Innovations in Sciences, IT, Computers, Robotics and Nanotechnology

[pib] Hematene Nanoflakes


From UPSC perspective, the following things are important :

Prelims level: Hematene

Mains level: Not Much


Central Idea

  • Researchers have made a groundbreaking discovery of nanoflakes of a material known as hematene, extracted from iron ore.
  • These nanoflakes have demonstrated exceptional capabilities in withstanding and shielding against high laser intensities.

What is Hematene?

  • Hematene is a novel 2D material that has been derived from hematite (common iron ore).
  • It is a thin, single-layer material with unique properties that make it promising for various applications, especially in the field of optics.
  • Hematene nanoflakes have demonstrated exceptional capabilities in withstanding and shielding against high laser intensities, making them valuable for optical limiting applications.
  • The material’s stability and potential for futuristic technologies have garnered significant interest from researchers and scientists.

How is it made?

  • Hematene is derived from naturally occurring hematite, the mineral form of iron oxide, through a process involving sonication, centrifugation, and vacuum-assisted filtration.
  • With a thickness of just 3 atoms, it exhibits improved photocatalysis efficiency.
  • Being ferromagnetic, like common magnets, it possesses magnetic properties.
  • Notably, it has the exceptional ability to withstand and provide shielding against high laser intensities.

Applications of Hematene Nanoflakes

  • Optical Limiting: Hematene nanoflakes have demonstrated exceptional optical limiting capabilities, making them valuable in protecting sensitive optical equipment, such as sensors, detectors, and other optical devices, from high laser intensities.
  • Photodetectors: Hematene’s properties make it suitable for developing high-performance photodetectors, which are used to detect and convert light signals into electrical signals. This application has potential in telecommunications, imaging, and optical communications.
  • Energy Storage: Hematene can be explored for applications in energy storage devices, such as batteries and super-capacitors, due to its unique electronic and electrochemical properties.
  • Optoelectronics: The material’s properties make it suitable for optoelectronic devices, which involve the interaction of light and electricity, including light-emitting diodes (LEDs) and photovoltaic cells.
  • Photothermal Therapy: Hematene’s ability to withstand and shield against high laser intensities may find applications in photothermal therapy, a medical technique that uses light to treat diseases like cancer.
  • Environmental Applications: Hematene’s stability and potential for use in various environments may make it valuable in environmental applications, such as water purification and pollution control.
  • Sensors: The material’s unique properties may be utilized in developing high-performance sensors for various applications, including gas sensing and environmental monitoring.
  • Catalysts: Hematene’s surface characteristics and electronic properties could be explored for catalytic applications, promoting chemical reactions in various industrial processes.

Get an IAS/IPS ranker as your 1: 1 personal mentor for UPSC 2024

Attend Now

Notify of
Inline Feedbacks
View all comments


Join us across Social Media platforms.

💥Mentorship New Batch Launch
💥Mentorship New Batch Launch