Selected publications are provided below. Click here to see a full list of publications from the Schaller group via Google Scholar.
2024
 Coherent Phonon Dynamics in Plasmonic Gold Tetrahedral Nanoparticle EnsemblesB. M. Chandler, D. Dey, Y. Wang, X. Ye, G. C. Schatz, L. X. Chen, and R. D. Schaller. J. Phys. Chem. Lett., 2024, 15 (38), 9686–9691 |
 Intraband Cooling and Auger Recombination in Weakly to Strongly Quantum-Confined CsPbBr3 Perovskite NanocrystalsE. H. Oriel, D. N. Dirin, K. Shcherbak, M. I. Bodnarchuk, M. V. Kovalenko. L. X. Chen, and R. D. Schaller. J. Phys. Chem. Lett., 2024, 15 (23), 6062–6068 |
2023
 Cyclic versus Linear Alkylammonium Cations: Preventing Phase Transitions at Operational Temperatures in 2D PerovskitesS. A. Cuthriell, C. D. Malliakas, M. G. Kanatzidis, and R. D. Schaller. J. Am. Chem. Soc., 2023, 145 (21), 11710 |
 Light-Induced Transient Lattice Dynamics and Metastable Phase Transition in CH3NH3PbI3 NanocrystalsA. A. Leonard, B. T. Diroll, N. C. Flanders, S. Panuganti, A. Brumberg, M. S. Kirschner, S. A. Cuthriell, S. M. Harvey, N. E. Watkins, J. Yu, M. R. Wasielewski, M. G. Kanatzidis, W. R. Dichtel, X. Zhang, L. X. Chen and R. D. Schaller. ACS Nano, 2023, 17 (6), 5306 |
 Excitonic Spin-Coherence Lifetimes in CdSe Nanoplatelets Increase Significantly with Core/Shell MorphologyP. I. Martin, S. Panuganti, J. C. Portner, N. E. Watkins, M. G. Kanatzidis, D. V. Talapin, and R. D. Schaller. Nano Lett., 2023, 23 (4), 1467 |
 Reexamination of the Giant Oscillator Strength Effect in CdSe NanoplateletsB. T. Diroll and R. D. Schaller. J. Phys. Chem. C, 2023, 127 (9), 4601 |
2022
 Transient X-ray Diffraction Reveals Nonequilibrium Phase Transition in Thin Films of CH3NH3PbI3 PerovskiteS. Panuganti, S. A. Cuthriell, A. A. Leonard, M. A. Quintero, C. C. Laing, B. Gurzelturk, X. Zhang, L. X. Chen, M. G. Kanatzidis, and R. D. Schaller. ACS Energy Lett., 2023, 8 (1), 691-698 |
 Nonequilibrium Lattice Dynamics in Photoexcited 2D PerovskitesS. A. Cuthriell, S. Panuganti, C. C. Laing, M. A. Quintero, B. Gurzelturk, N. Yazdani, B. Traore, A. Brumberg, C. D. Malliakas, A. M. Lindenberg, V. Wood, C. Katan, J. Even, X. Zhang, M. G. Kanatzidis, and R. D. Schaller. Adv. Mat., 2022, 34 (44), 2202709 |
 Acceleration of Biexciton Radiative Recombination at Low Temperature in CdSe NanoplateletsA. Brumberg, N. E. Watkins, B. T. Diroll, and R. D. Schaller. Nano. Lett., 2022, 22 (17), 6997 |
 Gain roll-off cadmium selenide colloidal quantum wells under intense optical excitationB. T. Diroll, A. Brumberg, and R. D. Schaller. Sci. Rep., 2022, 12 (8016) |
2021
 Synthetic Ligand Selection Affects Stoichiometry, Carrier Dynamics, and Trapping in CuInSe2 NanocrystalsS. M. Harvey, D. W. Houck, W. Liu, Y. Liu, D. J. Gosztola, B. A. Korgel, M. R. Wasielewski, and R. D. Schaller. ACS Nano , 2021, 15 (12), 19588 |
