N-type dopants for efficient solar cells

A device, comprising:

• an organic transistor, an organic light absorbing device, a solar cell device, a thermoelectric device, a photodetector device, or an organic light emitting device comprising an organic compound comprising an n-type dopant, wherein the organic compound has the structure:
• wherein:
• 1≤m≤8;
• 1≤n≤8;
• 2≤x≤4;
• and
• R is any substituted or non-substituted alkyl, alkenyl, alkynyl, an or alkoxy group.

A device, comprising:

• an organic transistor, an organic light absorbing device, a solar cell device, a thermoelectric device, a photodetector device, or an organic light emitting device comprising an organic compound comprising an n-type dopant, wherein:
• the organic compound has the structure:
• 0≤m≤8;
• 0≤n≤8;
• 1≤x≤4;
• R is any substituted or non-substituted alkyl, alkenyl, alkynyl, aryl or alkoxy group;
• and the
• comprises the n-type dopant,
• the n-type dopant is, bonded to an organic electron acceptor via the R, or wherein the comprises an organic electron acceptor, so as to n-type dope the organic electron acceptor.