Zinc Oxide Nanoparticles: Properties and Applications
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Questions and Answers

What makes ZnO nanoparticles suitable for optoelectronic devices and UV-blocking coatings?

  • Strong photocatalytic activity
  • Antibacterial and antifungal properties
  • Wide bandgap and high UV absorption (correct)
  • High electrical conductivity

    • How can the electrical properties of ZnO nanoparticles be altered?

  • By changing their shape and doping (correct)
  • By decreasing their transparency
  • By adding antibacterial properties
  • By increasing their size

    • What unique property of ZnO nanoparticles allows them to combat microbial growth?

  • Biocompatibility
  • Photocatalytic activity (correct)
  • Optical properties
  • Electrical conductivity

    • Why are ZnO nanoparticles considered promising candidates for transparent conductive films?

    <p>Their electrical properties can be controlled</p> Signup and view all the answers

    In what applications are ZnO nanoparticles commonly used due to their antibacterial and antifungal properties?

    <p>Drug delivery</p> Signup and view all the answers

    How do ZnO nanoparticles exhibit size-dependent properties?

    <p>By changing various physical and chemical properties</p> Signup and view all the answers

    What advantages do zinc oxide nanoparticles offer due to their small size and large surface area to volume ratio?

    <p>Enhanced reactivity and effectiveness</p> Signup and view all the answers

    Why is the chemical precipitation method chosen for synthesizing zinc oxide nanoparticles in the text?

    <p>Due to its rapidity, simplicity, and cost-effectiveness</p> Signup and view all the answers

    In what way are zinc oxide nanoparticles beneficial in agriculture according to the text?

    <p>As essential micronutrients</p> Signup and view all the answers

    What properties of zinc oxide nanoparticles make them highly valuable, according to the text?

    <p>Unique electronic, chemical, and physical properties</p> Signup and view all the answers

    What makes the chemical precipitation method environmentally friendly in synthesizing zinc oxide nanoparticles?

    <p>It does not involve toxic solvents or hazardous conditions</p> Signup and view all the answers

    What role do zinc oxide nanoparticles play in various applications based on the text?

    <p>Highly versatile and beneficial material</p> Signup and view all the answers

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