Research




All-Inorganic Halide Perovskites


Understanding and engineering enhanced stability in all-inorganic cesium metal halide perovskite materials for photovoltaics.

References:

Dastidar, S.; Li, S.; Smolin, S. Y.; Baxter, J. B.; Fafarman, A. T. Slow Electron–Hole Recombination in Lead Iodide Perovskites Does Not Require a Molecular Dipole. ACS Energy Lett. 2017, 2239–2244, DOI: 10.1021/acsenergylett.7b00606.

Dastidar, S.; Hawley, C. J.; Dillon, A. D.; Gutierrez-Perez, A. D.; Spanier, J. E.; Fafarman, A. T. Quantitative Phase-Change Thermodynamics and Metastability of Perovskite-Phase Cesium Lead Iodide. J. Phys. Chem. Lett. 2017, 8 (6), 1278–1282, DOI: 10.1021/acs.jpclett.7b00134.

Dastidar, S.; Egger, D. A.; Tan, L. Z.; Cromer, S. B.; Dillon, A. D.; Liu, S.; Kronik, L.; Rappe, A. M.; Fafarman, A. T. High Chloride Doping Levels Stabilize the Perovskite Phase of Cesium Lead Iodide. Nano Lett. 2016, 16 (6), 3563–3570, DOI: 10.1021/acs.nanolett.6b00635.




Electrophoretic Deposition of Photovoltaics


Development of electrophoretic deposition of colloidal semiconductor building blocks for fabricating photovoltaic materials.

References:

Edley, M. E.; Opasanont, B.; Conley, J. T.; Tran, H.; Smolin, S. Y.; Li, S.; Dillon, A. D.; Fafarman, A. T.; Baxter, J. B. Solution Processed CuSbS2 Films for Solar Cell Applications. Thin Solid Films 2018, 646, 180–189, DOI: 10.1016/j.tsf.2017.12.002.

Dillon, A. D.; Le Quoc, L.; Goktas, M.; Opasanont, B.; Dastidar, S.; Mengel, S.; Baxter, J. B.; Fafarman, A. T. Thin Films of Copper Indium Selenide Fabricated with High Atom Economy by Electrophoretic Deposition of Nanocrystals under Flow. Chemical Engineering Science 2016, 154 (2), 128–135, DOI: 10.1016/j.ces.2016.06.056.




2D MXene Optical Materials

Solution processable optical and plasmonic 2D colloidal materials.

References:

Ying, G.; Dillon, A. D.; Fafarman, A. T.; Barsoum, M. W. Transparent, Conductive Solution Processed Spincast 2D Ti2CTx (MXene) Films. Materials Research Letters 2017, 5 (6), 391–398, DOI: 10.1080/21663831.2017.1296043.

Collini, P.; Kota, S.; Dillon, A. D.; Barsoum, M. W.; Fafarman, A. T. Electrophoretic Deposition of Two-Dimensional Titanium Carbide (MXene) Thick Films. J. Electrochem. Soc. 2017, 164 (9), D573–D580, DOI: 10.1149/2.0211709jes.

Dillon, A. D.; Ghidiu, M. J.; Krick, A. L.; Griggs, J.; May, S. J.; Gogotsi, Y.; Barsoum, M. W.; Fafarman, A. T. Highly Conductive Optical Quality Solution-Processed Films of 2D Titanium Carbide. Adv. Funct. Mater. 2016, 26 (23), 4162–4168, DOI: 10.1002/adfm.201600357.