Yttrium is a soft, silver-metallic, lustrous and highly crystalline transition metal in group 3. As expected by periodic trends, it is less electronegative than its predecessor in the group, scandium, and less electronegative than the next member of period 5, zirconium.

Yttrium oxide (Y₂O₃) doped with europium is used as a red phosphor in color television tubes and LED displays. This application takes advantage of yttrium's ability to produce bright and stable colors. Yttrium is a critical component in high-temperature superconductors.

Yttrium, a rare earth metal, possesses unique characteristics that make it invaluable in various high-tech applications, most notably in the creation of white LEDs. The exploration of yttrium’s contributions offers insights into how this element is revolutionizing lighting technology, making it more efficient, durable, and environmentally ...

2016年1月21日 · For example, cerium-doped YAGs (Ce:YAGs) are used as phosphors in combination with blue light emitting diodes (LEDs). Blue radiation from the LED 'bleeding' through a Ce:YAG phosphor is...

2024年5月9日 · The use of yttrium oxide in phosphor coatings enables the production of energy-efficient lighting solutions such as compact fluorescent lamps (CFLs) and light-emitting diodes (LEDs). Yttrium-activated phosphors enhance the color rendering index (CRI) and luminous efficiency of these light sources, reducing energy consumption while providing ...

2024年1月7日 · Yttrium is a chemical element with the symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and has historically been classified as a rare-earth element .

2025年1月21日 · Electronics: Yttrium is used in the manufacturing of phosphors for color television and computer monitor screens, as well as in LED lighting. Ceramics: Yttrium-stabilized zirconia (YSZ) is used in the production of strong, durable …

The most important uses of yttrium are LEDs and phosphors, particularly the red phosphors in television set cathode ray tube displays. Yttrium is also used in the production of electrodes, electrolytes, electronic filters, lasers, superconductors, various medical applications, and tracing various materials to enhance their properties.

2016年1月26日 · Light-emitting diodes (LEDs) are driving a shift toward energy-efficient illumination. Nonetheless, modifying the emission intensities, colors and directionalities of LEDs in...

2017年12月11日 · In this work, we investigate the optical properties of bismuth doped yttrium oxide thin film, proposing it as a suitable efficient luminescent material for silicon-compatible pc-LEDs and FEDs...