Controlled synthesis of Eu 2+ and Eu 3+ doped ZnS quantum dots and their photovoltaic and magnetic properties

Horoz, Sabit; Yakami, Baichhabi; Poudyal, Uma; Pikal, Jon M.; Wang, Wenyong; Tang, Jinke

doi:10.1063/1.4948510

Title: Controlled synthesis of Eu ²⁺ and Eu ³⁺ doped ZnS quantum dots and their photovoltaic and magnetic properties

Abstract

Eu-doped ZnS quantum dots (QDs) have been synthesized by wet-chemical method and found to form in zinc blende (cubic) structure. Both Eu²⁺ and Eu³⁺ doped ZnS can be controllably synthesized. The Eu²⁺ doped ZnS QDs show broad photoluminescence emission peak around 512 nm, which is from the Eu2+ intra-ion transition of 4f⁶d1 – 4f⁷, while the Eu³⁺ doped samples exhibit narrow emission lines characteristic of transitions between the 4f levels. The investigation of the magnetic properties shows that the Eu³⁺ doped samples exhibit signs of ferromagnetism, on the other hand, Eu²⁺ doped samples are paramagnetic of Curie-Weiss type. The incident photon to electron conversion efficiency is increased with the Eu doping, which suggests the QD solar cell efficiency can be enhanced by Eu doping due to widened absorption windows. This is an attractive approach to utilize benign and environmentally friendly wide band gap ZnS QDs in solar cell technology.

Authors:

Horoz, Sabit; Yakami, Baichhabi; Poudyal, Uma;

; Wang, Wenyong; Tang, Jinke

Publication Date:: Fri Apr 01 00:00:00 EDT 2016

Research Org.:: Univ. of Wyoming, Laramie, WY (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR); USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1249619

Alternate Identifier(s):: OSTI ID: 1393432; OSTI ID: 1421036

Grant/Contract Number:: FG02-10ER46728; SC0004981

Resource Type:: Published Article

Journal Name:: AIP Advances

Additional Journal Information:: Journal Name: AIP Advances Journal Volume: 6 Journal Issue: 4; Journal ID: ISSN 2158-3226

Publisher:: American Institute of Physics

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Horoz, Sabit, Yakami, Baichhabi, Poudyal, Uma, Pikal, Jon M., Wang, Wenyong, and Tang, Jinke. Controlled synthesis of Eu 2+ and Eu 3+ doped ZnS quantum dots and their photovoltaic and magnetic properties.  United States: N. p., 2016. 
Web.  doi:10.1063/1.4948510.

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                    Horoz, Sabit, Yakami, Baichhabi, Poudyal, Uma, Pikal, Jon M., Wang, Wenyong, & Tang, Jinke. Controlled synthesis of Eu 2+ and Eu 3+ doped ZnS quantum dots and their photovoltaic and magnetic properties.  United States.  https://doi.org/10.1063/1.4948510

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                    Horoz, Sabit, Yakami, Baichhabi, Poudyal, Uma, Pikal, Jon M., Wang, Wenyong, and Tang, Jinke. Fri .  
"Controlled synthesis of Eu 2+ and Eu 3+ doped ZnS quantum dots and their photovoltaic and magnetic properties".  United States.  https://doi.org/10.1063/1.4948510.

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@article{osti_1249619,

  title        = {Controlled synthesis of Eu 2+ and Eu 3+ doped ZnS quantum dots and their photovoltaic and magnetic properties},

  author       = {Horoz, Sabit and Yakami, Baichhabi and Poudyal, Uma and Pikal, Jon M. and Wang, Wenyong and Tang, Jinke},

  abstractNote = {Eu-doped ZnS quantum dots (QDs) have been synthesized by wet-chemical method and found to form in zinc blende (cubic) structure. Both Eu2+ and Eu3+ doped ZnS can be controllably synthesized. The Eu2+ doped ZnS QDs show broad photoluminescence emission peak around 512 nm, which is from the Eu2+ intra-ion transition of 4f6d1 – 4f7, while the Eu3+ doped samples exhibit narrow emission lines characteristic of transitions between the 4f levels. The investigation of the magnetic properties shows that the Eu3+ doped samples exhibit signs of ferromagnetism, on the other hand, Eu2+ doped samples are paramagnetic of Curie-Weiss type. The incident photon to electron conversion efficiency is increased with the Eu doping, which suggests the QD solar cell efficiency can be enhanced by Eu doping due to widened absorption windows. This is an attractive approach to utilize benign and environmentally friendly wide band gap ZnS QDs in solar cell technology.},

  doi          = {10.1063/1.4948510},

  journal      = {AIP Advances},

  number       = 4,

  volume       = 6,

  place        = {United States},

  year         = {Fri Apr 01 00:00:00 EDT 2016},

  month        = {Fri Apr 01 00:00:00 EDT 2016}

}

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Works referencing / citing this record:

