GSアライアンス List of Products and Services

"Silver nanowires" are an ideal alternative to ITO films due to their very high transparency, conductivity, flexibility, stretchability, and significantly lower cost compared to ITO films. They have various technical applications, including touch panels (especially large touch panels), organic LEDs, organic solar cells, various types of solar cells, compound semiconductors, and other fields. The solvent is primarily water, but it can be replaced with various organic solvents upon request. If you have further requests regarding particle size control or adhesion as a coating material, please feel free to consult us. 【Specifications】 ■ Solvent: Water, alcohol, ethylene glycol, etc. ■ Concentration: 0.05 - 2.0% ■ Appearance: Gray suspension ■ Wire width: 60 - 150 nm ■ Wire length: 5 - 30 μm *For more details, please refer to the PDF document or feel free to contact us. *If you would like a paid sample, please inquire.

"Quantum dots" refer to nanoscale semiconductor crystals that possess unique optical properties governed by quantum chemistry and quantum mechanics. It is possible to adjust the bandgap based on the size of the colloidal nanocrystals, resulting in characteristic luminescent properties that depend on particle size. Not only can the emission wavelength be tuned and the spectral half-width be narrow, but they also exhibit high quantum efficiency and the ability to absorb a wide range of wavelengths. Since they can be dispersed in solutions (water and various organic solvents), low-cost printing and coating techniques can be employed. In addition to the bright and vivid coloration of quantum dots, they can emit light across a broad range of wavelengths, and they are characterized by high efficiency, long lifetimes, and high attenuation coefficients, leading to active research and development for various applications. [Applications] ■ Biological imaging ■ Lighting, displays ■ Solar cells ■ Security tags ■ Quantum dot lasers ■ Photonic materials ■ Transistors ■ Thermoelectric materials ■ Quantum computers etc. *Please contact us if you would like to request paid samples.

Thermoelectric power generation is an energy conversion technology that directly generates electricity from temperature differences using solid semiconductor devices. It has unparalleled advantages in terms of being compact, lightweight, having no moving parts, zero emissions, and high reliability. The metal oxide-based thermoelectric materials that our company focuses on are widely integrated into society in the form of ceramics and other materials. Generally, these materials are stable even in high-temperature atmospheres, have low toxicity, and are inexpensive, with established low-cost manufacturing processes, making them advantageous for extensive practical applications. Additionally, for high-temperature regions exceeding 800°C, oxides are superior materials in terms of stability compared to metals. [Oxide-based Thermoelectric Materials] ■ n-type: LaNiO3, CaMnO3 (Ca(Bi･Gd)MnO3), Al doped ZnO ■ p-type: NaCoO2, Ca3Co2O6, Ca3Co4O9, [Ca2CoO3]0.62, [CoO2], NaCo2O4, etc. *For more details, please refer to the PDF document or feel free to contact us. *If you would like paid samples, please inquire.

Our company has developed "oxide nanoparticles" and "nanocolloids" by utilizing the synthesis of organic and inorganic materials, as well as the manufacturing technology for particle dispersion in both powder and wet forms, which we have cultivated over many years in the research and development of organic pigments and functional materials. It is known that when the size of metals, semiconductors, or oxides enters the nanoscale, they exhibit different physical and chemical properties compared to bulk materials. By applying these properties, we expect to see applications in various fields, including nanostructure modifiers for ceramics, thin film synthesis, coatings, and in the biomedical field for drug delivery, new contrast agents, and artificial tissues. 【Functions Different from Bulk Materials】 ■ Quantum size effect ■ Miniaturization of devices ■ Increased reactivity due to increased specific surface area ■ Improved solubility and diffusion rates ■ Enhanced memory functions, etc. *For more details, please refer to the PDF document or feel free to contact us. *If you would like a paid sample, please inquire.

"Solid acid catalysts" are widely used in petroleum refining and organic synthesis. Currently, p-toluenesulfonic acid, camphorsulfonic acid, and sulfuric acid are utilized, but these are generally assumed to be discarded, and even if recovered, it is labor-intensive. Our developed "carbon-based solid acid catalyst" can be recovered through filtration and shows a very large catalytic effect compared to other solid acid catalysts. [Features] - Widely applied in petroleum refining and organic synthesis - Recoverable through filtration - Very large catalytic effect compared to other solid acid catalysts - Relatively low cost *For more details, please refer to the PDF document or feel free to contact us. *If you would like a paid sample, please inquire.

