scholarly journals Eco-friendly, solution-processable and efficient low-energy lighting phosphors: copper halide based hybrid semiconductors Cu4X6(L)2 (X = Br, I) composed of covalent, ionic and coordinate bonds

2020 ◽  
Vol 8 (47) ◽  
pp. 16790-16797
Author(s):  
Xiuze Hei ◽  
Simon J. Teat ◽  
Wei Liu ◽  
Jing Li
Keyword(s):  
High Efficiency ◽  
Low Energy ◽  
Promising Candidate ◽  
Copper Halide ◽  
Energy Emission ◽  
Hybrid Semiconductors ◽  
Solution Processable

We have developed a series of AIO-type copper halide hybrid semiconductors. The low-energy emission and high efficiency, coupled with good solution processability make these compounds promising candidate as robust and eco-friendly lighting phosphors.

scholarly journals All-in-one: a new approach toward robust and solution-processable copper halide hybrid semiconductors by integrating covalent, coordinate and ionic bonds in their structures

2021 ◽  
Author(s):  
Xiuze Hei ◽  
Jing Li
Keyword(s):  
Photophysical Properties ◽  
Structural Diversity ◽  
Copper Halide ◽  
New Approach ◽  
Hybrid Semiconductors ◽  
Potential Applications ◽  
Ionic Bonds ◽  
Solution Processable

This Perspective features the newly emerged AIO-type Cu(i)X-based hybrid semiconductors and showcases their structural diversity, solution-processability, framework stability, important photophysical properties and related potential applications.

A Study on the Use of Bipolar-Particles-Electrodes in Decolorization of Dyeing Effluents and Its Principle

1987 ◽  
Vol 19 (3-4) ◽  
pp. 391-400 ◽  
Author(s):  
Zhou Ding ◽  
Cai Wei Min ◽  
Wang Qun Hui
Keyword(s):  
Energy Consumption ◽  
High Efficiency ◽  
Low Energy ◽  
Acid Dyes ◽  
Underlying Principle ◽  
Low Energy Consumption ◽  
Transparent Liquid

This paper studies the use of bipolar-particles-electrodes in the decolorization of dyeing effluents. Treatment of highly colored solutions of various soluble dyes (such as direct, reactive, cationic or acid dyes) and also samples of dyeing effluents gave rise to an almost colorless transparent liquid, with removal of CODcr and BOD5 being as high as over 80%. The method is characterized by its high efficiency, low energy consumption and long performance life. A discussion of the underlying principle is given.

New hole transport styrene polymers bearing highly π-extended conjugated side-chain moieties for high-performance solution-processable thermally activated delayed fluorescence OLEDs

2021 ◽  
Vol 12 (11) ◽  
pp. 1692-1699
Author(s):  
Ji Hye Lee ◽  
Jinhyo Hwang ◽  
Chai Won Kim ◽  
Amit Kumar Harit ◽  
Han Young Woo ◽  
...  
Keyword(s):  
High Performance ◽  
High Efficiency ◽  
Delayed Fluorescence ◽  
Hole Transport ◽  
Side Chain ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Turn On ◽  
Solution Processable

New polystyrene-based polymers with high π-extended hole transport pendants were synthesized to obtain a low turn-on voltage and high efficiency in solution-processed green TADF-OLEDs.

scholarly journals Combination of Dual-Energy X-ray Transmission and Variable Gas-Ejection for the In-Line Automatic Sorting of Many Types of Scrap in One Measurement

2021 ◽  
Vol 11 (10) ◽  
pp. 4349
Author(s):  
Tianzhong Xiong ◽  
Wenhua Ye ◽  
Xiang Xu
Keyword(s):  
High Efficiency ◽  
Nearest Neighbor ◽  
High Energy ◽  
Dual Energy ◽  
Center Of Gravity ◽  
Low Energy ◽  
Identification Accuracy ◽  
Flow Process ◽  
X Ray ◽  
Automatic Sorting