Synthesis, structural, optical and photocatalytic properties of Fe-alloyed CdZnS nanoparticles
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Title: Controlled synthesis of Eu 2+ and Eu 3+ doped ZnS quantum dots and their photovoltaic and magnetic properties

Abstract

Citation Formats

Synthesis and Characterization of a Size Series of Extremely Small Thiol-Stabilized CdSe Nanocrystals journal, April 1999

Local structures around Mn luminescent centers in Mn-doped nanocrystals of ZnS journal, September 1994

Semiconductor Clusters, Nanocrystals, and Quantum Dots journal, February 1996

Optical properties of manganese-doped nanocrystals of ZnS journal, January 1994

Structure and photoluminescence studies on ZnS:Mn nanoparticles journal, January 2004

Preparation and photoluminescent properties of doped nanoparticles of ZnS by solid-state reaction journal, January 2010

Absorption Induced by Mn Doping of ZnS for Improved Sensitized Quantum-Dot Solar Cells journal, February 2015

Syntheses and Applications of Mn-Doped II-VI Semiconductor Nanocrystals journal, September 2005

Size dependence of Eu2+ fluorescence in ZnS:Eu2+ nanoparticles journal, March 2001

Optical and magnetic properties of ZnS nanoparticles doped with Mn2+ journal, August 2005

Optical properties and characteristics of ZnS nano-particles with homogeneous Mn distribution journal, April 1996

Structural, optical and photoluminescence properties of ZnS: Cu nanoparticle thin films as a function of dopant concentration and quantum confinement effect journal, October 2007

Energy structure and fluorescence of Eu 2 + in ZnS:Eu nanoparticles journal, April 2000

Photoluminescence of Eu 2+ Doped ZnS Nanocrystals journal, August 2000

Wide band gap ferromagnetic semiconductors and oxides journal, January 2003

Spintronics: A Spin-Based Electronics Vision for the Future journal, November 2001

Synthesis and photoluminescence properties of ZnMnS nanobelts journal, March 2004

Effects of synthesis temperature on particle size/shape and photoluminescence characteristics of ZnS:Cu nanocrystals journal, January 2004

Luminescence characteristics of impurities-activated ZnS nanocrystals prepared in microemulsion with hydrothermal treatment journal, July 1998

Relationship between the coprecipitation mechanism, doping structure and physical properties of Zn 1− x Co x S nanocrystallites journal, January 2007

Doping induced magnetism in Co–ZnS nanoparticles journal, October 2009

Synthesis and characterization of nano ZnS doped with Mn journal, February 2009

Room temperature ferromagnetism in MnxZn1−xS (x=0.00–0.07) nanoparticles journal, November 2012

Synthesis and Magnetic Properties of Single-Crystalline Mn/Fe-Doped and Co-doped ZnS Nanowires and Nanobelts journal, March 2009

Room temperature ferromagnetic behavior of Eu doped Cd1−x Zn x S nanoparticles journal, August 2010

Synthesis and characterization of sol-gel derived ZnS : Mn2+ nanocrystallites embedded in a silica matrix journal, June 2002

Magnetic and optical properties of Fe doped ZnS nanoparticles synthesized by microemulsion method journal, November 2011

CdSe quantum dots synthesized by laser ablation in water and their photovoltaic applications journal, November 2012

Photoluminescence and photoconductivity of ZnS:Mn2+ nanoparticles synthesized via co-precipitation method journal, September 2010

Photoluminescence of ZnS Nanoparticles Doped with Europium Ions in a Polymer Matrix journal, January 1998

Photoluminescence properties of Eu3+-doped ZnS nanocrystals prepared in a water/methanol solution journal, May 2002

Zn 2 SnO 4 Nanowires as Photoanode for Dye-Sensitized Solar Cells and the Improvement on Open-Circuit Voltage journal, May 2012

Preparation and luminescent properties of Eu3+-doped zinc sulfide nanocrystals journal, March 2004

