Search Results - "Gevorgyan, Suren"
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Stability of Polymer Solar Cells
Published in Advanced materials (Weinheim) (02-02-2012)“…Organic photovoltaics (OPVs) evolve in an exponential manner in the two key areas of efficiency and stability. The power conversion efficiency (PCE) has in the…”
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2
Degradation Patterns in Water and Oxygen of an Inverted Polymer Solar Cell
Published in Journal of the American Chemical Society (01-12-2010)“…The spatial distribution of reaction products in multilayer polymer solar cells induced by water and oxygen atmospheres was mapped and used to elucidate the…”
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3
Lifetime of Organic Photovoltaics: Status and Predictions
Published in Advanced energy materials (01-01-2016)“…The results of a meta‐analysis conducted on organic photovoltaics (OPV) lifetime data reported in the literature is presented through the compilation of an…”
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4
Interlaboratory outdoor stability studies of flexible roll-to-roll coated organic photovoltaic modules: Stability over 10,000 h
Published in Solar energy materials and solar cells (01-09-2013)“…This work attempts to reveal the comparability issues related to outdoor testing procedures of organic photovoltaic (OPV) modules via studies of…”
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5
Lifetime of organic photovoltaics: Linking outdoor and indoor tests
Published in Solar energy materials and solar cells (01-12-2015)“…A comprehensive outdoor study of polymer solar cells and modules for duration of one year was conducted. Different sample geometries and encapsulations were…”
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6
A rational method for developing and testing stable flexible indium- and vacuum-free multilayer tandem polymer solar cells comprising up to twelve roll processed layers
Published in Solar energy materials and solar cells (01-01-2014)“…We demonstrate a method for the preparation of multijunction polymer solar cells without the use of vacuum evaporation methods or indium tin oxide (ITO). The…”
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7
Consensus stability testing protocols for organic photovoltaic materials and devices
Published in Solar energy materials and solar cells (01-05-2011)“…Procedures for testing organic solar cell devices and modules with respect to stability and operational lifetime are described. The descriptions represent a…”
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Journal Article Conference Proceeding -
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Substituted 2,1,3-Benzothiadiazole- And Thiophene-Based Polymers for Solar Cells − Introducing a New Thermocleavable Precursor
Published in Chemistry of materials (13-10-2009)“…Alkoxysubstituted and unsubstituted 2,1,3-benzothiadiazoles were prepared and copolymerized with substituted and unsubstituted thiophenes using both Stille and…”
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9
Water and oxygen induced degradation of small molecule organic solar cells
Published in Solar energy materials and solar cells (01-05-2011)“…Small molecule organic solar cells were studied with respect to water and oxygen induced degradation by mapping the spatial distribution of reaction products…”
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Journal Article Conference Proceeding -
10
Scalability and stability of very thin, roll-to-roll processed, large area, indium-tin-oxide free polymer solar cell modules
Published in Organic electronics (01-03-2013)“…[Display omitted] ► Efficient ITO-free polymer solar cell modules prepared by printing and coating without the use of vacuum processing. ► Very thin substrates…”
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Bulk Heterojunctions Based on Native Polythiophene
Published in Chemistry of materials (08-07-2008)“…Three different bulk heterojunctions were prepared by solution processing from the same precursor film. The procedure employs standard film-forming processing…”
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12
Predicting, categorizing and intercomparing the lifetime of OPVs for different ageing tests
Published in Solar energy materials and solar cells (01-11-2014)“…The presented work addresses the issue of lifetime prediction and intercomparison for organic photovoltaic (OPV) devices tested under different environmental…”
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Journal Article Conference Proceeding -
13
The Critical Choice of PEDOT:PSS Additives for Long Term Stability of Roll-to-Roll Processed OPVs
Published in Advanced energy materials (01-05-2015)“…The impact of additives mixed with poly(3,4‐ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) on the stability of organic photovoltaic modules is…”
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14
“Hairy” Poly(3-hexylthiophene) Particles Prepared via Surface-Initiated Kumada Catalyst-Transfer Polycondensation
Published in Journal of the American Chemical Society (18-11-2009)“…Herein, we present a new paradigm in the engineering of nanostructured hybrids between conjugated polymer and inorganic materials via a chain-growth…”
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15
Thermocleavable Low Band Gap Polymers and Solar Cells Therefrom with Remarkable Stability toward Oxygen
Published in Macromolecules (09-12-2008)“…Thermocleavable esters of low band gap monomers and polymers based on diphenyldithienylthienopyrazine were prepared by incorporating carboxylic acid…”
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16
High stability of benzotriazole and benzodithiophene containing medium band-gap polymer solar cell
Published in Solar energy materials and solar cells (01-01-2018)“…The improvement of polymer solar cell stability is a challenge for the scientists and has significant implications commercially. In this study, we investigated…”
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17
Characterization and modeling of organic (P3HT:PCBM) solar cells as a function of bias and illumination
Published in Solar energy materials and solar cells (01-12-2016)“…We investigated the response of roll coated organic solar cells at different bias voltages and illumination levels to implement a detailed impedance model. The…”
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18
Outdoor Operational Stability of Indium-Free Flexible Polymer Solar Modules Over 1 Year Studied in India, Holland, and Denmark
Published in Advanced engineering materials (01-08-2014)“…ABSTRACT We present an outdoor interlaboratory stability study of fully printed and coated indium‐tin‐oxide (ITO)‐free polymer solar cell modules in JNCASR…”
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19
Role of Stress Factors on the Adhesion of Interfaces in R2R Fabricated Organic Photovoltaics
Published in Advanced energy materials (01-06-2016)“…The role of the common stress factors such as high temperature, humidity, and UV irradiation on interface adhesion of roll‐to‐roll fabricated organic…”
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Freely available OPV—The fast way to progress
Published in Energy technology (Weinheim, Germany) (01-07-2013)“…It's a free‐for‐all! ITO‐free organic photovoltaics are fabricated using roll‐to‐roll processing technology and laser cutting to separate and encapsulate…”
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