 Surface Normal Lasing from CdSe Nanoplatelets Coupled to Aluminum Plasmonic Nanoparticle LatticesN. E. Watkins, J. Guan, B. T. Diroll, K. R. Williams, R. D. Schaller, and T. W. Odom J. Phys. Chem. C , 2021, 125 (36), 19874 |
 Distance Dependence of Förster Resonance Energy Transfer Rates in 2D Perovskite Quantum Wells via Control of Organic Spacer LengthS. Panuganti, L. V. Bestiero, E. S. Vasileiadou, J. M. Hoffman, A. O. Govorov, S. K. Gray, M. G. Kanatzidis, and R. D. Schaller J. Am. Chem. Soc. , 2021, 143 (11), 4244 |
 Photothermal behavior of titanium nitride nanoparticles evaluated by transient X-ray diffractionB. T. Diroll, A. Brumberg, A. A. Leonard, S. Panuganti, N. E. Watkins, S. A. Cuthriell, S. M. Harvey, E. D. Kinigstein, J. Yu, X. Zhang, M. G. Kanatzidis, M. R. Wasielewski, L. X. Chen, and R. D. Schaller Nanoscale, 2021, 4 (13), 2658 |
 Anisotropic Transient Disordering of Colloidal, Two-Dimensional CdSe Nanoplatelets upon Optical ExcitationA. Brumberg, M. S. Kirschner, B. T. Diroll, K. R. Williams, N. C. Flanders, S. M. Harvey, A. A. Leonard, N. E. Watkins, C. Liu, E. D. Kinigstein, J. Yu, A. M. Evans, Y. Liu, S. A. Cuthriell, S. Panuganti, W. R. Dichtel, M. G. Kanatzidis, M. R. Wasielewski, X. Zhang, L. X. Chen, and R. D. Schaller Nano Lett., 2021, 21 (3), 1288 |
2020
 Transient Lattice Response upon Photoexcitation in CuInSe2 Nanocrystals with Organic or Inorganic Surface PassivationS. M. Harvey, D. W. Houck, M. S. Kirschner, N. C. Flanders, A. Brumberg, A. A. Leonard, N. E. Watkins, L. X. Chen, W. R. Dichtel, X. Zhang, B. A. Korgel, M. R. Wasielewski, and R D. Schaller ACS Nano, 2020, 14 (10), 13548 |
 Intersubband Relaxation in CdSe Colloidal Quantum WellsB. T. Diroll and R. D. Schaller ACS Nano, 2020, 14 (9), 12082 |
 Direct Observation of Bandgap Oscillations Induced by Optical Phonons in Hybrid Lead Iodide PerovskitesP. Guo, Y. Xia, J. Gong, D. H. Cao, X. Li, X. Li, Q. Zhang, C. C. Stoumpos, M. S. Kirschner, H. Wen, V. B. Prakapenka, J. B. Ketterson, A. B. F. Martinson, T. Xu M. G. Kanatzidis, M. K. Y. Chan, and R D. Schaller Adv. Funct. Mater., 2020, 30 (22), 1907982 |
 Broadband Ultrafast Dynamics of Refractory Metals: TiN and ZrNB. T. Diroll, S. Saha, V. M. Shalaev, A. Boltasseva, and R. D. Schaller Adv. Opt. Mater., 2020, 8 (9), 2000652 |
 Phase control of coherent acoustic phonons in gold bipyramids for optical memory and manipulating plasmon–exciton couplingM. S. Kirschner, X.-M. Lin, L. X. Chen, and R. D. Schaller Appl. Phys. Lett., 2020, 116 (15), 153102 |
 Photophysical implications of ring fusion, linker length, and twisting angle in a series of perylenediimide-thienoacene dimersA. A. Leonard, M. A. Mosquera, L. O. Jones, Z. Cai, T. J. Fauvell, M. S. Kirschner, D. J. Gosztola, G. C. Schatz, R. D. Schaller, L. Yu, and L. X. Chen Chem. Sci., 2020, 11 7133 |
 Heat-driven acoustic phonons in lamellar nanoplatelet assembliesB. T. Diroll, V. Kamysbayev, I. Coropceanu, D. V. Talapin, and R. D. Schaller Nanoscale, 2020, 12, 9661 |
2019
