US2004187911A1PendingUtilityA1

Photovoltaic cell with mesh electrode

45
Priority: Mar 24, 2003Filed: Nov 26, 2003Published: Sep 30, 2004
Est. expiryMar 24, 2023(expired)· nominal 20-yr term from priority
Inventors:Russell GaudianaAlan Montello
H10K 39/10H01G 9/2031H10F 10/00H01M 14/00H10K 30/83H10K 30/30H10K 30/81H01G 9/2068Y02P70/50H01G 9/2059H01G 9/2013H01G 9/2081Y02E10/549Y02E10/542
45
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Claims

Abstract

Photovoltaic cells that have a mesh electrode, as well as related systems, methods and components, are disclosed.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A photovoltaic cell, comprising: 
 a first electrode;    a mesh electrode; and    an active layer between the first and mesh electrodes, the active layer comprising:    an electron acceptor material; and    an electron donor material.    
     
     
         2 . The photovoltaic cell of  claim 1 , wherein the mesh electrode is a cathode.  
     
     
         3 . The photovoltaic cell of  claim 1 , wherein the mesh electrode is an anode.  
     
     
         4 . The photovoltaic cell of  claim 1 , wherein the mesh comprises an electrically conductive material.  
     
     
         5 . The photovoltaic cell of  claim 4 , wherein the electrically conductive material is selected from the group consisting of metals, alloys, polymers and combinations thereof.  
     
     
         6 . The photovoltaic cell of  claim 1 , wherein the mesh electrode comprises wires.  
     
     
         7 . The photovoltaic cell of  claim 6 , wherein the wires comprise an electrically conductive material.  
     
     
         8 . The photovoltaic cell of  claim 7 , wherein the electrically conductive material is selected from the group consisting of metals, alloys, polymers and combinations thereof.  
     
     
         9 . The photovoltaic cell of  claim 6 , wherein the wires comprise a coating including an electrically conductive material.  
     
     
         10 . The photovoltaic cell of  claim 9 , wherein the electrically conductive material is selected from the group consisting of metals, alloys, polymers and combinations thereof.  
     
     
         11 . The photovoltaic cell of  claim 1 , wherein the mesh electrode comprises an expanded mesh.  
     
     
         12 . The photovoltaic cell of  claim 1 , wherein the mesh electrode comprises a woven mesh.  
     
     
         13 . The photovoltaic cell of  claim 1 , wherein the electron acceptor material comprises a material selected from the group consisting of fullerenes, inorganic nanoparticles, oxadiazoles, discotic liquid crystals, carbon nanorods, inorganic nanorods, polymers containing CN groups, polymers containing CF 3  groups and combinations thereof.  
     
     
         14 . The photovoltaic cell of  claim 1 , wherein the electron acceptor material comprises a substituted fullerene.  
     
     
         15 . The photovoltaic cell of  claim 1 , wherein the electron donor material comprises a material selected from the group consisting of discotic liquid crystals, polythiophenes, polyphenylenes, polyphenylvinylenes, polysilanes, polythienylvinylenes and polyisothianaphthalenes.  
     
     
         16 . The photovoltaic cell of  claim 1 , wherein the electron donor material comprises poly(3-hexylthiophene).  
     
     
         17 . The photovoltaic cell of  claim 1 , further comprising a hole blocking layer between the active layer and the first electrode.  
     
     
         18 . The photovoltaic cell of  claim 17 , wherein the hole blocking layer comprises a material selected from the group consisting of LiF, metal oxides and combinations thereof.  
     
     
         19 . The photovoltaic cell of  claim 1 , further comprising a hole blocking layer between the active layer and the mesh electrode.  
     
     
         20 . The photovoltaic cell of  claim 19 , wherein the hole blocking layer comprises a material selected from the group consisting of LiF, metal oxides and combinations thereof.  
     
     
         21 . The photovoltaic cell of  claim 1 , further comprising a hole carrier layer between the active layer and the mesh electrode.  
     
     
         22 . The photovoltaic cell of  claim 21 , wherein the hole carrier layer comprises a material selected from the group consisting of polythiophenes, polyanilines, polyvinylcarbazoles, polyphenylenes, polyphenylvinylenes, polysilanes, polythienylenevinylenes, polyisothianaphthanenes and combinations thereof.  
     
     
         23 . The photovoltaic cell of  claim 1 , further comprising a hole carrier layer between the active layer and the first electrode.  
     