GS Alliance is a chemical company that primarily researches, develops, manufactures, and sells advanced materials for the environment and energy sectors. This document introduces materials for solid oxide fuel cells (SOFC), including "cathode, solid electrolyte, anode materials" and "interconnect materials, sealing materials." [Contents (Cathode, Solid Electrolyte, Anode Materials)] ■ Powder (bulk) ■ Printing inks, pastes (adjustable particle size, electrode, solid electrolyte concentration viscosity, water, organic solvents, etc.) ■ Pellets, discs (10mm, 14mm, 20mm, 50mm, etc.) ■ Synthesis of electrodes and solid electrolytes of oxides not listed * For more details, please refer to the PDF document or feel free to contact us. * If you would like paid samples, please inquire.

"Metal-organic frameworks and porous coordination polymers" are porous materials obtained through the self-assembly of metal ions and organic ligands. By bridging the metal ions, which serve as nodal points, with organic ligands, a framework structure is constructed, and the voids within this framework act as spaces for molecular incorporation, resulting in a very large surface area. Porous materials have been a factor hindering the research and development of highly functional and multifunctional porous materials that coexist with multiple pore functions. In this regard, metal-organic frameworks have made it possible to construct very complex structures and exhibit higher-order functions by precisely incorporating coordination bonds into molecular design, regardless of infinite or finite (crystalline or solution) structures. [Features] ■ Porous materials obtained through the self-assembly of metal ions and organic ligands ■ Voids within the framework act as spaces for molecular incorporation ■ Not limited to infinite or finite (crystalline or solution) structures ■ Capable of constructing very complex structures and exhibiting higher-order functions ■ A wide range of applications is expected, including gas storage, selective storage of molecules and ions, electrolytes, and sensors *If you would like a paid sample, please contact us.

Our company has developed metal nanocolloids (silver, gold, platinum) in the FUJI SP Ag, Au, Pt series by utilizing our long-standing expertise in the synthesis of organic and inorganic materials, as well as our manufacturing technology for fine particle dispersions in both powder and wet forms, cultivated through years of experience with organic pigments and functional materials. "Metal nanocolloids" exhibit properties that differ from bulk metals in terms of optical, electronic, magnetic, and catalytic characteristics. Additionally, we are introducing "silver nanocolloids," which have significantly enhanced charge properties and high antibacterial effects, as well as "gold nanocolloids" and "platinum nanocolloids." 【Product Lineup】 ■ Metal Nanocolloids ■ Silver Nanocolloids ■ Gold Nanocolloids ■ Platinum Nanocolloids *For more details, please refer to the PDF document or feel free to contact us. *If you would like paid samples, please inquire.

"Perovskite-type quantum dots" are products that have crystallized perovskite-type compounds into nanocrystals. In display applications, quantum dots such as CdSe/ZnS and InP/ZnS are gradually being commercialized, but the strong toxicity of Cd and the rarity of In are problematic. Additionally, the synthesis of InP/ZnS requires an environment that completely blocks O2 and H2O, and issues regarding the chemical stability and durability of InP remain. From this perspective, we developed our "perovskite-type quantum dots." They have adjustable emission wavelengths and a narrow emission spectrum (full width at half maximum), which gives them great potential in areas such as displays, lasers, LEDs, solar cells, and medical biomarkers. [Features] ■ Quantum yield is approximately 50-90% ■ Emission wavelength is adjustable ■ Emission spectrum (full width at half maximum) is narrow at 18nm-39nm *For more details, please refer to the PDF document or feel free to contact us. *If you would like paid samples, please inquire.

Due to reasons such as the simplicity of the manufacturing method and the low cost of module materials, dye-sensitized solar cells and perovskite solar cells are gaining attention. In these dye-sensitized solar cells and perovskite solar cells, the differences in the manufacturing methods of titanium dioxide thin films, which is one of the main materials for the negative electrode, significantly affect the morphology of the thin films, the electronic structure of TiO2, surface states, and consequently the light-to-energy conversion efficiency. We provide this printable TiO2 paste, other oxide pastes (including n-type and p-type semiconductors), conductive carbon for the counter electrode, carbon nanotube ink, and the perovskite precursor "Methyl Ammonium Iodide (MAI)," among others. *For more details, please refer to the PDF document or feel free to contact us. *If you would like paid samples, please inquire.

