Search Results - "Rand, P"
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Continuous-wave lasing in an organic–inorganic lead halide perovskite semiconductor
Published in Nature photonics (01-12-2017)“…Hybrid organic–inorganic perovskites have emerged as promising gain media for tunable, solution-processed semiconductor lasers. However, continuous-wave…”
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2
Improved Outcoupling Efficiency and Stability of Perovskite Light‐Emitting Diodes using Thin Emitting Layers
Published in Advanced materials (Weinheim) (01-01-2019)“…Hybrid organic–inorganic perovskite semiconductors have shown potential to develop into a new generation of light‐emitting diode (LED) technology. Herein, an…”
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3
Thermal Management Enables Bright and Stable Perovskite Light‐Emitting Diodes
Published in Advanced materials (Weinheim) (01-06-2020)“…The performance of lead‐halide perovskite light‐emitting diodes (LEDs) has increased rapidly in recent years. However, most reports feature devices operated at…”
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4
Valence and Conduction Band Densities of States of Metal Halide Perovskites: A Combined Experimental–Theoretical Study
Published in The journal of physical chemistry letters (21-07-2016)“…We report valence and conduction band densities of states measured via ultraviolet and inverse photoemission spectroscopies on three metal halide perovskites,…”
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5
Hybrid perovskite light emitting diodes under intense electrical excitation
Published in Nature communications (20-11-2018)“…Hybrid perovskite semiconductors represent a promising platform for color-tunable light emitting diodes (LEDs) and lasers; however, the behavior of these…”
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6
Solution-Processed MoO3 Thin Films As a Hole-Injection Layer for Organic Solar Cells
Published in ACS applied materials & interfaces (01-09-2011)“…We report on a sol–gel-based technique to fabricate MoO3 thin films as a hole-injection layer for solution-processed or thermally evaporated organic solar…”
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7
Mixed Lead–Tin Halide Perovskites for Efficient and Wavelength‐Tunable Near‐Infrared Light‐Emitting Diodes
Published in Advanced materials (Weinheim) (01-01-2019)“…Near‐infrared (NIR) light‐emitting diodes (LEDs), with emission wavelengths between 800 and 950 nm, are useful for various applications, e.g., night‐vision…”
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8
Strategies for Increasing the Efficiency of Heterojunction Organic Solar Cells: Material Selection and Device Architecture
Published in Accounts of chemical research (17-11-2009)“…Thin-film blends or bilayers of donor- and acceptor-type organic semiconductors form the core of heterojunction organic photovoltaic cells. Researchers measure…”
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9
Linking Chemistry at the TiO2/CH3NH3PbI3 Interface to Current–Voltage Hysteresis
Published in The journal of physical chemistry letters (18-05-2017)“…We demonstrate that reversible chemical reactions occur at TiO2/gas and CH3NH3PbI3/gas interfaces on a time scale of seconds to minutes. The chemisorption…”
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10
The Impact of Local Morphology on Organic Donor/Acceptor Charge Transfer States
Published in Advanced energy materials (05-10-2018)“…A major breakthrough in the field of organic photovoltaics (OPVs) was the development of the donor/acceptor heterojunction that aids in separating…”
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11
A Transparent, Smooth, Thermally Robust, Conductive Polyimide for Flexible Electronics
Published in Advanced functional materials (22-12-2015)“…In this work, a thermally and mechanically robust, smooth transparent conductor composed of silver nanowires embedded in a colorless polyimide substrate is…”
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12
In Situ Preparation of Metal Halide Perovskite Nanocrystal Thin Films for Improved Light-Emitting Devices
Published in ACS nano (25-04-2017)“…Hybrid organic–inorganic halide perovskite semiconductors are attractive candidates for optoelectronic applications, such as photovoltaics, light-emitting…”
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13
Electrical Stress Influences the Efficiency of CH3NH3PbI3 Perovskite Light Emitting Devices
Published in Advanced materials (Weinheim) (27-06-2017)“…Organic–inorganic hybrid perovskite materials are emerging as semiconductors with potential application in optoelectronic devices. In particular, perovskites…”
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14
Solar cells utilizing small molecular weight organic semiconductors
Published in Progress in photovoltaics (01-12-2007)“…In this review, we focus on the field of organic photovoltaic cells based on small molecular weight materials. In particular, we discuss the physical processes…”
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15
An updated profile of the bovine acute phase response following an intravenous lipopolysaccharide challenge
Published in Journal of animal science (03-01-2023)“…Abstract The objective was to provide an updated profile of the bovine acute-phase response to include recent advancements in technologies and expanded…”
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16
Effect of Fluorination on the Properties of a Donor–Acceptor Copolymer for Use in Photovoltaic Cells and Transistors
Published in Chemistry of materials (12-02-2013)“…Two novel indacenodithiophene (IDT) based donor–acceptor conjugated polymers for use in organic field effect transistors and photovoltaic devices are…”
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17
Ultraviolet Photoemission Spectroscopy and Kelvin Probe Measurements on Metal Halide Perovskites: Advantages and Pitfalls
Published in Advanced energy materials (01-07-2020)“…In this essay, a case study is presented on the electronic structure of several metal halide perovskites (MHP) using Kelvin probe (KP)‐based surface…”
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18
Hall Effect in Polycrystalline Organic Semiconductors: The Effect of Grain Boundaries
Published in Advanced functional materials (01-05-2020)“…Highly crystalline thin films in organic semiconductors are important for applications in high‐performance organic optoelectronics. Here, the effect of grain…”
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19
Exploring spray coating as a deposition technique for the fabrication of solution-processed solar cells
Published in Solar energy materials and solar cells (01-04-2009)“…We investigate the characteristics of airbrush spray coated polymer solar cells based on a mixture of poly(3-hexyl thiophene) and (6,6)-phenyl C 61 -butyric…”
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20
Triplet Energy Transfer Governs the Dissociation of the Correlated Triplet Pair in Exothermic Singlet Fission
Published in The journal of physical chemistry letters (19-07-2018)“…Singlet fission is a spin-allowed process of exciton multiplication that has the potential to enhance the efficiency of photovoltaic devices. The majority of…”
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