Search Results - "Lonergan, Mark C"
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Coherent two-dimensional photocurrent spectroscopy in a PbS quantum dot photocell
Published in Nature communications (18-12-2014)“…Recently there has been growing interest in the role of coherence in electronic dynamics. Coherent multidimensional spectroscopy has been used to reveal…”
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2
Electron-Accepting 6,12-Diethynylindeno[1,2-b]fluorenes: Synthesis, Crystal Structures, and Photophysical Properties
Published in Angewandte Chemie International Edition (18-11-2011)“…Acceptance is good! 2,8‐Disubstituted indeno[1,2‐b]fluorenes (see structure; TIPS=triisopropylsilyl) were synthesized and characterized. Electrochemical,…”
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3
Band Tailing and Deep Defect States in CH3NH3Pb(I1–x Br x )3 Perovskites As Revealed by Sub-Bandgap Photocurrent
Published in ACS energy letters (10-03-2017)“…Organometal halide perovskite semiconductors have emerged as promising candidates for optoelectronic applications because of the outstanding charge carrier…”
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4
Synthesis, Properties, and Design Principles of Donor–Acceptor Nanohoops
Published in ACS central science (23-09-2015)“…We have synthesized a series of aza[8]cycloparaphenylenes containing one, two, and three nitrogens to probe the impact of nitrogen doping on optoelectronic…”
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5
The effect of copper on the sub-bandgap density of states of CdTe solar cells
Published in Applied physics letters (18-05-2015)“…Two optical sub-bandgap transitions in CdTe thin-film solar cells have been identified using detailed transient photocapacitance and transient photocurrent…”
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6
Tunable electronic interfaces between bulk semiconductors and ligand-stabilized nanoparticle assemblies
Published in Nature materials (01-08-2007)“…Interfaces between nanoscale and bulk electroactive materials are important for the design of electronic devices using solution-processed nanoparticles. We…”
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7
Synthesis, Crystal Structures, and Photophysical Properties of Electron-Accepting Diethynylindenofluorenediones
Published in Organic letters (15-04-2011)“…A series of 6,12-bis[(trialkylsilyl)ethynyl]indeno[1,2-b]fluorene-5,11-diones has been synthesized. X-ray crystallographic analysis of these compounds reveals…”
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Oligothiophene Functionalized Dimethyldihydropyrenes II: Electrochemical and Conductive Properties
Published in Journal of organic chemistry (04-09-2009)“…Three different types of oligothiophene functionalized dihydropyrene photoswitches, (A) 2-naphthoyldimethyldihydropyrenes functionalized at the 4,9-positions…”
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9
Polyelectrolyte-Mediated Electrochemical Fabrication of a Polyacetylene p−n Junction
Published in Chemistry of materials (12-01-2010)“…The diffusion of dopant counterions has made the formation of conjugated polymer p−n junctions challenging. We demonstrate polyelectrolyte mediated…”
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10
Array-Based Vapor Sensing Using Chemically Sensitive, Carbon Black−Polymer Resistors
Published in Chemistry of materials (1996)“…We describe herein the construction of a simple, low-power, broadly responsive vapor sensor. Carbon black−organic polymer composites have been shown to swell…”
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6,12-Diarylindeno[1,2-b]fluorenes: Syntheses, Photophysics, and Ambipolar OFETs
Published in Journal of the American Chemical Society (27-06-2012)“…Herein we report the synthesis and characterization of a series of 6,12-diarylindeno[1,2-b]fluorenes (IFs). Functionalization with electron donor and acceptor…”
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12
Defect states in perovskite solar cells associated with hysteresis and performance
Published in Applied physics letters (10-10-2016)“…External quantum efficiency and transient photocapacitance (TPC) spectra were obtained for perovskite solar cells with methylammonium lead triiodide perovskite…”
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13
Controlled activation of ZnTe:Cu contacted CdTe solar cells using rapid thermal processing
Published in Solar energy materials and solar cells (01-02-2015)“…Back contacts can significantly limit CdTe solar cell performance, reducing both open circuit voltage (Voc) and fill factor (FF). Copper is an essential…”
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14
Quantitative Study of the Resolving Power of Arrays of Carbon Black−Polymer Composites in Various Vapor-Sensing Tasks
Published in Analytical chemistry (Washington) (01-10-1998)“…A statistical metric, based on the magnitude and standard deviations along linear projections of clustered array response data, was utilized to facilitate an…”
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15
Varying Anionic Functional Group Density in Sulfonate-Functionalized Polyfluorenes by a One-Phase Suzuki Polycondensation
Published in Macromolecules (11-06-2013)“…A series of anionically functionalized polyfluorene-based conjugated polyelectrolytes were synthesized by the Suzuki polycondensation of the boronic ester…”
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16
Solution-Processed Li2O–Al2O3/TiO2 Nanolaminate Stacks Containing Mobile Lithium Ions and with Increased Breakdown Voltages
Published in ACS applied materials & interfaces (08-01-2020)“…An aqueous solution approach has been utilized to prepare nanolaminates of TiO2 and ionically conductive Li2O–Al2O3 (LiAlO). This new approach utilizes low…”
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17
Ionic Ligand Mediated Electrochemical Charging of Gold Nanoparticle Assemblies
Published in Nano letters (01-10-2008)“…We demonstrate that ionic surface functionalization is well-suited for controlling the electrochemical charging of nanoparticle assemblies. Gold nanoparticles…”
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18
Semiconducting Bipolar Membranes: Photochemical Salt Pumps
Published in ACS applied energy materials (26-05-2020)“…Controlling ion flow with light is important to developing ion-based systems that store and convert light energy for useful purposes such as desalination or…”
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Solution-Processed Li 2 O-Al 2 O 3 /TiO 2 Nanolaminate Stacks Containing Mobile Lithium Ions and with Increased Breakdown Voltages
Published in ACS applied materials & interfaces (08-01-2020)“…An aqueous solution approach has been utilized to prepare nanolaminates of TiO and ionically conductive Li O-Al O (LiAlO). This new approach utilizes low…”
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20
Extracting electrode space charge limited current: Charge injection into conjugated polyelectrolytes with a semiconductor electrode
Published in Applied physics letters (23-05-2016)“…Conjugated polyelectrolytes and related mixed ionic-electronic conductors (MIECs) are being explored for energy applications including solid-state lighting and…”
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