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Title: Air stable organic-inorganic nanoparticles hybrid solar cells

Patent ·
OSTI ID:1221872

A solar cell includes a low work function cathode, an active layer of an organic-inorganic nanoparticle composite, a ZnO nanoparticle layer situated between and physically contacting the cathode and active layers; and a transparent high work function anode that is a bilayer electrode. The inclusion of the ZnO nanoparticle layer results in a solar cell displaying a conversion efficiency increase and reduces the device degradation rate. Embodiments of the invention are directed to novel ZnO nanoparticles that are advantageous for use as the ZnO nanoparticle layers of the novel solar cells and a method to prepare the ZnO nanoparticles.

Research Organization:
Univ. of Florida, Gainesville, FL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG36-08GO18020
Assignee:
University of Florida Research Foundation, Inc. (Gainesville, FL)
Patent Number(s):
9,147,852
Application Number:
13/254,929
OSTI ID:
1221872
Resource Relation:
Patent File Date: 2010 Mar 05
Country of Publication:
United States
Language:
English

References (11)

Architecture for high efficiency polymer photovoltaic cells using an optical spacer patent-application December 2006
Photovoltaic Devices with Nanostructure/Conjugated Polymer Hybrid Layer and its Matched Electron Transporting Layer patent-application February 2008
Materials, Systems and Methods for Optoelectronic Devices patent-application June 2009
Nanoparticles And Their Manufacture patent-application November 2010
Efficient Hybrid Solar Cells from Zinc Oxide Nanoparticles and a Conjugated Polymer journal June 2004
Air stable polymer photovoltaics based on a process free from vacuum steps and fullerenes journal July 2008
Air-stable inverted flexible polymer solar cells using zinc oxide nanoparticles as an electron selective layer journal June 2008
Air-Stable Polymer Electronic Devices journal September 2007
Polymer-Encapsulated Gold-Nanoparticle Dimers: Facile Preparation and Catalytical Application in Guided Growth of Dimeric ZnO-Nanowires journal September 2008
Hybrid Zinc Oxide Conjugated Polymer Bulk Heterojunction Solar Cells journal May 2005
Electroluminescence from light-emitting polymer/ZnO nanoparticle heterojunctions at sub-bandgap voltages journal January 2010

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