Advanced Materials and Semiconductor Technologies
Research Guide

Metal ion dopants in 2-4 nm TiO2 colloids influence photoreactivity by altering charge carrier recombination dynamics. Choi et al. (1994) in "The Role of Metal Ion Dopants in Quantum-Sized TiO2: Correlation between Photoreactivity and Charge Carrier Recombination Dynamics" found that dopants in the crystalline matrix significantly affect these properties. This correlation guides photocatalyst design.

Carbon nanotubes, both multi-walled and single-walled, are synthesized using various methods reviewed by Awasthi et al. (2005) in "Synthesis of Carbon Nanotubes." These methods leverage the nanotubes' unique properties for nanoscience applications. The review covers fundamental synthesis techniques.

Semiconductor device physics includes planar technology, vapor-phase growth, thermal oxidation, solid-state diffusion, p-n junctions, and transistors. Grove (1967) in "Physics and technology of semiconductor devices" details elements under non-equilibrium conditions and junction field-effect transistors. These form the basis for device engineering.

Copper indium selenide thin films in solar cells exceed 21% power conversion efficiency in laboratory devices. Stanbery (2002) in "Copper Indium Selenides and Related Materials for Photovoltaic Devices" highlights their promise for low-cost solar solutions. These ternary chalcogenides address high-cost photovoltaic challenges.

Nuclear batteries provide long-duration power for remote or extreme environments. Prelas et al. (2014) in "A review of nuclear batteries" evaluates their thermophysical characteristics and potential. They enable sustained energy without frequent recharging.

New palladium alloys catalyze oxygen reduction reactions in acid media for fuel cells. Savadogo et al. (2003) in "New palladium alloys catalyst for the oxygen reduction reaction in an acid medium" demonstrates their effectiveness. This advances proton exchange membrane fuel cell performance.