GS Alliance is a chemical company that primarily researches, develops, manufactures, and sells advanced materials for the environment and energy sectors. This document introduces the lithium-ion battery electrodes and solid electrolyte materials that we handle. We also accept contract synthesis of oxide battery materials not listed in the publication. 【Available Forms】 ■ Powders, inks, printing pastes (particle size, electrode, solid electrolyte concentration, viscosity, and types of aqueous and organic solvents can be adjusted) ■ Precious metal doping ■ Please consult us for electrodes and solid electrolytes not listed in the table. *For more details, please refer to the PDF document or feel free to contact us. *If you would like paid samples, please inquire.

"Graphene quantum dots" are quantum dots that emit light in the near-infrared to visible and ultraviolet light regions, with sizes ranging from a few to several tens of nanometers. They are non-toxic and can be utilized in various applications such as bioimaging (imaging of cancer cells, antigen-antibody reactions, protein analysis, cell tracking), infrared sensors, and solar cells. 【Features】 ■ Emits light (fluorescence) in the near-infrared to visible and ultraviolet light regions ■ Size ranges from a few to several tens of nanometers ■ Quantum yield: 50-80% ■ Upconversion phenomenon (two-photon absorption: converting long-wavelength light to short-wavelength light) ■ Aqueous system (organic solvent system under consideration) ■ Non-toxic quantum dots (carbon-based materials) *For more details, please refer to the PDF document or feel free to contact us. *If you would like a paid sample, please inquire.

The "Carbon Alloy Catalyst (CAC)" demonstrates high oxygen reduction catalytic activity without the use of platinum, making it a platinum catalyst alternative that can contribute to reducing the cost of fuel cells. It can be utilized as an electrode catalyst for the cathodes of fuel cells and air batteries, as well as in automotive exhaust catalysts and selective oxidation catalysts for benzyl alcohol. These catalysts typically require a large amount of platinum; however, since platinum is an expensive resource concentrated in specific regions, the development of low-cost, easily procurable platinum alternative catalysts can have a significant impact on the widespread adoption of fuel cells. [Features] ■ Platinum alternative catalyst ■ Low-cost and easily procurable ■ Contributes to reducing product costs *For more details, please refer to the PDF document or feel free to contact us. *If you would like a paid sample, please inquire.

The "FUJI IL Series" is an ionic liquid that is gaining attention as a new material. It remains liquid over a wide temperature range, making it suitable for use in both high and low temperature environments. As a conductive liquid that allows electricity to flow, it can also be used in electrochemical devices and antistatic applications. Additionally, it is thermally, chemically, and electrochemically stable, which makes it promising for applications in harsh conditions. Furthermore, it can dissolve insoluble substances such as cellulose, allowing for various applications. 【Features】 ■ Usable in high and low temperature environments ■ Usable in electrochemical devices and antistatic applications ■ Thermally, chemically, and electrochemically stable ■ Usable under vacuum conditions ■ Highly safe due to its flame-retardant properties ■ Can dissolve insoluble substances such as cellulose *For more details, please refer to the PDF document or feel free to contact us. *If you would like a paid sample, please inquire.

"Silicon quantum dots" are products that have established a commercially viable production process at relatively low cost. They are non-toxic and environmentally friendly, with applications ranging from silicon-based solar cells to medical applications such as bioimaging, photonic materials, and quantum dot computers. They have the potential to enable the creation of lightweight, thin, and flexible silicon-based semiconductor devices and functional devices like displays through printing methods. [Features] - Sizes ranging from a few angstroms to several nanometers - Quantum yield of 20-30% (considering further improvements in quantum yield) - Water-based (organic solvent-based silicon quantum dots are under consideration) - Simultaneous emission of visible and infrared light - Non-toxic and environmentally friendly quantum dots (silicon-based) *For more details, please refer to the PDF document or feel free to contact us. *If you would like paid samples, please inquire.

