Quantum dots for light conversion, therapeutic and energy storage applications

Vediyappan Veeramani, Zhen Bao, Ming Hsien Chan, Hung Chia Wang, Anirudha Jena, Ho Chang, Shu Fen Hu, Ru Shi Liu

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this review paper, we highlight the utilization of nanostructured quantum dots (QDs) in light-emitting diodes, biomedical, and energy-related applications. We discuss different preparation methods, cation-doping effects, and the optical applications of perovskite QDs. Cadmium selenide QDs are semiconductor materials with narrow bandgaps; therefore, their optical properties and electronic structures can be tuned. They can absorb photons (light energy) and convert multiple electron-hole pairs efficiently via multiple exciton generations. These effective light absorption properties are suitable for solar-driven water electrolysis processes and efficient photo-electrochemical lithium-air batteries. We focus on the utilization of upconverting nanoparticles in the field of biomedical applications. Suitable bandgap position, efficient charge separation, transportation, and photo-stability are the advantages of QD nanostructured materials. Hence, they are efficient and challenging candidates for the future.

Original languageEnglish
Pages (from-to)71-84
Number of pages14
JournalJournal of Solid State Chemistry
Volume270
DOIs
Publication statusPublished - 2019 Feb

Keywords

  • Biomedical
  • Cadmium selenide
  • Lithium-air battery
  • Q-LED/LCD
  • Solar water splitting
  • Supercapacitor

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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