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Studies of the synthesis and depostion of Cu3BiS3 for use in phovoltaic devices

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TitleInfo
Title
Studies of the synthesis and depostion of Cu3BiS3 for use in phovoltaic devices
Name (type = personal)
NamePart (type = family)
Epstein
NamePart (type = given)
Joshua A.
NamePart (type = date)
1987-
DisplayForm
Joshua A. Epstein
Role
RoleTerm (authority = RULIB)
author
Name (type = personal)
NamePart (type = family)
Birnie III
NamePart (type = given)
Dunbar P.
DisplayForm
Dunbar P. Birnie III
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
chair
Name (type = personal)
NamePart (type = family)
Matthewson
NamePart (type = given)
Michael John
DisplayForm
Michael John Matthewson
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
internal member
Name (type = personal)
NamePart (type = family)
O'Carroll
NamePart (type = given)
Deidre
DisplayForm
Deidre O'Carroll
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
internal member
Name (type = personal)
NamePart (type = family)
Skandan
NamePart (type = given)
Ganesh
DisplayForm
Ganesh Skandan
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
outside member
Name (type = corporate)
NamePart
Rutgers University
Role
RoleTerm (authority = RULIB)
degree grantor
Name (type = corporate)
NamePart
Graduate School - New Brunswick
Role
RoleTerm (authority = RULIB)
school
TypeOfResource
Text
Genre (authority = marcgt)
theses
OriginInfo
DateCreated (encoding = w3cdtf); (qualifier = exact)
2015
DateOther (qualifier = exact); (type = degree)
2015-10
CopyrightDate (encoding = w3cdtf); (qualifier = exact)
2015
Place
PlaceTerm (type = code)
xx
Language
LanguageTerm (authority = ISO639-2b); (type = code)
eng
Abstract (type = abstract)
As the world’s climate continues to change, alternative energy is being adopted more and more. Solar energy is one extremely promising candidate to supplement our ever increasing energy needs. In order for it to be a viable solution, more efficient and less expensive solar panels must be made. While silicon solar panels are the current market leader their high manufacturing energy input and cost warrant looking into alternatives. Many thin film solar materials are being investigated such as CdTe, CIGS and CZTS, but all come with their own drawbacks. With a near ideal band gap, low toxicity and earth abundant elemental make up copper bismuth sulfide, Cu3BiS3, is a promising candidate for use in future photovoltaic devices. The research presented here details multiple methods to synthesize and deposit this material with an effort to keep the methods low cost, energy efficient and environmentally friendly. Multiple low temperature solvothermal routes to synthesizing copper bismuth sulfide, CBS, have been developed¬¬. The resulting powders have been verified as pure Cu3BiS3 via XRD peak matching. The precursor reactants tested for use were copper and bismuth nitrates, acetates, chlorides and hydroxides. L-cystine, L-cysteine, thiourea and CS2 have all been tested for use as sulfur sources. Seven of these combinations produced pure CBS powders. Two custom built benchtop reactors have been designed and fabricated with the aim of studying the possibility of a continuous flow reactor as a way to utilize these precipitation chemistries for making thin films of CBS. Heat and liquid flow simulations were performed in COMSOL multiphysics to assist in the reactor design process. The second reactor was designed to promote uniform liquid flow across the fluorine doped, tin oxide coated, FTO, glass. This reactor was also built with a temperature gradient transverse to the liquid flow so that the optimal temperature for the deposition of CBS could be evaluated. This reactor was also used to evaluate the deposition of CdS, an n-type semiconductor often used in thin film solar panels, onto FTO glass. CBS thin films were also prepared via electrodeposition and thermal treatment. The solution used was a mixture of copper nitrate, sodium sulfite and sodium citrate tribasic dihydrate dissolved in DI H2O and bismuth nitrate dissolved in ethylene glycol. To get the best coating it was found that the electrodeposition should be done at 1.2 V and last 5 minutes. Thermal treatment carried out in a 450°C tube furnace for 90 min in forming gas (95% N2 with 5% H2) along with sulfur vapor was proved best. No further treatment was required to obtain phase pure CBS coatings. This was verified with XRD peak analysis. Optical absorption, microstructural, and photoconductivity data are reported for CBS materials made using the above techniques.
Subject (authority = RUETD)
Topic
Materials Science and Engineering
Subject (authority = ETD-LCSH)
Topic
Photovoltaic power generation
Subject (authority = ETD-LCSH)
Topic
Thin films
RelatedItem (type = host)
TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier (type = RULIB)
ETD
Identifier
ETD_6805
PhysicalDescription
Form (authority = gmd)
electronic resource
InternetMediaType
application/pdf
InternetMediaType
text/xml
Extent
1 online resource (xxi, 175 p. : ill.)
Note (type = degree)
Ph.D.
Note (type = bibliography)
Includes bibliographical references
Note (type = statement of responsibility)
by Joshua A. Epstein
RelatedItem (type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier (type = local)
rucore19991600001
Location
PhysicalLocation (authority = marcorg); (displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier (type = doi)
doi:10.7282/T3TM7D45
Genre (authority = ExL-Esploro)
ETD doctoral
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Rights

RightsDeclaration (ID = rulibRdec0006)
The author owns the copyright to this work.
RightsHolder (type = personal)
Name
FamilyName
Epstein
GivenName
Joshua
MiddleName
A.
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime (encoding = w3cdtf); (qualifier = exact); (point = start)
2015-09-28 18:53:44
AssociatedEntity
Name
Joshua Epstein
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 (ID = TECHNICAL1)
ContentModel
ETD
OperatingSystem (VERSION = 5.1)
windows xp
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