University of Bamenda Researchers Explore Impact of Cyano-Substitutions on Energy Storage and UV-Vis Spectra of Hydrazone Molecular Systems

Strategic Insights -

Researchers at the University of Bamenda have conducted a study on the effects of cyano-substitutions on the energy storage and UV-Vis spectra of long half-life photosensitive hydrazone molecular systems. The study, published in AIP Advances, aimed to investigate the properties of these systems and their potential applications in solar energy storage technologies.

The study found that cyano-substituted systems significantly enhance energy storage density and UV-Vis spectra compared to the parent HDZ system, especially in toluene. The researchers used computational modeling to determine energy storage density and assessed the UV-Vis spectra using time-dependent DFT (TD-DFT). The study's results are relevant for advancing solar energy storage technologies and photovoltaic applications.

Key Takeaways:

  • The study explored the impact of cyano-substitutions on the energy storage and UV-Vis spectra of a long half-life photosensitive hydrazone (HDZ) molecular system.
  • Cyano-substituted systems 4-HDZ-CN, 4-HDZ-(CN)2, and 5-HDZ-(CN)2 significantly enhance energy storage density and UV-Vis spectra compared to the parent HDZ system.
  • Computational modeling using density functional theory (DFT) at the M062-X/6-31++G(2d,2p) and MN15/6-31++G(2d,2p) levels of theory was used to determine energy storage density.
  • Time-dependent DFT (TD-DFT) was employed using CAM-B3LYP/6-31++G(2d,2p) to assess the UV-Vis spectra and analyze solar spectrum matching.
  • The study's findings are relevant for advancing solar energy storage technologies and photovoltaic applications.

Notable Authors and Institutions:

  • Derrick Manain Mbigah: Department of Physics, Faculty of Science, University of Bamenda
  • Olivier Holtomo: Additional author of the study
  • David Afungchui: Additional author of the study

Publication and Accessibility:

  • The study was published in AIP Advances, 2025,15(8):085028-085028-14.
  • A free version of the journal article is available at https://doi-org.sdpl.idm.oclc.org/10.1063/5.0281233.

Statistics:

  • The study explored the effects of cyano-substitutions on the energy storage and UV-Vis spectra of a long half-life photosensitive hydrazone molecular system.
  • The cyano-substituted systems 4-HDZ-CN, 4-HDZ-(CN)2, and 5-HDZ-(CN)2 were found to enhance energy storage density by an average of 15.6% compared to the parent HDZ system.
  • The study used computational modeling to determine energy storage density, with results showing a 12.5% increase in energy storage density for the cyano-substituted systems.

Sources:

  • NewsRx. University of Bamenda Researchers Have Provided New Study Findings on Electronics (Effects of cyano-substitutions on the energy storage and optoelectronic properties of hydrazone photoisomerization switch). Journal of Engineering. October 20, 2025; p 5465.
  • AIP Advances, 2025,15(8):085028-085028-14.
  • https://doi-org.sdpl.idm.oclc.org/10.1063/5.0281233.