Tsinghua University

Other

Industrial Technology Research Institute

Zhen Ding Technology Co., Ltd.

Ho-Hsiu Chou

Chien-Hong Cheng

Yu-Han Chen

Mohamed Hammad Elsayed

Wei-Cheng Lin

Fan-Gang Tseng

Chien-Yu Chen

Yi-Hsiang Chen

Kuei-Yi Chuang

Hao-Wu Lin

Shang-Hua Yang

Chi-Fei Huang

Hung-Hsin Shih

Chih-Li Chang

Tsan-Yao Chen

He-Pei Hsu

Chun-Hsiu Lin

Chun-Ming Yeh

Lin Yang

Yuan-Ting Tseng

Chia-Ming Mai

Chih-Wei Juan

Tse-Fu Huang

Li-Yu Ting

Zan-Xiang Wang

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.

Composite material for photocatalytic hydrogen production and photocatalytic hydrogen production catalyst

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.

Terahertz modulator and terahertz spatial light modulator

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.

Asymmetric fused aromatic ring derivative containing sulfonyl group, hydrogen production device and optoelectronic component

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.

Healable and recyclable polyimide polymer resin, healing method and recycling method thereof

A non-fullerene acceptor polymer 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.

Non-fullerene acceptor polymer

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.

Halide material and optical unit and optoelectronic device having the same

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.

Method for manufacturing self-healing composition, self-healing composition, and self-healing film

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.

Triptycene derivatives having symmetric or asymmetric substituents and organic light emitting diode using the same

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 Rto Ris a member independently selected from the group consisting of hydrogen, halo, cyano, trifluoromethyl, amino, C-Calkyl, C-Calkenyl, C-Calkynyl, C-Ccycloalkyl, C-Ccycloalkenyl, C-Cheterocycloalkyl, C-Cheterocycloalkenyl, 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.

Application of triphenylene derivatives in organic electroluminescent devices

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 (T), and high decomposition temperature (T):  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.

Derivatives having vinyl group and its use in electroluminescent element

The invention provides a light-emission material comprising a compound having Formula (I):  

Light-emission material and organic light-emitting diode including the same

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 X, X, X, and Xcan be identical or different and X, X, X, and Xare independently selected from the group consisting of the following: H, B, N, P&#x2550;O, Si&#x2014;R; and R, R, R, R, R, R, R, R, and Rcan be identical or different and R, R, R, R, R, R, R, R, and Rare independently selected from aryl group or heterocyclic aryl group containing one or more substituents.

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Hsinchu, Taiwan

Ho-Hsiu Chou