US2016172612A1PendingUtilityA1

Composite organic materials and applications thereof

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Assignee: UNIV WAKE FORESTPriority: Aug 7, 2006Filed: Aug 10, 2015Published: Jun 16, 2016
Est. expiryAug 7, 2026(~0 yrs left)· nominal 20-yr term from priority
Inventors:David L. Carroll
H10K 30/50H01L 51/0002H01L 51/4246H10K 71/12H10K 85/111H10K 85/1135H10K 30/211H10K 85/215H10K 85/60H10K 85/141H10K 71/40H10K 71/15H10K 30/353B82Y 10/00H10K 85/113H10K 85/114H10K 85/615H10K 71/10H10K 30/30Y02E10/549Y02P70/50
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Claims

Abstract

The present invention provides composite organics and optoelectronic devices, including photovoltaic devices, comprising the same. In one embodiment, the present invention provides a photovoltaic cell comprising a radiation transmissive first electrode, a photosensitive layer electrically connected to the first electrode, the photosensitive layer comprising a plurality of composite organic layers, wherein each of the plurality of composite organic layers comprises a polymeric phase and a nanoparticle phase, the nanoparticle phase comprising at least one exaggerated nanocrystalline grain.

Claims

exact text as granted — not AI-modified
That which is claimed is: 
     
         1 . A photovoltaic cell comprising:
 a radiation transmissive first electrode;   a photosensitive layer electrically connected to the first electrode, the photosensitive layer comprising at least one composite organic layer, the composite organic layer comprising a polymeric phase and a nanoparticle phase;   a boosting layer comprising a pyroelectric material, a piezoelectric material or an electret material or combinations thereof; and   a second electrode electrically connected to the photosensitive layer, the boosting layer being disposed between the photosensitive layer and the first electrode or the second electrode; or   the boosting layer being disposed between composite organic layers of the photosensitive layer.   
     
     
         2 . The photovoltaic cell of  claim 1 , wherein the boosting layer includes the pyroelectric material, the pyroelectric material comprising polyvinyl fluoride, polyvinylidene fluoride or combinations thereof. 
     
     
         3 . The photovoltaic cell of  claim 1 , wherein the boosting layer includes the electret material, the electret material comprising benzocyclobutene (BCB), perfluorocyclobutene (PFCB), nanoemulsion-based PTFE or combinations thereof. 
     
     
         4 . The photovoltaic cell of  claim 1 , wherein the boosting layer further comprises polyacetylene, poly(phenylene vinylene), poly(p-phenylene vinylene) (PPV), poly(3-hexylthiophene), poly(3-octylthiophene), polythiophene, polyaniline or combinations thereof. 
     
     
         5 . The photovoltaic cell of  claim 1 , wherein the boosting layer comprises a polymeric phase and a nanoparticle phase. 
     
     
         6 . The photovoltaic cell of  claim 5 , wherein the nanoparticle phase comprises carbon nanoparticles. 
     
     
         7 . The photovoltaic cell of  claim 1 , wherein the boosting layer has a thickness of 0.5 nm to 50 nm. 
     
     
         8 . The photovoltaic cell of  claim 1 , wherein the boosting layer has a thickness of 1 nm to 40 nm. 
     
     
         9 . The photovoltaic cell of  claim 1 , wherein the boosting layer has a thickness of 5 nm to 30 nm. 
     
     
         10 . The photovoltaic cell of  claim 1 , wherein the boosting layer has a thickness of 10 nm to 20 nm. 
     
     
         11 . A method of producing a photovoltaic cell comprising:
 providing a radiation transmissive first electrode;   disposing a photosensitive layer in electrical communication with the first electrode, the photosensitive layer comprising at least one composite organic layer, the composite organic layer comprising a polymeric phase and a nanoparticle phase;   disposing a second electrode in electrical communication with the photosensitive layer; and   disposing a boosting layer between the photosensitive layer and the first electrode or the second electrode or disposing the boosting layer between composite organic layers of the photosensitive layer,   wherein the boosting layer comprises a pyroelectric material, a piezoelectric material, an electret material or combinations thereof.   
     
     
         12 . The method of  claim 11 , wherein the boosting layer includes the pyroelectric material, the pyroelectric material comprising polyvinyl fluoride, polyvinylidene fluoride or combinations thereof. 
     
     
         13 . The method of  claim 11 , wherein the boosting layer includes the electret material, the electret material comprising benzocyclobutene (BCB), perfluorocyclobutene (PFCB), nanoemulsion-based PTFE or combinations thereof. 
     
     
         14 . The method of  claim 11 , wherein the boosting layer further comprises polyacetylene, poly(phenylene vinylene), poly(p-phenylene vinylene) (PPV), poly(3-hexylthiophene), poly(3-octylthiophene), polythiophene, polyaniline or combinations thereof. 
     
     
         15 . The method of  claim 11 , wherein the boosting layer comprises a polymeric phase and a nanoparticle phase. 
     
     
         16 . The method of  claim 15 , wherein the nanoparticle phase comprises carbon nanoparticles. 
     
     
         17 . The method of  claim 11 , wherein the boosting layer has a thickness of 0.5 nm to 50 nm. 
     
     
         18 . The method of  claim 11 , wherein the boosting layer has a thickness of 1 nm to 40 nm. 
     
     
         19 . The method of  claim 11 , wherein the boosting layer has a thickness of 5 nm to 30 nm. 
     
     
         20 . The method of  claim 11 , wherein the boosting layer has a thickness of 10 nm to 20 nm.

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