"Cellulose nanofiber (nano cellulose)" is a type of nanofiber that is one-fifth the weight of steel and has a strength 7 to 8 times greater, with a width of 4 to 20 nm. Its coefficient of linear thermal expansion (the degree of expansion and contraction due to temperature changes) is as small as that of glass fibers, and its elasticity is higher than that of glass fibers (meaning it is hard and durable), giving it excellent properties. Additionally, being plant-derived, it has a low environmental impact similar to paper and is a material with excellent recyclability. It can be made from almost all wood biomass resources available on Earth, making it a very abundant material. With such a variety of excellent characteristics, this fiber is gaining attention as a next-generation large-scale industrial material or green nano material, and active research and development have been conducted in recent years. [Features] - Lightweight and strong - Transparency - Low thermal expansion coefficient - Abundant material resources - Low material cost - Recyclable and highly biodegradable *For more details, please refer to the PDF document or feel free to contact us. *If you would like a paid sample, please inquire.

The "GS BIO HAP Series" consists of inks, slurries, and pastes based on hydroxyapatite. Both water and organic solvents can be used as solvents. Additionally, by combining with silver nanocolloids and photocatalytic materials, it is also possible to create highly effective photocatalytic material coating inks. 【Features】 ■ Inks, slurries, and pastes can be created ■ Both water and organic solvents can be used as solvents ■ Concentrations of resins, additives, pigments, and particle sizes can also be adjusted ■ We can accommodate requests for compositions that improve adhesion ■ It is also possible to create highly effective photocatalytic material coating inks * For more details, please refer to the PDF document or feel free to contact us. * If you would like a paid sample, please inquire.

"Chitin Nanofiber/Chitosan Nanofiber" is a translucent, gel-like substance that is uniformly dispersed in water. Therefore, unlike conventional chitin and chitosan, it can be mixed as a functional ingredient in food, beverages, cosmetics, and pharmaceuticals. By taking it, various effects have been reported, such as alleviating inflammation by suppressing the production of substances related to inflammation and inhibiting the rise in cholesterol and lipid concentrations in the blood, making it a wonderful new material with great potential. Please feel free to consult us for any technical details or inquiries. [Applications] ■ Increases skin moisture levels ■ Reduces inflammation in wounds and promotes tissue regeneration ■ Expands the epithelium and promotes tissue growth in healthy skin ■ Protects the skin from external stimuli ■ Has a hair growth-promoting effect *For more details, please refer to the PDF materials or feel free to contact us. *If you would like a paid sample, please inquire.

The "GS ASL CNT/GS SP CNT series" is a conductive dispersion ink that disperses multi-wall carbon nanotubes in organic solvents or water. It demonstrates excellent performance in stability within the medium resistance range with a small amount of additive. Additionally, we can accommodate requests for alternatives to organic solvents. Furthermore, by combining with other additives, it is possible to adjust resistance values and transmittance characteristics. For more details, please contact us. 【Features】 ■ Disperses multi-wall carbon nanotubes in organic solvents or water ■ Exhibits excellent performance in stability within the medium resistance range with a small amount of additive ■ Can accommodate requests for alternatives to organic solvents ■ Resistance values and transmittance characteristics can be adjusted by combining with other additives * For more details, please refer to the PDF document or feel free to contact us. * If you would like a paid sample, please contact us.

In recent years, the issue of environmental destruction caused by plastic waste has become increasingly serious, particularly the problem of microplastics in the oceans, which is reaching a catastrophic level that threatens ecosystems worldwide. From this perspective, our company is producing various types of "biodegradable materials." In particular, this material can be made using raw materials such as wood, bamboo, and waste wood. We also offer grades made from 100% naturally derived biodegradable components. 【Product Characteristics】 ■Tensile Strength: 30-33 MPa *For more details, please refer to the PDF document or feel free to contact us. *If you would like a paid sample, please inquire.

In recent years, the issue of environmental destruction caused by plastic waste has become increasingly serious, particularly the problem of microplastics in the oceans, which is reaching a catastrophic level that threatens ecosystems worldwide. From this perspective, our company is producing various types of "biodegradable materials." In particular, this material can be made using raw materials such as paper, waste paper, recycled paper, cardboard, and newspaper. We also offer grades made from 100% natural biodegradable components. 【Product Characteristics】 ■Tensile Strength 　Type 1: 26-32 MPa 　Type 2: 57-67 MPa *For more details, please refer to the PDF document or feel free to contact us. *If you would like a paid sample, please inquire.