     
         24 . The photovoltaic cell of  claim 23 , wherein the hole carrier layer comprises a material selected from the group consisting of polythiophenes, polyanilines, polyvinylcarbazoles, polyphenylenes, polyphenylvinylenes, polysilanes, polythienylenevinylenes, polyisothianaphthanenes and combinations thereof.  
     
     
         25 . The photovoltaic cell of  claim 1 , wherein the first electrode comprises a mesh electrode.  
     
     
         26 . A photovoltaic cell, comprising: 
 a first electrode;    a mesh electrode;    an active layer between the first and mesh electrodes, the active layer comprising:    an electron acceptor material; and    an electron donor material;    a hole blocking layer between the first electrode and the active layer; and    a hole carrier layer between the mesh electrode and the active layer.    
     
     
         27 . The photovoltaic cell of  claim 26 , wherein the mesh comprises an electrically conductive material.  
     
     
         28 . The photovoltaic cell of  claim 27 , wherein the electrically conductive material is selected from the group consisting of metals, alloys, polymers and combinations thereof.  
     
     
         29 . The photovoltaic cell of  claim 26 , wherein the hole carrier layer comprises a material selected from the group consisting of polythiophenes, polyanilines, polyvinylcarbazoles, polyphenylenes, polyphenylvinylenes, polysilanes, polythienylenevinylenes, polyisothianaphthanenes and combinations thereof.  
     
     
         30 . The photovoltaic cell of  claim 29 , wherein the hole blocking layer comprises a material selected from the group consisting of LiF, metal oxides and combinations thereof.  
     
     
         31 . The photovoltaic cell of  claim 26 , wherein the hole blocking layer comprises a material selected from the group consisting of LiF, metal oxides and combinations thereof.  
     
     
         32 . The photovoltaic cell of  claim 26 , wherein the mesh electrode comprises wires.  
     
     
         33 . The photovoltaic cell of  claim 32 , wherein the wires comprise an electrically conductive material.  
     
     
         34 . The photovoltaic cell of  claim 33 , wherein the electrically conductive material is selected from the group consisting of metals, alloys, polymers and combinations thereof.  
     
     
         35 . The photovoltaic cell of  claim 32 , wherein the wires comprise a coating including an electrically conductive material.  
     
     
         36 . The photovoltaic cell of  claim 35 , wherein the electrically conductive material is selected from the group consisting of metals, alloys, polymers and combinations thereof.  
     
     
         37 . The photovoltaic cell of  claim 26 , wherein the mesh electrode comprises an expanded mesh.  
     
     
         38 . The photovoltaic cell of  claim 26 , wherein the mesh electrode comprises a woven mesh.  
     
     
         39 . The photovoltaic cell of  claim 26 , wherein the first electrode comprises a mesh electrode.  
     
     
         40 . The photovoltaic cell of  claim 26 , further comprising a substrate supporting the mesh electrode.  
     
     
         41 . The photovoltaic cell of  claim 40 , further comprising an adhesive material between the substrate and the hole carrier layer.  
     
     
         42 . The photovoltaic cell of  claim 40 , wherein the hole carrier layer is in contact with the substrate.  
     
     
         43 . A photovoltaic system comprising a plurality of photovoltaic cells of  claim 1 , at least some of the plurality of photovoltaic cells being electrically connected.  
     
     
         44 . The photovoltaic system of  claim 43 , wherein all of the plurality of photovoltaic cells are electrically connected.  
     
     
         45 . The photovoltaic system of  claim 43 , wherein at least some of the electrically connected photovoltaic cells are electrically connected in parallel.  
     
     
         46 . The photovoltaic system of  claim 43 , wherein at least some of the electrically connected photovoltaic cells are electrically connected in series.  
     
     
         47 . The photovoltaic system of  claim 43 , wherein the photovoltaic system is wherein at least some of the electrically connected photovoltaic cells are electrically connected in to a load.  
     
     
         48 . A photovoltaic system comprising a plurality of photovoltaic cells of  claim 24 , at least some of the plurality of photovoltaic cells being wherein at least some of the electrically connected photovoltaic cells are electrically connected.  
     
     
         49 . The photovoltaic system of  claim 48 , wherein all of the plurality of photovoltaic cells are electrically connected.  
     
     
         50 . The photovoltaic system of  claim 48 , wherein at least some of the electrically connected photovoltaic cells are electrically connected in parallel.  
     
     
         51 . The photovoltaic system of  claim 48 , wherein at least some of the electrically connected photovoltaic cells are electrically connected in series.  
     
     
         52 . The photovoltaic system of  claim 48 , wherein the photovoltaic system is wherein at least some of the electrically connected photovoltaic cells are electrically connected in parallel to a load.

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