Hemamala Karunadasa

Hemamala Karunadasa's AcademicInfluence.com Rankings

Hemamala Karunadasa

Chemistry

#3132

World Rank

#4123

Historical Rank

chemistry Degrees

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Chemistry

Hemamala Karunadasa's Degrees

Bachelors Chemistry University of California, Berkeley

Why Is Hemamala Karunadasa Influential?

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According to Wikipedia, Hemamala Indivari Karunadasa is an assistant professor of chemistry at Stanford University. She works on hybrid organic – inorganic materials, such as perovskites, for clean energy and large area lighting.

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Hemamala Karunadasa's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

A layered hybrid perovskite solar-cell absorber with enhanced moisture stability. (2014) (1561)
A Bismuth-Halide Double Perovskite with Long Carrier Recombination Lifetime for Photovoltaic Applications. (2016) (1148)
Reversible photo-induced trap formation in mixed-halide hybrid perovskites for photovoltaics† †Electronic supplementary information (ESI) available: Experimental details, PL, PDS spectra and XRD patterns. See DOI: 10.1039/c4sc03141e Click here for additional data file. (2014) (1138)
A Molecular MoS2 Edge Site Mimic for Catalytic Hydrogen Generation (2012) (1026)
Intrinsic white-light emission from layered hybrid perovskites. (2014) (712)
A molecular molybdenum-oxo catalyst for generating hydrogen from water (2010) (570)
White-Light Emission from Layered Halide Perovskites. (2018) (559)
Self-assembly of broadband white-light emitters. (2014) (507)
Light-Induced Phase Segregation in Halide-Perovskite Absorbers (2016) (430)
Tuning the Luminescence of Layered Halide Perovskites. (2019) (371)
Mechanism for Broadband White-Light Emission from Two-Dimensional (110) Hybrid Perovskites. (2016) (351)
High-Pressure Single-Crystal Structures of 3D Lead-Halide Hybrid Perovskites and Pressure Effects on their Electronic and Optical Properties (2016) (276)
Defect-Induced Band-Edge Reconstruction of a Bismuth-Halide Double Perovskite for Visible-Light Absorption. (2017) (206)
Chemical Approaches to Addressing the Instability and Toxicity of Lead-Halide Perovskite Absorbers. (2017) (205)
Layered Halide Double Perovskites: Dimensional Reduction of Cs2AgBiBr6. (2018) (201)
CH3NH3PbI3 perovskite single crystals: surface photophysics and their interaction with the environment† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c5sc02542g Click here for additional data file. (2015) (146)
Pressure-induced conductivity and yellow-to-black piezochromism in a layered Cu-Cl hybrid perovskite. (2015) (141)
Light-induced picosecond rotational disordering of the inorganic sublattice in hybrid perovskites (2017) (136)
Low-temperature spin freezing in the Dy 2 Ti 2 O 7 spin ice (2003) (133)
Pressure-Induced Metallization of the Halide Perovskite (CH3NH3)PbI3. (2017) (115)
Halide Perovskites under Pressure: Accessing New Properties through Lattice Compression (2017) (107)
The Diversity of Layered Halide Perovskites (2018) (107)
Small-Band-Gap Halide Double Perovskites. (2018) (96)
Broadband Emission with a Massive Stokes Shift from Sulfonium Pb–Br Hybrids (2017) (95)
Charge Carrier Dynamics in Cs2AgBiBr6 Double Perovskite (2018) (93)
Quinone-Functionalized Carbon Black Cathodes for Lithium Batteries with High Power Densities (2015) (86)
Red-to-Black Piezochromism in a Compressible Pb–I–SCN Layered Perovskite (2016) (83)
Terahertz Emission from Hybrid Perovskites Driven by Ultrafast Charge Separation and Strong Electron–Phonon Coupling (2018) (80)
Post-synthetic halide conversion and selective halogen capture in hybrid perovskites (2015) (78)
Electrochemical generation of hydrogen from acetic acid using a molecular molybdenum–oxo catalyst (2012) (75)
Quantum-classical reentrant relaxation crossover in Dy2Ti2O7 spin ice. (2003) (68)