In recent years, the problem of environmental destruction caused by plastic waste has become increasingly serious, and particularly the issue of microplastics in the oceans is reaching a catastrophic level that is destroying ecosystems globally. In response to such problems, there is a demand for biodegradable plastics, especially those that can decompose in marine environments. From this perspective, our company has successfully developed a "biodegradable plastic" based on starch. Additionally, we also offer grades made from 100% naturally derived biodegradable components for all other constituents besides starch. 【Product Characteristics】 ■ Tensile Strength: 12 - 24 MPa *For more details, please refer to the PDF document or feel free to contact us. *If you would like a paid sample, please get in touch.

"Color Masterbatch" is a coloring agent for plastics. It utilizes cellulose nanofibers, which provides strength. In the future, we will also create products using other biodegradable resins and combinations of multiple colors. Please feel free to consult us anytime regarding your resin and color requests. 【Features】 ■ Cellulose nanofiber composite biodegradable resin ■ Excellent strength ■ Available in a total of 7 colors *For more details, please refer to the PDF document or feel free to contact us. *If you would like a paid sample, please inquire.

As "solid catalysts" and "solid acid catalysts," there are zeolites, heteropoly acids, mesoporous materials, sulfuric acid-treated zirconia, and sulfuric acid-treated carbon, among others. We have already developed carbon-based solid acid catalysts, but their activity has not been very high, making practical application difficult. Additionally, other well-known solid acid catalysts such as Nafion and Amberlyst are also recognized, but the high cost of these materials is a challenge. The metal-organic framework type solid catalyst and solid acid catalyst we have developed this time has been confirmed to demonstrate catalytic effects comparable to other solid acid catalysts in esterification reactions, aiming to provide a low-cost product that can be industrially applied, in contrast to expensive solid acid catalysts like Nafion and Amberlyst. *For more details, please refer to the PDF materials or feel free to contact us.*

Metal-organic frameworks (MOFs), also known as porous coordination polymers, are materials composed of metal cations and multi-dentate ligands that bridge them. By controlling the metals and organic ligands used in their construction, it is possible to precisely adjust the shape, size, and molecular functional groups of the pores at the molecular level, resulting in ultra-porous materials. Recently, we confirmed that a type of MOF synthesized in-house can be converted into inkjet ink and printed onto ordinary paper and film using a simple home printer. Our group company, Fujishikiso Co., Ltd., has been engaged in research and development, as well as manufacturing and sales of inkjet inks for several decades, possessing technology to convert various organic and inorganic pigments into inkjet inks. This time, we applied that expertise to the inkjet ink formulation of MOFs. Utilizing the company's technology for dispersing nanosized particles in liquid, we have developed inkjet inks based on water, various organic solvents, and various UV-curable resin bases. For this occasion, we created an inkjet ink with an average particle size of approximately 100-180 nm for the MOF as a water-based ink. *For more details, please refer to the PDF document or feel free to contact us.*

Photosynthesis is the process by which plants absorb CO2 and, with the help of sunlight, produce oxygen and starch. However, in reality, not all sunlight is utilized; particularly, blue and red light are effective for photosynthesis and plant growth. At our company, we synthesize various quantum dots and quantum dot composite materials, and we have developed a quantum dot film that converts ultraviolet and short-wavelength blue light into red light. This allows for the utilization of more red wavelengths of light from sunlight, which is expected to accelerate the growth of plants and crops. 【What are Quantum Dots?】 - They are substances with ultra-fine particle sizes ranging from 0.5 to 9 nm, exhibiting optical properties that follow the laws of quantum chemistry and quantum mechanics. - They are artificially synthesized substances that are so small, consisting of tens to thousands of molecules, that they are also referred to as artificial molecules. - Due to a physical phenomenon known as quantum confinement effect, energy levels are separated and isolated. *For more details, please refer to the PDF materials or feel free to contact us.

We would like to introduce our "Cathode Materials for Lithium-Ion Batteries." Our product is synthesized from black mass extracted from discarded lithium-ion batteries. It does not use any highly toxic chemicals such as strong acids, utilizes recycled materials, and employs a non-toxic and cost-effective synthesis method, making it an environmentally friendly and sustainable cathode material derived from black mass. 【Features】 ■ Synthesized from black mass extracted from discarded lithium-ion batteries ■ Does not use any highly toxic chemicals such as strong acids ■ Utilizes recycled materials *For more details, please refer to the PDF document or feel free to contact us.