 Phonon-Induced Plasmon-Exciton Coupling Changes Probed via Oscillation-Associated SpectraM. S. Kirschner, Y. Jeong, A. P. Spencer, N. E. Watkins, X. Lin, G. C. Schatz, L. X. Chen, and R. D. Schaller Appl. Phys. Lett., 2019, 115, 111903 |
 Polarized Near-Infrared Intersubband Absorptions in CdSe Colloidal Quantum WellsB. T. Diroll, M. Chen, I. Coropceanu, K. R. Williams, D. V. Talapin, P. Guyot-Sionnest, and R. D. Schaller Nat. Commun., 2019, 10, 4511 |
 Spectroscopic Comparison of Thermal Transport at Organic–Inorganic and Organic-Hybrid Interfaces Using CsPbBr3 and FAPbBr3 (FA = Formamidinium) Perovskite NanocrystalsB. T. Diroll, A. Mannodi-Kanakkithodi, M. K. Y. Chan, and R. D. Schaller Nano Lett. , 2019, 19 (11), 8155 |
 Heating and Cooling of Ligand-Coated Colloidal Nanocrystals in Solid Films and Solvent MatricesB. T. Diroll and R. D. Schaller Nanoscale, 2019, 11, 8204 |
 Intraband Cooling in All‐Inorganic and Hybrid Organic–Inorganic Perovskite NanocrystalsB. T. Diroll and R. D. Schaller Adv. Funct. Mater., 2019, 29 (37), 1901725 |
 Determination of the In-Plane Exciton Radius in 2D CdSe Nanoplatelets via Magneto-Optical SpectroscopyA. Brumberg, S. M. Harvey, J. P. Philbin, B. T. Diroll, B. Lee, S. A. Crooker, M. R. Wasielewski, E. Rabani, and R. D. Schaller ACS Nano, 2019, 13 (8), 8589 |
 Optical and Physical Probing of Thermal Processes in Semiconductor and Plasmonic NanocrystalsB. T. Diroll, M. S. Kirschner, P. Guo, and R. D. Schaller Annu. Rev. Phys. Chem., 2019, 70 (1), 353 |
 Shape-Selective Optical Transformations of CdSe Nanoplatelets Driven by Halide Ion Ligand ExchangeB. T. Diroll and R. D. Schaller Chem. Mater., 2019, 31 (9), 3556 |
 Thermal Excitation Control over Photon Emission Rate of CdSe NanocrystalsB. T. Diroll and R. D. Schaller Nano Lett., 2019, 19 (4), 2322 |
 Synthesis of Type I PbSe/CdSe Dot-on-Plate Heterostructures with Near-Infrared EmissionK. R. Williams, B. T. Diroll, N. E. Watkins, X. Rui, A. Brumberg, R. F. Klie, and R. D. Schaller J. Am. Chem. Soc., 2019, 141 (13), 5092 |
 Photoinduced, Reversible Phase Transition in All-Inorganic Perovskite NanocrystalsM. S. Kirschner, B. T. Diroll, P. Guo, S. M. Harvey, W. Helweh, N. C. Flanders, A. Brumberg, N. E. Watkins, A. A. Leonard, A. M. Evans, M. R. Wasielewski, W. R. Dichtel, X. Zhang, L. X. Chen, and R. D. Schaller Nat. Commun., 2019, 10, 504 |
 Infrared-Pump Electronic-Probe of Methylammonium Lead Iodide Reveals Electronically Decoupled Organic and Inorganic SublatticesP. Guo, A. Mannodi-Kanakkithodi, J. Gong, Y. Xia, C. C. Stoumpos, D. H. Cao, B. T. Diroll, J. B. Ketterson, G. P. Wiederrecht, T. Xu, M. K. Y. Chan, M. G. Kanatzidis, and R. D. Schaller Nat. Commun. 2019, 10, 482 |
2018
 Heat Transfer at Hybrid Interfaces: Interfacial Ligand-to-Nanocrystal Heating Monitored with Infrared Pump, Electronic Probe SpectroscopyB. T. Diroll, P. Guo, and R. D. Schaller Nano Lett, 2018, 18 (12), 7863 |