Acoustic phonon lifetimes limit thermal transport in methylammonium lead iodide (2018) (67)
Computational and experimental study of the mechanism of hydrogen generation from water by a molecular molybdenum-oxo electrocatalyst. (2012) (67)
Ba2LnSbO6 and Sr2LnSbO6 (Ln = Dy, Ho, Gd) double perovskites: Lanthanides in the geometrically frustrating fcc lattice (2003) (66)
Between the Sheets: Postsynthetic Transformations in Hybrid Perovskites (2017) (64)
Visualization of dynamic polaronic strain fields in hybrid lead halide perovskites (2020) (60)
Honeycombs of triangles and magnetic frustration in SrL2O4 (L=Gd, Dy, Ho, Er, Tm, and Yb) (2005) (58)
Preserving a robust CsPbI3 perovskite phase via pressure-directed octahedral tilt (2021) (58)
Low-spin hexacoordinate Mn(III): synthesis and spectroscopic investigation of homoleptic tris(pyrazolyl)borate and tris(carbene)borate complexes. (2013) (49)
Quantum and thermal spin relaxation in the diluted spin ice Dy2−xMxTi2O7 (M=Lu,Y) (2004) (48)
Enhancing the magnetic anisotropy of cyano-ligated chromium(II) and chromium(III) complexes via heavy halide ligand effects. (2010) (46)
Reversible and irreversible chemisorption in nonporous-crystalline hybrids. (2014) (43)
Lithium cycling in a self-assembled copper chloride-polyether hybrid electrode. (2014) (40)
Dynamically Disordered Lattice in a Layered Pb-I-SCN Perovskite Thin Film Probed by Two-Dimensional Infrared Spectroscopy. (2018) (39)
Carrier Diffusion Lengths Exceeding 1 μm Despite Trap-Limited Transport in Halide Double Perovskites (2020) (36)
vskite single crystals : surface photophysics and their interaction with the environment † (2015) (33)
Doubling the Stakes: The Promise of Halide Double Perovskites. (2021) (30)
Directed assembly of layered perovskite heterostructures as single crystals (2021) (29)
Origins of the Pressure-Induced Phase Transition and Metallization in the Halide Perovskite (CH3NH3)PbI3 (2020) (21)
Charge Carrier Dynamics in Cs 2 AgBiBr 6 Double Perovskite (2018) (21)
Tuning the bandgap of Cs2AgBiBr6 through dilute tin alloying† †Electronic supplementary information (ESI) available: Experimental details, spectra, band structures, and crystallographic data. CCDC 1918859 and 1918860. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.10 (2019) (21)
Small‐Band‐Gap Halide Double Perovskites (2018) (19)
Single Ensemble Nonexponential Photoluminescent Population Decays from a Broadband White-Light-Emitting Perovskite. (2020) (18)
Expanded Analogs of Three-Dimensional Lead-Halide Hybrid Perovskites. (2020) (15)
A pencil-and-paper method for elucidating halide double perovskite band structures† †Electronic supplementary information (ESI) available: Computation methods, supplementary figures, detailed group theoretical analysis, and analysis of π-bonding bands. See DOI: 10.1039/c9sc03219c (2019) (15)
Magnetic properties of Ba2 HoSbO6 with a frustrated lattice geometry (2010) (15)
Electronic Conductivity in a Porous Vanadyl Prussian Blue Analogue upon Air Exposure. (2017) (13)
High Compression-Induced Conductivity in a Layered Cu-Br Perovskite. (2019) (11)
Synthesis and redox-induced structural isomerization of the pentagonal bipyramidal complexes [W(CN)5(CO)2]3- and [W(CN)5(CO)2]2-. (2009) (9)
Carving Out Pores in Redox-Active One-Dimensional Coordination Polymers. (2018) (8)
Test of the Dynamic-Domain and Critical Scattering Hypotheses in Cubic Methylammonium Lead Triiodide (2020) (8)
Alloying a single and a double perovskite: a Cu+/2+ mixed-valence layered halide perovskite with strong optical absorption† (2021) (5)
Community Participation in the Water Supply Sector in Sri Lanka (1989) (5)
Quantum-Classical Reentrant Relaxation Crossover in Dy 2 Ti 2 O 7 Spin Ice (2003) (4)
Revealing Local Disorder in a Silver-Bismuth Halide Perovskite upon Compression. (2020) (4)
Charge Reservoirs in an Expanded Halide Perovskite Analog: Enhancing High-Pressure Conductivity through Redox-Active Molecules. (2022) (4)