As an important part of pretreatment before recycling, sorting has a great impact on the quality, efficiency, cost and difficulty of recycling. In this paper, dual-energy X-ray transmission (DE-XRT) combined with variable gas-ejection is used to improve the quality and efficiency of in-line automatic sorting of waste non-ferrous metals. A method was proposed to judge the sorting ability, identify the types, and calculate the mass and center-of-gravity coordinates according to the shading of low-energy, the line scan direction coordinate and transparency natural logarithm ratio of low energy to high energy (R_value). The material identification was satisfied by the nearest neighbor algorithm of effective points in the material range to the R_value calibration surface. The flow-process of identification was also presented. Based on the thickness of the calibration surface, the material mass and center-of-gravity coordinates were calculated. The feasibility of controlling material falling points by variable gas-ejection was analyzed. The experimental verification of self-made materials showed that identification accuracy by count basis was 85%, mass and center-of-gravity coordinates calculation errors were both below 5%. The method proposed features high accuracy, high efficiency, and low operation cost and is of great application value even to other solid waste sorting, such as plastics, glass and ceramics.

Preparation of Poly(Lactic Acid) Acrylate for UV-Curable Coating Applications

2015 ◽  
Vol 659 ◽  
pp. 570-574 ◽  
Author(s):  
Apinya Musidang ◽  
Nantana Jiratumnukul
Keyword(s):  
Lactic Acid ◽  
Physical Properties ◽  
High Efficiency ◽  
Low Energy ◽  
Poly Lactic Acid ◽  
Coating Film ◽  
Pencil Hardness ◽  
Uv Curable ◽  
Low Energy Consumption ◽  
Volatile Organic

UV-curable process is widely used for paints, inks and adhesives due to its rapid curing, low energy consumption, high efficiency and low volatile organic compounds (VOCs). The objective of this research is to prepare poly(lactic acid) (PLA) based UV-curable coating by using glycolyzed PLA. PLA was glycolyzed by ethylene glycol (EG) at 170°C for 90 minutes. The obtained glycolyzed PLA was reacted with methacrylic anhydride (MAAH) to provide PLA acrylate oligomer. The obtained PLA acrylate oligomer was used in coating formulations with various amounts of photoinitiator and cured under UV radiation. Physical properties of cured coating film were investigated such as pencil hardness, gloss and haze. The results showed that poly(lactic acid) (PLA) based UV-curable coating provided good physical properties.

Rubidium Fluoride Assisted High-efficiency Cu2(Zn,Cd)SnS4 Solar Cells by Co-evaporation/annealing Method

2021 ◽  
Author(s):  
Shijin Wang ◽  
Lan Huang ◽  
Zi Ye ◽  
Lan Zhong ◽  
Guilin Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Efficiency ◽  
Promising Candidate ◽  
Light Absorbers ◽  
Annealing Method

Recently, kesterite Cu2ZnSnS4 (CZTS) has been regarded as a promising candidate for future light absorbers due to its excellent photovoltaic potentials. To further improve the efficiency of associated solar cells,...

Molecular Design of Unsymmetrical Squaraine Dyes for High Efficiency Conversion of Low Energy Photons into Electrons Using TiO2Nanocrystalline Films

2009 ◽  
Vol 19 (17) ◽  
pp. 2720-2727 ◽  
Author(s):  
Thomas Geiger ◽  
Simon Kuster ◽  
Jun-Ho Yum ◽  
Soo-Jin Moon ◽  
Mohammad K. Nazeeruddin ◽  
...  
Keyword(s):  
High Efficiency ◽  
Molecular Design ◽  
Low Energy ◽  
Squaraine Dyes ◽  
Efficiency Conversion

Using phosphorescent PtAu3 clusters for superior solution-processable organic light emitting diodes with very small efficiency roll-off

2018 ◽  
Vol 6 (33) ◽  
pp. 8966-8976 ◽  
Author(s):  
Nagarajan Natarajan ◽  
Lin-Xi Shi ◽  
Hui Xiao ◽  
Jin-Yun Wang ◽  
Li-Yi Zhang ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Quantum Yields ◽  
Light Emitting ◽  
Cluster Complexes ◽  
Organic Light ◽  
Solution Processable

Tetraphosphine-supported PtAu3 cluster complexes display intense phosphorescence with quantum yields of over 90% in doped films. High-efficiency solution-processable OLEDs are successfully achieved with extremely small EQE roll-off at a practical brightness over 1000 cd m−2.

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