (Pb), halogen (X) and formamidine (FA) in the optoelectronic film Furthermore, experimental data have also indicated that, the fabricated optoelectronic film can be used as a blue emissive layer, a red emissive layer or a green emissive layer, thereby having a significant potential for application in optoelectronics industry.

Abstract: A method of preparing a self-healing composition is disclosed, the method including following steps. An isocyanate solution, a dihydric alcohol solution, and a metal salt solution are provided. The dihydric alcohol has heterocyclic structures. The isocyanate solution and the dihydric alcohol solution are mixed, causing the isocyanate and the dihydric alcohol polymerize to form a polymer precursor. The polymer precursor includes a hard segment and a soft segment. The hard segment includes urethane groups, the soft segment includes heterocyclic structures. The polymer precursor and the metal salt solution are mixed, causing the heterocyclic structures and metal ions to undergo a chelation reaction to form a coordination complex, thereby forming the self-healing composition. A self-healing composition prepared by the method, and self-healing film using the self-healing composition are also disclosed.

Abstract: The present disclosure provides a semiconductor compound, which includes a metal complex unit and a conjugate unit. The metal complex unit includes a coordination center and a plurality of ligands. The coordination center is a metal ion or a metal atom, and the ligands are linked with the coordination center. The conjugate unit is linked with the metal complex unit by covalent bond.

Abstract: Embodiments in accordance with the present disclosure include apparatuses, devices, and methods. For example, an apparatus includes an electronic force sensor having a first opposing electrode and a second opposing electrode. The first and second opposing electrodes are configured to generate an output indicative of a force applied to the electronic force sensor. The electronic force sensor further includes a plurality of recoverably-deformable structures arranged between the first and the second opposing electrodes and having a plurality of conductive-resistive elements. Each of the recoverably-deformable structures including at least one of a variable conductor and a variable resistor and configured and arranged with attributes that set a force sensitivity of the electronic force sensor.

Abstract: Triptycene derivatives having symmetric or asymmetric substituents are provided. The triptycene derivatives of the present invention may be applied in phosphorescent lighting devices ranging from deep blue to red and may be applied as a host material, an electron transporting material or a hole transporting material. An OLED device is also herein disclosed.

Abstract: Embodiments in accordance with the present disclosure include apparatuses, devices, and methods. For example, an apparatus includes an electronic force sensor having a first opposing electrode and a second opposing electrode. The first and second opposing electrodes are configured to generate an output indicative of a force applied to the electronic force sensor. The electronic force sensor further includes a plurality of recoverably-deformable structures arranged between the first and the second opposing electrodes and having a plurality of conductive-resistive elements. Each of the recoverably-deformable structures including at least one of a variable conductor and a variable resistor and configured and arranged with attributes that set a force sensitivity of the electronic force sensor.

Abstract: Triptycene derivatives having symmetric or asymmetric substituents are provided. The triptycene derivatives of the present invention may be applied in phosphorescent lighting devices ranging from deep blue to red and may be applied as a host material, an electron transporting material or a hole transporting material. An OLED device is also herein disclosed.

Abstract: Triphenylene derivatives having a structure of formula (1) are provided. Ar represents an aromatic compound, n is 1 to 3, and each of R and R1 to R13 is a member independently selected from the group consisting of hydrogen, halo, cyano, trifluoromethyl, amino, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C20 cycloalkyl, C3-C20 cycloalkenyl, C1-C20 heterocycloalkyl, C1-C20 heterocycloalkenyl, aryl and heteroaryl. The compound of the present invention may function as a host emitter or dopant in the emitter layer of OLED device. An OLED device is also herein provided.

Abstract: The present invention relates to imidazole derivatives having vinyl group represented by general formula (I) which possess electron transporting character, have a high glass transition temperature (Tg), and high decomposition temperature (Td): wherein all symbols are defined as recited in the specification. The present invention also relates to a use of the imidazole derivatives having vinyl group as a guest emitter or electron transporter in luminescent elements.

Abstract: The present invention relates to imidazole derivatives having vinyl group represented by general formula (I) which possess electron transporting character, have a high glass transition temperature (Tg), and high decomposition temperature (Td): wherein all symbols are defined as recited in the specification. The present invention also relates to a use of the imidazole derivatives having vinyl group as a guest emitter or electron transporter in luminescent elements.

Abstract: Triphenylene derivatives having a structure of formula (1) are provided. Ar represents an aromatic compound, n is 1 to 3, and each of R and R1 to R13 is a member independently selected from the group consisting of hydrogen, halo, cyano, trifluoromethyl, amino, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C20 cycloalkyl, C3-C20 cycloalkenyl, C1-C20 heterocycloalkyl, C1-C20 heterocycloalkenyl, aryl and heteroaryl. The compound of the present invention may function as a host emitter or dopant in the emitter layer of OLED device. An OLED device is also herein provided.

Abstract: The invention provides a light-emission material comprising a compound having Formula (I): wherein each of A independently is: each of Rm independently is H, alkyl, alkenyl, alkynyl, CN, CF3, alkylamino, amino, alkoxy, halo, aryl, or heteroaryl.

Abstract: The present invention discloses conjugated compounds containing heteroatom-centered arylsilane derivatives and their applications as host materials, electron transport materials, or hole transport materials in an organic electroluminescent device. The general structure of the conjugated compounds containing heteroatom-centered arylsilane derivatives is as follows: where X1, X2, X3, and X4 can be identical or different and X1, X2, X3, and X4 are independently selected from the group consisting of the following: H, B, N, P?O, Si—R9; and R1, R2, R3, R4, R5, R6, R7, R8, and R9 can be identical or different and R1, R2, R3, R4, R5, R6, R7, R8, and R9 are independently selected from aryl group or heterocyclic aryl group containing one or more substituents.