 Semiconductor Nanoplatelet ExcimersB. T. Diroll, W. Cho, I. Coropceanu, S. M. Harvey, A. Brumberg, N. Holtgrewe, S. A. Crooker, M. R. Wasielewski, V. B. Parakapenka, D. V. Talapin, and R. D. Schaller Nano Lett, 2018, 18 (11), 6948 |
 Optical Signatures of Transiently Disordered Semiconductor NanocrystalsM. S. Kirschner, B. T. Diroll, A. Brumberg, A. A. Leonard, D. C. Hannah, L. X. Chen, and R. D. Schaller ACS Nano, 2018, 12 (10), 10008 |
 Slow Thermal Equilibration in Methylammonium Lead Iodide Revealed by Transient Mid-Infrared SpectroscopyP. Guo, J. Gong, S. Sadasivam, Y. Xia, T.-B. Song, B. T. Diroll, C. C. Stoumpos, J. B. Ketterson, M. G. Kanatzidis, M. K. Y. Chan, P. Darancet, T. Xu, and R. D. Schaller Nat. Commun. 2018, 9, 2792 |
 Auger Heating and Thermal Dissipation in Zero-Dimensional CdSe Nanocrystals Examined Using Femtosecond Stimulated Raman SpectroscopyS. M. Harvey, B. T Phelan, D. C. Hannah, K. E Brown, R. M. Young, M. S. Kirschner, M. R. Wasielewski, and R. D. Schaller J. Phys. Chem. Lett. 2018, 9 (16), 4481 |
 Hyperbolic Dispersion Arising from Anisotropic Excitons in Two-Dimensional PerovskitesP. Guo, W. Huang, C. C. Stoumpos, L. Mao, J. Gong, L. Zeng, B. T. Diroll, Y. Xia, X. Ma, D. J. Gosztola, T. Xu, J. B. Ketterson, M. J. Bedzyk, A. Facchetti, T. J. Marks, M. G. Kanatzidis, and R. D. Schaller Phys. Rev. Lett. 2018, 121 (12), 127401 |
 Material Dimensionality Effects on Electron Transfer Rates Between CsPbBr3 and CdSe NanoparticlesA. Brumberg, B. T. Diroll, G. Nedelcu, M. E. Sykes, Y. Liu, S. M. Harvey, M. R. Wasielewski, M. V. Kovalenko, and R. D. Schaller Nano Lett. 2018, 18 (8), 4771 |
 Low‐Temperature Absorption, Photoluminescence, and Lifetime of CsPbX3 (X = Cl, Br, I) NanocrystalsB. T. Diroll, H. Zhou, and R. D. Schaller Adv. Funct. Mater. 2018, 28 (30), 1800945 |
 Cross-Plane Coherent Acoustic Phonons in Two-Dimensional Organic-Inorganic Hybrid PerovskitesP. Guo, C. C. Stoumpos, L. Mao, S. Sadasivam, J. B. Ketterson, P. Darancet, M. G. Kanatzidis, and R. D. Schaller Nat. Commun. 2018, 9, 2019 |
 Low-Loss Near-Infrared Hyperbolic Metamaterials with Epitaxial ITO-In2O3 MultilayersP. Guo, B. T. Diroll, W. Huang, L. Zeng, B. Wang, M. J. Bedzyk, A. Facchetti, T. J. Marks, R. P. H. Chang, and R. D. Schaller ACS Photonics 2018, 5 (5), 2000 |
 Elevated Temperature Photophysical Properties and Morphological Stability of CdSe and CdSe/CdS NanoplateletsC. E. Rowland, I. Fedin, B. T. Diroll, Y. Liu, D. V. Talapin, and R. D. Schaller J. Phys. Chem. Lett. 2018, 9 (2), 286 |
 Phonon-Driven Oscillatory Plasmonic Excitonic NanomaterialsM. S. Kirschner, W. Ding, Y. Li, C. T. Chapman, A. Lei, X. Lin, L. X. Chen, G. C. Schatz, and R. D. Schaller Nano Lett. 2018, 18 (1), 442 |
 Unique Optical Properties of Methylammonium Lead Iodide Nanocrystals Below the Bulk Tetragonal-Orthorhombic Phase TransitionB. T. Diroll, P. Guo, and R. D. Schaller Nano Lett. 2018, 18 (2), 846 |
2017
