Photovoltaic devices based on nanostructured polymer films molded from porous template

An optoelectronic device, comprising:

• a first substrate, wherein the substrate comprises one or more active regions;
• an electrode disposed on the first substrate;
• a first interdigitating, nano-structured charge-transfer molded materials comprising a first electron affinity disposed on the first electrode, wherein the first nano-structured polymer comprises aligned or stacked molecules or polymer chains;
• a second interdigitating, nano-structured charge-transfer material comprising a second electron affinity disposed on the first interdigitating, nano-structured charge-transfer polymer, wherein the second nano-structured polymer comprises aligned or stacked molecules or chains;
• and
• a second electrode disposed in the second interdigitating, nano-structured charge-transfer material;
• and a layer disposed on the second electrode.

A method of making an optoelectronic device, comprising:

• nanoimprinting or molding a first interdigitating, nano-structured charge-transfer material with a template mold on a substrate, wherein the substrate comprises one or more active regions, the material comprising a base and one or more nanoposts, nanopores, or nanogratings;
• depositing a second charge-transfer material layer on the first interdigitating, nano-structured charge-transfer materials to form a electron-acceptor:hole-acceptor polymer pair;
• and
• connecting each of the first and second nano-structured charge-transfer material to an electrode, wherein at least one of the electrodes in translucent.

A method of making a highly-ordered, nanopore template comprising:

• anodizing a polished anodizable template;
• dissolving the anodized template to form a pock-marked template;
• and
• re-anodizing the pock-marked template, wherein the re-anodized template comprises a plurality of cells that comprise an anodized barrier layer and a pore

A method of orienting a polymer chain in a polymer by nanoimprinting comprising the steps of:

• selecting the polymer for nanoimprinting;
• spreading the polymer as a layer for nanoimprinting;
• adjusting a temperature of the polymer layer;
• wherein said temperature is above the glass transition temperature of the selected polymer;
• adjusting a viscosity of the polymer layer;
• contacting the polymer layer with a porous template mold, wherein said template mold comprises one or more nano-structures;
• flowing the polymer into the porous mold;
• releasing the porous mold from the polymer layer;
• and
• monitoring the orientation of the polymer chains by one or more analytical techniques.

A method of filling a patterned functional layer disposed on a surface with a charge transfer material comprising the steps of:

• oxidizing a transfer surface;
• spin-coating the charge transfer material on the oxidized transfer surface;
• adjusting a temperature of the charge transfer material coated oxidized transfer surface;
• wherein the temperature of the coated charge transfer material is below the glass transition temperature of the patterned polymer layer disposed on the surface;
• contacting the coated and oxidized transfer surface with the patterned polymer layer disposed on the surface;
• applying heat and pressure to a stack, wherein the stack comprises the patterned polymer layer disposed on the surface and the charge transfer material coated oxidized transfer surface;
• adjusting the temperature of the stack, wherein the temperature is lower than glass transition temperature of the patterned polymer layer disposed on the surface;
• flowing the charge transfer material from the polymer coated oxidized transfer surface into the patterned polymer layer disposed on the surface;
• and
• releasing the oxidized transfer surface from the stack.