An Air‐ and Water‐Stable B 4 N 4 ‐Heteropentalene Serving as a Host Material for a Phosphorescent OLED

2021 ◽  
Author(s):  
Junki Kashida ◽  
Yoshiaki Shoji ◽  
Yasuhiro Ikabata ◽  
Hideo Taka ◽  
Hayato Sakai ◽  
...  
Keyword(s):  
Host Material

scholarly journals Yttrium Oxide Nanoparticle Synthesis: An Overview of Methods of Preparation and Biomedical Applications

2021 ◽  
Vol 11 (5) ◽  
pp. 2172
Author(s):  
Govindasamy Rajakumar ◽  
Lebao Mao ◽  
Ting Bao ◽  
Wei Wen ◽  
Shengfu Wang ◽  
...  
Keyword(s):  
Yttrium Oxide ◽  
Metal Oxide Nanoparticles ◽  
Sol Gel ◽  
Antioxidant Properties ◽  
Nanoparticle Synthesis ◽  
Synthetic Methods ◽  
Host Material ◽  
Solid State Reactions ◽  
Oxide Nanoparticles ◽  
Advantages And Disadvantages

Metal oxide nanoparticles demonstrate uniqueness in various technical applications due to their suitable physiochemical properties. In particular, yttrium oxide (Y2O3) nanoparticle is familiar for technical applications because of its higher dielectric constant and thermal stability. It is widely used as a host material for a variety of rare-earth dopants, biological imaging, and photodynamic therapies. Y2O3 has also been used as a polarizer, phosphor, laser host material, and in the optoelectronic fields for cancer therapy, biosensor, and bioimaging. Yttrium oxide nanoparticles have attractive antibacterial and antioxidant properties. This review focuses on the promising applications of Y2O3, its drawbacks, and its modifications. The synthetic methods of nanoparticles, such as sol-gel, emulsion, chemical methods, solid-state reactions, combustion, colloid reaction techniques, and hydrothermal processing, are recapitulated. Herein, we also discuss the advantages and disadvantages of Y2O3 NPs based biosensors that function through various detection modes including colorimetric, electrochemistry, and chemo luminescent regarding the detection of small organic chemicals, metal ions, and biomarkers.

Host dependent electrocatalytic hydrogen evolution of Ni/TiO2 composites

2021 ◽  
Author(s):  
Peng Zhou ◽  
Shuhua Wang ◽  
Guangyao Zhai ◽  
Xingshuai Lv ◽  
Yuanyuan Liu ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Host Material ◽  
Promotion Effect

The result shows that there is a stronger interaction between Ni and TiO2 when Ni is the host material compared with that with TiO2 as the host material. And the former displays a more obvious promotion effect on the HER performance.

Laboratory Investigation of Pavement Backfilling Materials for Micro-Trenching in Cold Regions

2018 ◽  
Vol 2672 (12) ◽  
pp. 62-71
Author(s):  
Leila Hashemian ◽  
Vinicius Afonso Velasco Rios ◽  
Alireza Bayat
Keyword(s):  
Laboratory Investigation ◽  
Dynamic Modulus ◽  
Laboratory Tests ◽  
Hot Mix Asphalt ◽  
Cement Grout ◽  
Host Material ◽  
High Quality ◽  
Cold Temperatures ◽  
Asphalt Mixes ◽  
Freeze Thaw

This study investigated the performance of different materials in a micro-trench composite backfilling design. Laboratory tests were conducted to evaluate the effect of cold temperatures and freeze/thaw cycles on a cement grout and seven preparatory cold asphalt mixes. To compare the performance of cold mix asphalt and epoxy grout with hot mix asphalt as the host material, rutting tests and dynamic modulus tests at different loading frequencies and temperatures were conducted. Finally, laboratory scale micro-trench samples were prepared using different backfilling materials and were loaded using a wheel tracker after freeze/thaw conditioning. The results showed that cement grout could effectively be used to secure the conduit inside the trench. It was also concluded that using high-quality cold mix asphalt, a compatible material with hot mix asphalt, could improve micro-trench durability compared with epoxy grout.

New structure host material for phosphorescent OLED devices

2021 ◽  
Vol 716 (1) ◽  
pp. 69-75
Author(s):  
D. Blazevicius ◽  
G. Krucaite ◽  
D. Tavgeniene ◽  
R. Griniene
Keyword(s):  
Host Material

Magnesium aluminosilicate glasses as potential laser host material for ultrahigh power laser systems

2013 ◽  
Vol 1 (33) ◽  
pp. 5031 ◽  
Author(s):  
Mirko Tiegel ◽  
Andreas Herrmann ◽  
Christian Rüssel ◽  
Jörg Körner ◽  
Diethard Klöpfel ◽  
...  
Keyword(s):  
Host Material ◽  
Power Laser ◽  
Aluminosilicate Glasses ◽  
Laser Systems

Low-Temperature Fluorination Route to Lanthanide-Doped Monoclinic ScOF Host Material for Tunable and Nearly Single Band Up-Conversion Luminescence

2014 ◽  
Vol 118 (19) ◽  
pp. 10314-10320 ◽  
Author(s):  
Yonggang Wang ◽  
Ting Wen ◽  
Huina Zhang ◽  
Jing Sun ◽  
Miao Zhang ◽  
...  
Keyword(s):  
Low Temperature ◽  
Single Band ◽  
Host Material

scholarly journals Host selection by Microplectron fuscipennis , Zett. (Chalcididae, Hymenoptera)

1936 ◽  
Vol 120 (817) ◽  
pp. 253-291 ◽  
Keyword(s):  
Physical Environment ◽  
Host Selection ◽  
Present Writer ◽  
Host Material ◽  
Stage Larva ◽  
European Species

Microplectron fuscipennis , Zett., appears to be restricted for its host material to the European species of the Tenthredinid genus Diprion , Schrank. It has been recorded from D. sertifer , Geoffr., D. pini , L., D. pallidus , Kl., and, recently, from D. polytomum , Htg. The resting stage larva within the cocoon is attacked, oviposition occurring after the host has been paralysed. The present paper is an account of part of a more extensive programme of work on Microplectron which is being undertaken in view of the promising nature of the parasite and of its introduction into Canada. The biology of the species has been dealt with by Morris and Cameron (1935) and its reactions to changes in the physical environment by the present writer (Ullyett, 1936).

SnSe2 monolayer is a promising Na host material: A DFT study

2021 ◽  
Vol 136 ◽  
pp. 106175
Author(s):  
Mehwish Khalid Butt ◽  
Van An Dinh ◽  
Hafiz Muhammad Zeeshan ◽  
Zhao Yang ◽  
Shuanhu Wang ◽  
...  
Keyword(s):  
Dft Study ◽  
Host Material
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