Photodetectors and photovoltaics based on semiconductor nanocrystals

A semiconductor material, the semiconductor material comprising:

• a p-type semiconductor material including semiconductor nanocrystals, at least one property of the semiconductor material is to result in a mobility of electrons in the semiconductor material being greater than or equal to a mobility of holes;
• a benzene ring that includes at least two functional groups, a first of the at least two functional groups binding one semiconductor nanocrystal, a second of the at least two functional groups binding a distinct semiconductor nanocrystal;
• and
• at least one bidentate linker coupled to at least one of the semiconductor nanocrystals, the at least one bidentate linker consisting of a first end group and a second end group and including a conjugated moiety coupled between the first end group and the second end group.

A semiconductor material, the semiconductor material comprising:

• an n-type semiconductor material including semiconductor nanocrystals, at least one property of the semiconductor material is to result in a mobility of holes in the semiconductor material being greater than or equal to a mobility of electrons;
• a benzene ring that includes at least two functional groups, a first of the at least two functional groups binding one semiconductor nanocrystal, a second of the at least two functional groups binding a distinct semiconductor nanocrystal;
• and
• at least one bidentate linker coupled to at least one of the semiconductor nanocrystals, the at least one bidentate linker consisting of a first end group and a second end group and including a conjugated moiety coupled between the first end group and the second end group.

A device comprising:

• a semiconductor material in contact with a first electrode and a second electrode, the semiconductor material being a p-type semiconductor material comprising semiconductor nanocrystals, properties of the semiconductor material being configured to result in a mobility of electrons in the semiconductor material being greater than or equal to a mobility of holes;
• a benzene ring that includes at least two functional groups, a first of the at least two functional groups binding one semiconductor nanocrystal, a second of the at least two functional groups binding a distinct semiconductor nanocrystal;
• and
• at least one bidentate linker coupled to at least one of the semiconductor nanocrystals, the at least one bidentate linker consisting of a first end group and a second end group and including a conjugated moiety coupled between the first end group and the second end group.

A device comprising:

• a semiconductor material in contact with a first electrode and a second electrode, the semiconductor material being an n-type semiconductor material comprising semiconductor nanocrystals, properties of the semiconductor material being configured to result in a mobility of holes in the semiconductor material being greater than or equal to a mobility of electrons;
• a benzene ring that includes at least two functional groups, a first of the at least two functional groups binding one semiconductor nanocrystal, a second of the at least two functional groups binding a distinct semiconductor nanocrystal;
• and
• at least one bidentate linker coupled to at least one of the semiconductor nanocrystals, the at least one bidentate linker consisting of a first end group and a second end group and including a conjugated moiety coupled between the first end group and the second end group.