Abstract:
PROBLEM TO BE SOLVED: To provide a copper/indium/gallium/selenium(CIGS)-based or copper/zinc/tin/sulfur(CZTS)-based thin film solar cell in which peeling phenomenon does not take place between thin film layers, and improved durability and photoelectric conversion efficiency are ensured while controlling the change of a back electrode layer molybdenum into molybdenum diselenide.SOLUTION: In a CIGS-based or CZTS-based thin film solar cell including a back electrode layer 200 and a light absorption layer 300, composition of the light absorption layer is CuInGa(SSe)(0.85≤x
Abstract:
PROBLEM TO BE SOLVED: To provide a catalyst which may improve sulfur poisoning tolerance characteristics while improving the de-NOx efficiency at temperatures in a wide range from low temperatures to high temperatures.SOLUTION: Provided is a catalyst comprising: a support including titanium oxide; an active catalyst component including vanadium oxide; and a co-catalyst including antimony and cerium, in which the catalyst is included in a de-NOx reduction reaction that decomposes nitrogen oxide.
Abstract:
PROBLEM TO BE SOLVED: To provide a method in which densifying and large area making sinter can be performed even at a low temperature sinter temperature such as an insite sinter process for large area making and cost reduction of a ceria-based composite electrolyte.SOLUTION: There are provided a ceria-based composition which comprises ceria or metal doped ceria, and bismuth oxide or metal doped bismuth oxide, and at least includes metal doped ceria and/or metal doped bismuth oxide, where the bismuth oxide or the metal doped bismuth oxide of 10 wt.% or more and less than 50 wt.% is included in the total composition, a ceria-based composite electrolyte powder, and a sinter method of the same, and a sinter body of the same. Even at low temperature for example at most 1000°C far from an existing sinter temperature for example 1400°C, a high composite sinter density can be secured, and ionic conductivity of the composite electrolyte can be raised.
Abstract:
PROBLEM TO BE SOLVED: To provide superparamagnetic nanoparticles having a high surface charge, a uniform particle size and excellent water-dispersibility and a method for producing the same, namely, superparamagnetic nanoparticles exhibiting a small hydrodynamic size of 20 nm or less and a monodispersed distribution and a method for producing the same.SOLUTION: A superparamagnetic nanoparticle comprises: superparamagnetic nanocrystals of 20 nm or less in size; and molecules having 3 to 5 carboxyl groups and bonded to surfaces of the superparamagnetic nanocrystals. A method for producing the superparamagnetic nanoparticles includes the steps of: preparing an alkaline solution with pH 10 to 14; producing a mixed solution in which the molecules containing 3 to 5 carboxyl groups, a divalent transition metal and ferric precursors are dissolved; and adding the mixed solution into the alkaline solution.
Abstract:
PROBLEM TO BE SOLVED: To provide a beam scanning system that detects a bio-substance including cancer and microbes based on a beam scanning using a supercontinuum light source and optical phased array.SOLUTION: The beam scanning system includes: a light source that generates and emits supercontinuum light beam; an optical element that receives the supercontinuum light beam and guides it to at least two paths; and a voltage supply portion that variably supplies a voltage to one of the paths, and changes the phase of light beam guided to the path.
Abstract:
A novel and improved method for simultaneously producing 2,4,6-trisilaheptane of the following formula (I) and 1,3-disilabutane of the following formula (II), which are the starting material essential for forming silicon polymers: wherein, R is methyl group or chloro group. (I) (II) The method is characterized by reacting silicon and chloromethylsilanes of the following formula (III) at 250 DEG C.-350 DEG C. and in the presence of copper as a catalyst, exclusively or together with cadmium powder as a co-catalyst. (III)
Abstract:
A polycyanamide compound represented by the general formula (I): (II) wherein A is X is an integer ranging from 10 to 30. This polycyanamide compound of the formula (I) is a photoelectric material and, in this respect, can be used for photovoltaic cells, macromolecular cells and functional elements such as photo sensors.
Abstract:
A "microtuberogenic" form of potatoes can give potato microtubers, e.g. of the "Superior" variety, which can give crop yields comparable with those for natural seed potatoes.
Abstract:
A process for preparing para-aminophenol from nitrobenzene by utilizing electrochemical synthesizing method in high yield for dissolution or dispersion of nitrobenzene in electrolytic bath in which working electrodes are constituted with multi-rotating disk electrode having a plurality of disk electrode and solid polymer electrolyte electrode.
Abstract:
Multi-rotating disk electrode and solid polymer electrolyte electrode type electrolytic bath in which surface area augment of electrode and agitation of solution are improved by multi-RDE while migration of reaction material and produced material toward other chamber is prevented by utilizing SPE electrode, whereby exhibiting high reaction yield under low electrolytic voltage. The invention is constituted such that multi-RDE electrode formed by stacking alternately circular shaped large RDEs and small RDEs, and SPE electrode combined with electrically conductive material such as metal in single layer or multiple layers on SPE surface, are simultaneously provided. According to the invention, higher reaction yield can be obtained than any other electrolytic synthesizing method as well as electrolytic bath.