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Isolation of cubic SiP in the form of nanocrystals.
Beilstein J Nanotechnol
September 2023
Department of Chemistry, Lomonosov Moscow State University, 1-3 Leninskie Gory, Moscow, Russia.
This article describes an approach for synthesizing silicon phosphide nanoparticles with a defective zinc blende structure under mild conditions through thermal annealing of hydrogenated silicon nanoparticles with red phosphorus. The synthesized SiP nanoparticles were analyzed using FTIR, XRD, electron diffraction, EDX, TEM, Raman spectroscopy, X-ray fluorescence spectrometry, and UV-vis spectrophotometry. For the isolated cubic SiP phase, a cell parameter of = 5.
View Article and Find Full Text PDFDevelopment of Polymeric Micelles of Oleanolic Acid and Evaluation of Their Clinical Efficacy.
Nanoscale Res Lett
June 2020
Department of Bio and Drug Discovery Division, Innovative Target Research Center, Korea Research Institute of Chemical Technology, 141 Gajeongro, Yuseong, Daejeon, 34114, Republic of Korea.
Oleanolic acid has been used only as a subsidiary agent in cosmetic products. The aim of the study is to show the effect of oleanolic acid as an active ingredient for the alleviation of wrinkles in humans and to develop a polymeric micelle formulation that enables poorly soluble oleanolic acid to be used as a main ingredient in cosmetic products for reducing wrinkles. The solubility of oleanolic acid was evaluated in solubilizers, surfactants, and polymers.
View Article and Find Full Text PDFRapid and mass-producible synthesis of high-crystallinity MoSe nanosheets by ampoule-loaded chemical vapor deposition.
Nanoscale
April 2020
School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
MoSe is an attractive transition-metal dichalcogenide with a two-dimensional layered structure and various attractive properties. Although MoSe is a promising negative electrode material for electrochemical applications, further investigation of MoSe has been limited, mainly by the lack of MoSe mass-production methods. Here, we report a rapid and ultra-high-yield synthesis method of obtaining MoSe nanosheets with high crystallinity and large grains by ampoule-loaded chemical vapor deposition.
View Article and Find Full Text PDFManipulating the Temperature of Sulfurization to Synthesize α-NiS Nanosphere Film for Long-Term Preservation of Non-enzymatic Glucose Sensors.
Nanoscale Res Lett
April 2018
Department of Automatic Control Engineering, Feng Chia University, No.100, Wenhwa Rd., Seatwen, Taichung, 40724, Taiwan.
In this study, alpha nickel sulfide (α-NiS) nanosphere films have been successfully synthesized by electroplating the nickel nanosheet film on the indium tin oxide (ITO) glass substrate and sulfuring nickel-coated ITO glass substrate. First, we electrodeposited the nickel nanosheet films on the ITO glass substrates which were cut into a 0.5 × 1 cm size.
View Article and Find Full Text PDFMulti-Layer SnSe Nanoflake Field-Effect Transistors with Low-Resistance Au Ohmic Contacts.
Nanoscale Res Lett
December 2017
Department of Physics, Chung-Ang University, Seoul, 06974, Republic of Korea.
We report p-type tin monoselenide (SnSe) single crystals, grown in double-sealed quartz ampoules using a modified Bridgman technique at 920 °C. X-ray powder diffraction (XRD) and energy dispersive X-ray spectroscopy (EDX) measurements clearly confirm that the grown SnSe consists of single-crystal SnSe. Electrical transport of multi-layer SnSe nanoflakes, which were prepared by exfoliation from bulk single crystals, was conducted using back-gated field-effect transistor (FET) structures with Au and Ti contacts on SiO/Si substrates, revealing that multi-layer SnSe nanoflakes exhibit p-type semiconductor characteristics owing to the Sn vacancies on the surfaces of SnSe nanoflakes.
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