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A “Tips and Tricks” Practical Guide to the Synthesis of Metal Halide Perovskite Nanocrystals

https://doi.org/10.1021/acs.chemmater.0c01735

Zhang, Yangning ; Siegler, Timothy D. ; Thomas, Cherrelle J. ; Abney, Michael K. ; Shah, Tushti ; De Gorostiza, Anastacia ; Greene, Randalynn M. ; Korgel, Brian A. ( July 2020 , Chemistry of Materials)

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CuGaSe 2 and CuIn x Ga 1–x Se 2 Nanocrystals with Sphalerite or Wurtzite Phase for Optoelectronic Applications

https://doi.org/10.1021/acsanm.9b01237

Houck, Daniel W. ; Nandu, Simmi V. ; Siegler, Timothy D. ; Korgel, Brian A. ( June 2019 , ACS Applied Nano Materials)

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Development of wide bandgap perovskites for next-generation low-cost CdTe tandem solar cells

https://doi.org/10.1016/j.ces.2019.01.003

Siegler, Timothy D. ; Shimpi, Tushar M. ; Sampath, Walajabad S. ; Korgel, Brian A. ( May 2019 , Chemical Engineering Science)

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Predictive Modeling of CuInSe 2 Nanocrystal Photovoltaics: The Importance of Band Alignment and Carrier Diffusion

https://doi.org/10.1021/acsaem.8b02090

Houck, Daniel W. ; Siegler, Timothy D. ; Korgel, Brian A. ( January 2019 , ACS Applied Energy Materials)

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Bismuth Enhances the Stability of CH 3 NH 3 PbI 3 (MAPI) Perovskite under High Humidity

https://doi.org/10.1021/acs.jpcc.8b11674

Siegler, Timothy D. ; Houck, Daniel W. ; Cho, Shin Hum ; Milliron, Delia J. ; Korgel, Brian A. ( December 2018 , The Journal of Physical Chemistry C)

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Enhanced Open-Circuit Voltage of Wide-Bandgap Perovskite Photovoltaics by Using Alloyed (FA 1–x Cs x )Pb(I 1–x Br x ) 3 Quantum Dots

https://doi.org/10.1021/acsenergylett.9b01030

Suri, Mokshin ; Hazarika, Abhijit ; Larson, Bryon W. ; Zhao, Qian ; Vallés-Pelarda, Marta ; Siegler, Timothy D. ; Abney, Michael K. ; Ferguson, Andrew J. ; Korgel, Brian A. ; Luther, Joseph M. ( July 2019 , ACS Energy Letters)

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Deliquescent Chromism of Nickel(II) Iodide Thin Films

https://doi.org/10.1021/acs.langmuir.8b03979

Siegler, Timothy D. ; Reimnitz, Lauren C. ; Suri, Mokshin ; Cho, Shin Hum ; Bergerud, Amy J. ; Abney, Michael K. ; Milliron, Delia J. ; Korgel, Brian A. ( January 2019 , Langmuir)

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Addition of Monovalent Silver Cations to CH 3 NH 3 PbBr 3 Produces Crystallographically Oriented Perovskite Thin Films

https://doi.org/10.1021/acsaem.9b01298

Siegler, Timothy D. ; Zhang, Yangning ; Dolocan, Andrei ; Reimnitz, Lauren C. ; Torabi, Aida ; Abney, Michael K. ; Choi, Junho ; Cossio, Gabriel ; Houck, Daniel W. ; Yu, Edward T. ; et al ( August 2019 , ACS Applied Energy Materials)

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Synthesis of TlBr and Tl 2 AgBr 3 Nanocrystals

https://doi.org/10.1002/cnma.202000100

Siegler, Timothy D. ; Shah, Tushti ; Houck, Daniel W. ; Suri, Mokshin ; Zhang, Yangning ; Korgel, Brian A. ( March 2020 , ChemNanoMat)

Abstract
There are only a few examples of nanocrystal synthesis with thallium (Tl). Here, we report the synthesis of uniform, ligand‐stabilized colloidal nanocrystals of TlBr and Tl₂AgBr₃nanocrystals with average diameter ranging between 10 and 20 nm. TlBr nanocrystals are made by hot injection of trimethylsilyl bromide (TMSBr) into solutions of oleylamine, oleic acid and octadecene with thallium (III) or thallium (I) acetate. Tl₂AgBr₃nanocrystals form when silver (I) acetate is included in the reaction. The TlBr nanocrystals have CsCl crystal structure with a direct band gap of 3.1 eV. The Tl₂AgBr₃nanocrystals have trigonal dolomite crystal structure with an indirect band gap of 3.1 eV. The TlBr nanocrystals made with thallium (III) were sufficiently uniform to assemble into face‐centered cubic (fcc) superlattices.

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