Chemistry
What is the hybridization of each carbon atom in benzene?
Sp2
What do organic solar cells produce from sunlight?
Electricity
What type of chemical rings structures are used in OLEDs to easily conduct electricity and emit light?
Aromatic Compounds
What must engineers balance when producing dyes??
Performance, cost & safety
True or False: Kevlar is a natural fiber.
False
Which type of reaction does benzene favor to preserve its aromatic stability?
Substitution
What is one advantage of organic solar cells?
Lightweight or flexible
Name one main challenge or disadvantage of OLED screens.
Cost or screen burn in
Which industry commonly uses dyes to give fabrics their colors?
Textile industry
If the aromatic rings in Kevlar were replaced with flexible structures, what important property might decrease?
Rigidity
Is this compound Aromatic?
C8H8O3
It is Aromatic
Why can breaking the conjugated system in an organic semiconductor affect the performance of an organic solar cell?
It can reduce electron delocalization.
What is the term for the permanent image retention issue caused by organic material degradation in OLED screens?
Screen Burn-in
What allows electrons to delocalize across a dye molecule?
Extended conjugation
What functional group kevlar’s polymer chain helps form hydrogen bonds between neighboring chains?
Amide group