Gold-Cage Perovskites: A Three-Dimensional AuIII-X Framework Encasing Isolated MX63- Octahedra (MIII = In, Sb, Bi; X = Cl-, Br-, I-). (2021) (3)
Reactivity of NO2 with Porous and Conductive Copper Azobispyridine Metallopolymers. (2019) (3)
The halogen chemistry of halide perovskites (2022) (3)
Carving Out Pores in Redox‐Active One‐Dimensional Coordination Polymers (2018) (2)
Reliably obtaining white light from layered halide perovskites at room temperature (2022) (1)
Tuning Defects in a Halide Double Perovskite with Pressure. (2022) (1)
Expanded Analogs of Three‐Dimensional Lead‐Halide Hybrid Perovskites (2020) (1)
Cesium-mediated electron redistribution and electron-electron interaction in high-pressure metallic CsPbI3 (2022) (1)
Terahertz Emission: Terahertz Emission from Hybrid Perovskites Driven by Ultrafast Charge Separation and Strong Electron–Phonon Coupling (Adv. Mater. 11/2018) (2018) (1)
High Compression‐Induced Conductivity in a Layered Cu–Br Perovskite (2020) (1)
Probing Lattice Dynamics in Two-Dimensional Inorganic Pseudohalide Perovskites with Ultrafast Infrared Spectroscopy (2022) (1)
The nature of dynamic local order in CH3NH3PbI3 and CH3NH3PbBr3 (2023) (1)
Doubling the Stakes: The Promise of Halide Double Perovskites (1)
2,2′‐Dibromo‐3,3′,4,4′,5,5′,6,6′‐octamethyl‐1,1′‐biphenyl (2004) (0)
Mosaic CuI-CuII-InIII 2D Perovskites: Pressure-Dependence of the Intervalence Charge Transfer and a Mechanochemical Alloying Method. (2023) (0)
Karunadasa Edge Site Mimic for Catalytic Hydrogen Generation 2 A Molecular MoS (2012) (0)
Preserving a robust CsPbI3 perovskite phase via pressure-directed octahedral tilt (2021) (0)
Measuring Phonon Lifetimes and Lattice Dynamics of Single-Crystal Methylammonium Lead Iodide with Neutron Triple-Axis Spectroscopy (2018) (0)
Decreasing the electronic con ﬁ nement in layered perovskites through intercalation † EDGE ARTICLE (2017) (0)
Community participation: how it worked in Haldummulla and Seelatenna (1990) (0)
Quasi-One-Dimensional Metallicity in Compressed CsSnI3. (2022) (0)
lectronic con fi nement in layered perovskites through intercalation † (2017) (0)
White-light emission from layered perovskites (2017) (0)
Elucidation of Structural and Electronic Property Relationships in Hybrid Materials with High Pressure (2022) (0)
Zwitterions in 3D Perovskites: Organosulfide-Halide Perovskites. (2022) (0)
Pressure is a powerful tool for accessing new thermodynamic properties while also a ff ecting excited-state dynamics (2017) (0)
Synthesis and Redox-Induced Structural Isomerization of the Pentagonal Bipyramidal Complexes (2009) (0)
Unique Quantization Effects in Quantum Dots and Quantum Dot Solar Cells for PV and Solar Fuels (2014) (0)
Theoretical insight on quantum and dielectric confinement in metal-halide perovskites (2019) (0)
Mixed metal perovskites (2021) (0)
First-Principles Studies of Band Gap Reductions via Substitutional Defects in Cs2AgBiBr6 (2018) (0)
CCDC 1483087: Experimental Crystal Structure Determination (2017) (0)
Heavy atom building units for magnetic clusters and molecular catalysts for generating hydrogen from water (2009) (0)
Local Disorder in a Silver-Bismuth Halide Perovskite (2022) (0)
Lawrence Berkeley National Laboratory Recent Work Title High-Pressure Single-Crystal Structures of 3 D Lead-Halide Hybrid Perovskites and Pressure Effects on their Electronic and Optical Properties Permalink (2016) (0)
Novel Dynamics in Pure and Diluted Dy_2Ti_2O_7 (2004) (0)
Cubic on the Streets, Tetragonal in the Sheets: The Two-Dimensional Nature of Dynamic Disorder in Hybrid Metal Halide Perovskite Semiconductors (2022) (0)
Stabilization of a black CsPbI 3 Perovskite phase via octahedral tilting control with pressure (2020) (0)
The nature of dynamic local order in CH$_3$NH$_3$PbI$_3$ and CH$_3$NH$_3$PbBr$_3$ (2023) (0)
Lithium Cycling in a Self-Assembled Copper Chloride—Polyether Hybrid Electrode. (2014) (0)

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