 Polar Fluctuations in Metal Halide Perovskites Uncovered by Acoustic Phonon AnomaliesP. Guo, Y. Xia, J. Gong, C. C. Stoumpos, K. M. McCall, G. C. B. Alexander, Z. Mall, H. Zhoull, D. J. Gosztola, J. B. Ketterson, M. G. Kanatzidis, T. Xu, M. K. Y. Chan, and R. D. Schaller ACS Ener. Lett. 2017, 2 (10), 2463 |
 Ultrafast Silicon Photonics with Visible to Mid-Infrared Pumping of Silicon NanocrystalsB. T. Diroll, K. S. Schramke, P. Guo, U. R. Kortshagen, and R. D. Schaller Nano Lett. 2017, 17 (10), 6409 |
 Transient Melting and Recrystallization of Semiconductor Nanocrystals Under Multiple Electron–Hole Pair ExcitationM. S. Kirschner, D. C. Hannah, B. T. Diroll, X. Zhang, M. J. Wagner, D. Hayes, A. Y. Chang, C. E. Rowland, C. M. Lethiec, G. . Schatz, L. X. Chen, and R. D. Schaller Nano Lett. 2017, 17 (9), 5314 |
 Tunable Infrared Hyperbolic Metamaterials with Periodic Indium-Tin-Oxide NanorodsP. Guo, R. P. H. Chang, and R. D. Schaller Appl. Phys. Lett. 2017, 111, 021108 |
 Transient Negative Optical Nonlinearity of Indium Oxide Nanorod Arrays in the Full-Visible RangeP. Guo, R. P. H. Chang, and R. D. Schaller ACS Photonics 2017, 4 (6), 1494 |
 High‐Temperature Photoluminescence of CsPbX3 (X= Cl, Br, I) NanocrystalsB. T. Diroll, G. Nedelcu, M. V. Kovalenko, and R. D. Schaller Adv. Funct. Mater. 2017, 27 (21), 1606750 |
 Violet-to-Blue Gain and Lasing from Colloidal CdS Nanoplatelets: Low-Threshold Stimulated Emission Despite Low Photoluminescence Quantum YieldB. T. Diroll, D. V. Talapin, and R. D. Schaller ACS Photonics 2017, 4 (3), 576 |
2016
 Conformal Coating of a Phase Change Material on Ordered Plasmonic Nanorod Arrays for Broadband All-Optical SwitchingP. Guo, M. S. Weimer, J. D. Emery, B. T. Diroll, X. Chen, A. S. Hock, R. P. H. Chang, A. B. F. Martinson, and R. D. Schaller ACS Nano 2017, 11 (1), 693 |
 Large Transient Optical Modulation of Epsilon-Near-Zero Colloidal NanocrystalsB. T. Diroll, P. Guo, R. P. H. Chang, and R. D. Schaller ACS Nano 2016, 10 (11), 10099 |
 Large Optical Nonlinearity of Indium-Tin-Oxide Nanorods for Sub-Picosecond All-Optical Modulation of the Full Visible SpectrumP. Guo, R.D. Schaller, L.E. Ocola, B.T. Diroll, J.B. Ketterson, R.P.H. Chang Nat. Commun. 2016, 7, 12892 |
 Surface-Area Dependent Electron Transfer Between Isoenergetic 2D Quantum Wells and a Molecular AcceptorB.T. Diroll, I. Fedin, P. Darancet, D.V. Talapin, R. D. Schaller J. Am. Chem. Soc. 2016, 138 (35), 11109 |
 Gigahertz Acoustic Vibrations of Elastically Anisotropic Indium-Tin-Oxide Nanorod ArraysP. Guo, R.D. Schaller, L.E. Ocola, J.B. Ketterson, and R.P.H. Chang Nano Lett. 2016, 16 (9), 5639 |
 Slow Organic-to-Inorganic Sub-Lattice Thermalization in Methylammonium Lead Iodide Perovskites Observed by Ultrafast PhotoluminescenceA.Y. Chang, Y.-J. Cho, K.-C. Chen, C.-W. Chen, A. Kinaci, M.K.Y. Chan, H.-W. Lin, and R.D. Schaller Adv. Energy Mater. 2016, 6, 1600422 |
 Size-Dependent Coherent Phonon Plasmon Modulations and Deformation Characterization in Gold Bipyramids and NanojavelinsM.S. Kirschner, C.M. LeThiec, X.-M. Lin, G.C. Schatz, L.X. Chen, and R.D. Schaller ACS Photonics 2016, 3 (5), 758 |