Effect of Cr doping on the structural and optical properties of ZnS nanoparticles journal, June 2011

Magnetism in undoped ZnS studied from density functional theory journal, June 2014

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Ultrathin ZnS Single Crystal Nanowires: Controlled Synthesis and Room-Temperature Ferromagnetism Properties journal, October 2011

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Title: Controlled synthesis of Eu ²⁺ and Eu ³⁺ doped ZnS quantum dots and their photovoltaic and magnetic properties

Synthesis and Characterization of a Size Series of Extremely Small Thiol-Stabilized CdSe Nanocrystals
journal, April 1999

Local structures around Mn luminescent centers in Mn-doped nanocrystals of ZnS
journal, September 1994

Semiconductor Clusters, Nanocrystals, and Quantum Dots
journal, February 1996

Optical properties of manganese-doped nanocrystals of ZnS
journal, January 1994

Structure and photoluminescence studies on ZnS:Mn nanoparticles
journal, January 2004

Preparation and photoluminescent properties of doped nanoparticles of ZnS by solid-state reaction
journal, January 2010

Absorption Induced by Mn Doping of ZnS for Improved Sensitized Quantum-Dot Solar Cells
journal, February 2015

Syntheses and Applications of Mn-Doped II-VI Semiconductor Nanocrystals
journal, September 2005

Size dependence of Eu2+ fluorescence in ZnS:Eu2+ nanoparticles
journal, March 2001

Optical and magnetic properties of ZnS nanoparticles doped with Mn2+
journal, August 2005

Optical properties and characteristics of ZnS nano-particles with homogeneous Mn distribution
journal, April 1996

Structural, optical and photoluminescence properties of ZnS: Cu nanoparticle thin films as a function of dopant concentration and quantum confinement effect
journal, October 2007

Energy structure and fluorescence of ${Eu}^{2 +}$ in ZnS:Eu nanoparticles
journal, April 2000

Photoluminescence of Eu ²⁺ Doped ZnS Nanocrystals
journal, August 2000

Wide band gap ferromagnetic semiconductors and oxides
journal, January 2003

Spintronics: A Spin-Based Electronics Vision for the Future
journal, November 2001

Synthesis and photoluminescence properties of ZnMnS nanobelts
journal, March 2004

Effects of synthesis temperature on particle size/shape and photoluminescence characteristics of ZnS:Cu nanocrystals
journal, January 2004

Luminescence characteristics of impurities-activated ZnS nanocrystals prepared in microemulsion with hydrothermal treatment
journal, July 1998

Relationship between the coprecipitation mechanism, doping structure and physical properties of Zn _{1− x} Co _x S nanocrystallites
journal, January 2007

Doping induced magnetism in Co–ZnS nanoparticles
journal, October 2009

Synthesis and characterization of nano ZnS doped with Mn
journal, February 2009

Room temperature ferromagnetism in MnxZn1−xS (x=0.00–0.07) nanoparticles
journal, November 2012

Synthesis and Magnetic Properties of Single-Crystalline Mn/Fe-Doped and Co-doped ZnS Nanowires and Nanobelts
journal, March 2009

Room temperature ferromagnetic behavior of Eu doped Cd1−x Zn x S nanoparticles
journal, August 2010

Synthesis and characterization of sol-gel derived ZnS : Mn2+ nanocrystallites embedded in a silica matrix
journal, June 2002

Magnetic and optical properties of Fe doped ZnS nanoparticles synthesized by microemulsion method
journal, November 2011

CdSe quantum dots synthesized by laser ablation in water and their photovoltaic applications
journal, November 2012

Photoluminescence and photoconductivity of ZnS:Mn2+ nanoparticles synthesized via co-precipitation method
journal, September 2010

Photoluminescence of ZnS Nanoparticles Doped with Europium Ions in a Polymer Matrix
journal, January 1998

Photoluminescence properties of Eu3+-doped ZnS nanocrystals prepared in a water/methanol solution
journal, May 2002

Zn ₂ SnO ₄ Nanowires as Photoanode for Dye-Sensitized Solar Cells and the Improvement on Open-Circuit Voltage
journal, May 2012

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journal, March 2004

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journal, June 2011

Magnetism in undoped ZnS studied from density functional theory
journal, June 2014

Possible mechanism for d ⁰ ferromagnetism mediated by intrinsic defects
journal, January 2014

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journal, October 2011

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journal, June 2010

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