Organic Electronics

What type of this photovoltaic?

• photovoltaic cell

• photovoltaic module

• photovoltaic panel

• photovoltaic array

What is an incorrect answer about alternating current?

• easy to generate

• can be transformed in voltage

• electronic use

• can be limited while keeping voltage high

The accurate statement about boron?

• boron has five electron valences

• boron is used for doping n-type in silicon

• boron is chemical element with symbol of P

• boron is most used material in photovoltaic devices

The false statement of advantages solar cell

• It is a sustainable

• Solar cells produce almost no pollution and its clean energy

• Solar energy is a renewable free source of energy that is totally inexhaustible, unlike fossil fuels that are finite

• Solar facilities can produce power at all of the time

The incorrect statement about phosphorus

• phosphorus has 5 electron valences

• n-type in photovoltaic cell system

• positive character in photovoltaic cell system

• phosphorus has 15 atomic number

Photodetector has designed to operate in

• zero bias

• reverse bias

• low speed

• non linear response

A true statement related photodetector

• no power supply

• low noise

• work as sensors and receivers

• operates in the 3rd quadrant of the IV characterization

The thickness and morphology of thin film using spin coating technique depend on ........... except

• viscosity

• rotational speed

• molecular weight and concentration of solute

• volume of ink

Advantage of casting technique in preparing thin film is

• lack of control over the film thickness

• no equipment

• picture framing effects and precipitation during drying

• the drying is inhomogeneous

The type of printing technique used in large substrate are ........ except

• screen printing

• pad printing

• casting

• gravure printing