 Ultrafast Switching of Tunable Infrared Plasmons in Indium Tin Oxide Nanorod Arrays with Large Absolute AmplitudeP. Guo, R.D. Schaller, J.B. Ketterson, and R.P.H. Chang Nat. Photonics 2016, 14, 267 |
2015
 Reverse Non-Equilibrium Molecular Dynamics Demonstrates that Surface Passivation Controls Thermal Transport at Semiconductor-Solvent InterfacesD.C. Hannah, J.D. Gezelter, R.D. Schaller, and G.C. Schatz ACS Nano 2015, 9 (6), 6278 |
 Picosecond Energy Transfer and Multiexciton Transfer Outpaces Auger Recombination in Binary CdSe Nano-Platelet SolidsC.E. Rowland, I. Fedin, H. Zhang, A.O. Govorov, S.K. Gray, D.V. Talapin, and R.D. Schaller Nat. Mater. 2015, 14, 484 |
2014
 Ultrafast Photoluminescence in Quantum-Confined Silicon Nanoparticles Arises from an Amorphous Surface LayerD.C. Hannah, J. Yang, G.C. Schatz, U. Kortshagen, and R.D. Schaller ACS Photonics 2014, 1 (10), 960 |
 Silicon Nanocrystals at Elevated Temperatures: Retention of Photoluminescence and Diamond- to β-Silicon Carbide Phase TransitionC.E. Rowland, D.C. Hannah, A. Demortiere, J. Yang, R.E. Cook, V.B. Prakapenka, U. Kortshagen, and R.D. Schaller ACS Nano 2014, 8 (9), 9219 |
 Carrier Dynamics of Highly Quantum-Confined Indium Antimonide NanocrystalsA.Y. Chang, W. Liu, D.V. Talapin, and R.D. Schaller ACS Nano 2014, 8 (8), 8513 |
 Thermal Stability of Colloidal InP Nanocrystals: Small Inorganic Ligands Boost High-Temperature PhotoluminescenceC.E. Rowland, W. Liu, D.C. Hannah, M.K.Y. Chan, D.V. Talapin, and R.D. Schaller ACS Nano 2014, 8 (1), 977 |
2013
 Direct Measurement of Lattice Dynamics and Optical Phonon Generation in Semiconductor Nanocrystals via Femtosecond Stimulated Raman SpectroscopyD.C. Hannah, K. Brown, R.Young, M.R. Wasielewski, G.C. Schatz, D.T. Co, and R.D. Schaller Phys. Rev. Lett. 2013, 111, 107401 |
 Exciton Fate in Semiconductor Nanocrystals at Elevated Temperatures: Hole Trapping Outcompetes Exciton DeactivationC.E. Rowland and R.D. Schaller J. Phys. Chem. C 2013, 117 (33), 17337 |
 Ultrafast Dynamics of a Vapor-Deposited Small Molecule Organic Solar CellA.Y. Chang, Y.-H. Chen, H.-W. Lin and R.D. Schaller J. Am. Chem. Soc. 2013, 135 (24), 8790 |
2012
 Particle-level Control of Effective Thermal Conductivity in Matrix-Embedded Semiconductor NanocrystalsD.C. Hannah, Sandrine Ithurria, G. Krylova, E. Shevchenko, D.V. Talapin, G.C. Schatz and R. D. Schaller Nano Lett. 2012, 12 (11), 5797 |
 On the Origin of Photoluminescence in Silicon Nanocrystals: Pressure-Dependent Structural and Optical StudiesD.C. Hannah, J.Yang, P. Podsiadlo, M. Chan, A. Demortiere, D.J. Gosztola, V.B. Prakapenka, G.C. Schatz, U. Kortshagen, and R.D. Schaller Nano Lett. 2012, 12 (8), 4200 |
2011
D.C. Hannah, N.J. Dunn, S. Ithurria, D.V. Talapin, L.X. Chen, M. Pelton, G.C. Schatz and R.D. Schaller Phys. Rev. Lett. 2011, 107, 177403 |