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Physics

Water's Secret Life at Graphite Surfaces Revealed

Scientists have used new techniques to study the molecular structure of water at graphite surfaces, resolving a long-standing debate on its behavior.

Illustration: Blue Dot News

1 min read

As we search for the hidden patterns that govern our world, scientists have been trying to unravel the mysteries of water at solid surfaces. For years, researchers have known that water plays a crucial role in many biological and technological processes - from the way cells signal each other to the way we convert sunlight into energy.

But despite its importance, the structure of water at these interfaces has remained elusive. It's like trying to see a shadow without a light source - until now. A team of researchers led by Bonagiri LKS has made a groundbreaking discovery that sheds new light on this phenomenon. By combining two powerful techniques, 3D-AFM and SHINERS, they were able to visualize the water at solid surfaces in unprecedented detail.

Their research reveals three distinct states of water at these interfaces, each with its own unique characteristics. This breakthrough not only resolves long-standing controversies but also opens up new avenues for innovation - from more efficient renewable energy systems to better understanding biological processes that underlie life itself.

The people behind the work

  • Bonagiri LKS et al.

    Author

    Published in Nature communications

Source: Nature communications

Sources & Verification

Every statement in this story is drawn from the facts below. Each is linked to a primary or reputable source — follow any citation to check it for yourself.

  1. Water at solid surfaces is key for many processes ranging from biological signal transduction to membrane separation and renewable energy conversion. Nature communications
  2. However, under realistic conditions, which often include environmental and surface charge variations, the interfacial water structure remains elusive. Nature communications
  3. Here we overcome this limit by combining three-dimensional atomic force microscopy (3D-AFM) and interface-sensitive shell-isolated nanoparticle enhanced Raman spectroscopy (SHINERS) to characterize the graphite-water interfacial structure in situ. Nature communications
  4. At sufficiently negative potentials, both states transition into a stable structure featuring pristine water with a broader distribution of H-bond configurations. Nature communications
  5. Our three-state model resolves many long-standing controversies on interfacial water structure. Nature communications

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