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Modeling and control of processes in organic solar cells
Descriptive
TitleInfo
Title
Modeling and control of processes in organic solar cells
Name
(type = personal)
NamePart
(type = family)
Kumar
NamePart
(type = given)
Raunak
NamePart
(type = date)
1991-
DisplayForm
Raunak Kumar
Role
RoleTerm
(authority = RULIB)
author
Name
(type = personal)
NamePart
(type = family)
Gajic
NamePart
(type = given)
Zoran
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Zoran Gajic
Affiliation
Advisory Committee
Role
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chair
Name
(type = personal)
NamePart
(type = family)
McAfee
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Sigrid
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Sigrid McAfee
Affiliation
Advisory Committee
Role
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internal member
Name
(type = personal)
NamePart
(type = family)
Caggiano
NamePart
(type = given)
Michael
DisplayForm
Michael Caggiano
Affiliation
Advisory Committee
Role
RoleTerm
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internal member
Name
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NamePart
Rutgers University
Role
RoleTerm
(authority = RULIB)
degree grantor
Name
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NamePart
Graduate School - New Brunswick
Role
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school
TypeOfResource
Text
Genre
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theses
OriginInfo
DateCreated
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2014
DateOther
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(type = degree)
2014-10
CopyrightDate
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2014
Place
PlaceTerm
(type = code)
xx
Language
LanguageTerm
(authority = ISO639-2b);
(type = code)
eng
Abstract
(type = abstract)
The development of affordable, inexhaustible and clean solar energy technologies will have huge long term benefits, and the solar cell lies at the heart of this technology, which converts the incident sun light into electric current. During the last years the performance of bulk hetrojunction solar cells has been improved significantly making them a viable option for future generation solar cells. For a large-scale application of this technology further improvements are required. In this thesis, we explore the means to improve the efficiency of organic solar cells by studying the one dimensional drift diffusion equations and understanding the parameters which play a significant role in the operations of these devices. After identifying the physical parameters, a state space technique is applied and the nonlinear model is developed which is both time and space varying. Then, two sub models are derived - one by freezing space and another by freezing time. Both models are nonlinear. We perform linearization of the nonlinear model around a nominal operating point for the purpose of designing linearized optimal controller. The controllers obtained are applied to the nonlinear solar cell model. As the parameters are numerically very large in range, we performed scaling and derived a scaled down model. The internal stability of both the models is checked and an optimal controller is developed around the nominal point with the objective to maintain a constant number of electrons and holes which in turn directly affects the output current of the solar cell. This steady state constant values can ensure desired charge separation which sweep towards the cathode and anode before they exit the device. In the event of high intensity of sunlight this steady state values will help overcome the space charge effect which is an important factor in organic cells. The model is also subjected to the Turing instability test for a reaction diffusion system to investigate and detect the presence of Turing patterns in the drift-diffusion model of the organic solar cell.
Subject
(authority = RUETD)
Topic
Electrical and Computer Engineering
RelatedItem
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier
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ETD
Identifier
ETD_5657
PhysicalDescription
Form
(authority = gmd)
electronic resource
InternetMediaType
application/pdf
InternetMediaType
text/xml
Extent
1 online resource (vii, 51 p. : ill.)
Note
(type = degree)
M.S.
Note
(type = bibliography)
Includes bibliographical references
Subject
(authority = ETD-LCSH)
Topic
Solar cells--Design and construction
Subject
(authority = ETD-LCSH)
Topic
Solar cells--Materials
Note
(type = statement of responsibility)
by Raunak Kumar
RelatedItem
(type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier
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rucore19991600001
Location
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(displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier
(type = doi)
doi:10.7282/T3MG7N01
Genre
(authority = ExL-Esploro)
ETD graduate
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Rights
RightsDeclaration
(ID = rulibRdec0006)
The author owns the copyright to this work.
RightsHolder
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Name
FamilyName
Kumar
GivenName
Raunak
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime
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(qualifier = exact);
(point = start)
2014-05-03 14:47:38
AssociatedEntity
Name
Raunak Kumar
Role
Copyright holder
Affiliation
Rutgers University. Graduate School - New Brunswick
AssociatedObject
Type
License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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Technical
RULTechMD
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ContentModel
ETD
OperatingSystem
(VERSION = 5.1)
windows xp
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