Electronics & Semiconductors

Welcoming composite inks into the fold

A screen-printing approach to creating foldable circuits could make many functional devices easier and cheaper to mass produce.

Electronics & Semiconductors

New 3D-printing ink used to create tiny thermo-generators

A team of researchers working at the Ulsan National Institute of Science and Technology has created a new type of ink that can be used to print tiny 3D generators. In their paper published in the journal Nature Electronics, ...

Electronics & Semiconductors

Researchers demonstrate fully recyclable printed electronics

Engineers at Duke University have developed the world's first fully recyclable printed electronics. By demonstrating a crucial and relatively complex computer component—the transistor—created with three carbon-based inks, ...

Engineering

A simple way to turn 2D drawings into 3D objects

A team of researchers affiliated with several institutions in South Korea has developed a simple method for converting 2D drawings to 3D objects. In their paper published in the journal Science Advances, the group describes ...

Engineering

The perfect recipe for efficient perovskite solar cells

They have improved a process for vertically depositing a solution made from an inexpensive perovskite solute onto a moving substrate below. Not only have they discovered the crucial role played by one of the solvents used, ...

Electronics & Semiconductors

A better pen-and-ink system for drawing flexible circuits

Conductive ink is a great tool for printing flexible electronic circuits on surfaces. But these inks can be costly, they do not work on some materials, and devices to apply them can plug up. Now, scientists report in ACS ...

Energy & Green Tech

Solar perovskite production on a roll

High-performance perovskite solar cells are made using a manufacturing-friendly liquid-based process suitable for roll to roll production.

Robotics

Researchers develop versatile robotic fabric

Researchers at Yale have developed a robotic fabric, a breakthrough that could lead to such innovations as adaptive clothing, self-deploying shelters, or lightweight shape-changing machinery.

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Ink

Ink is a liquid or paste that contains pigments and/or dyes and is used to color a surface to produce an image, text, or design. Ink is used for drawing and/or writing with a pen, brush, or quill. Thicker inks, in paste form, are used extensively in letterpress and lithographic printing.

Ink can be a complex medium, composed of solvents, pigments, dyes, resins, lubricants, solubilizers, surfactants, particulate matter, fluorescers, and other materials. The components of inks serve many purposes; the ink’s carrier, colorants, and other additives control flow and thickness of the ink and its appearance when dry.

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