Photoelectrochemistry & Nanoelectrochemistry Quiz

What is the main focus of photoelectrochemistry?

• Interaction of light with electrochemical systems

• Generation of electrical energy from wind

• Conversion of heat into mechanical energy

• Production of hydrogen from natural gas

What is the purpose of a photogeneration cell in photoelectrochemical cells?

• To produce hydrogen in a process similar to the electrolysis of water

• To produce oxygen gas from electromagnetic radiation

• To convert light energy into heat energy

• To store solar energy in a battery

What is the main problem with photogeneration cells in terms of efficiency?

• Low electrical conductivity of the electrodes

• Inability to absorb solar energy

• Corrosion of the semiconductors in direct contact with water

• Lack of suitable catalysts for water splitting

What are the two basic requirements for materials used as photo-electrodes in photoelectrochemical cells?

• Mechanical strength and chemical stability

• Thermal conductivity and electrical resistance

• Optical function and catalytic function

• Magnetic properties and ionization potential

Which semiconductor is primarily used in photoelectrochemical cells to achieve substantial efficiency?

• WSe2

• MoS2

• GaAs

• TiO2

What is the main focus of nanoelectrochemistry?

• Developing energy storage systems

• Investigating the electrical and electrochemical properties of materials at the nanometer size regime

• Studying the behavior of macroscopic electrochemical systems

• Fabricating large-scale electronic devices

What role does nanoelectrochemistry play in the fabrication of various sensors and devices?

• Detecting molecules at very low concentrations

• Generating electricity from solar energy

• Producing high-powered batteries

• Converting heat into mechanical energy

What is the grade level for which the language of the quiz is aligned?

• Grade 10

• Grade 5

• Grade 12

• Grade 8