Search Results - "McBranch, D."

Quantization of Multiparticle Auger Rates in Semiconductor Quantum Dots by Klimov, V. I., Mikhailovsky, A. A., McBranch, D. W., Leatherdale, C. A., Bawendi, M. G.

“…We have resolved single-exponential relaxation dynamics of the 2-, 3-, and 4-electron-hole pair states in nearly monodisperse cadmium selenide quantum dots…”
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Mechanisms for intraband energy relaxation in semiconductor quantum dots: The role of electron-hole interactions by Klimov, V. I., Mikhailovsky, A. A., McBranch, D. W., Leatherdale, C. A., Bawendi, M. G.

“…To evaluate the role of nonphonon energy relaxation mechanisms in quantum dots and in particular the role of electron-hole (e-h) interactions, we have studied…”
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Tuning of Superquenching in Layered and Mixed Fluorescent Polyelectrolytes by Jones, Robert M, Bergstedt, Troy S, McBranch, Duncan W, Whitten, David G

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Unified picture of the photoexcitations in phenylene-based conjugated polymers: Universal spectral and dynamical features in subpicosecond transient absorption by Kraabel, B., Klimov, V. I., Kohlman, R., Xu, S., Wang, H-L., McBranch, D. W.

“…Using subpicosecond transient absorption spectroscopy, we investigate the primary photoexcitations in thin films and solutions of several phenylene-based…”
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Highly Sensitive Biological and Chemical Sensors Based on Reversible Fluorescence Quenching in a Conjugated Polymer by Chen, Liaohai, McBranch, Duncan W., Wang, Hsing-Lin, Helgeson, Roger, Wudl, Fred, Whitten, David G.

“…The fluorescence of a polyanionic conjugated polymer can be quenched by extremely low concentrations of cationic electron acceptors in aqueous solutions. We…”
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Optical determination of chain orientation in electroluminescent polymer films by McBranch, D., Campbell, I. H., Smith, D. L., Ferraris, J. P.

“…We report polarized optical transmission and reflection measurements which are used to determine the orientation of polymer chains in spin-cast thin films of…”
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Initial carrier relaxation dynamics in ion-implanted Si nanocrystals: Femtosecond transient absorption study by Klimov, V. I., Schwarz, Ch. J., McBranch, D. W., White, C. W.

“…Transient absorption spectra of ion-implanted Si nanocrystals (NCs) exhibit two picosecond photoinduced absorption features, attributed to carriers in NC…”
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Building Highly Sensitive Dye Assemblies for Biosensing from Molecular Building Blocks by Jones, Robert M., Lu, Liangde, Helgeson, Roger, Bergstedt, Troy S., McBranch, Duncan W., Whitten, David G.

“…Fluorescence superquenching is investigated for polyelectrolytes consisting of cyanine dye pendant polylysines ranging in number of polymer repeat units (NPRU)…”
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Understanding the Relationship between Surface Coverage and Molecular Orientation in Polar Self-Assembled Monolayers by Buscher, C. Thomas, McBranch, Duncan, Li, DeQuan

“…We report here a study of surface coverage and molecular orientation in polar self-assembled monolayers (SAMs). The ordering in these SAMs arises from the…”
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Study of the Conformational Structure and Cluster Formation in a Langmuir−Blodgett Film Using Second Harmonic Generation, Second Harmonic Microscopy, and FTIR Spectroscopy by Johal, M. S, Parikh, A. N, Lee, Y, Casson, J. L, Foster, L, Swanson, B. I, McBranch, D. W, Li, D. Q, Robinson, J. M

“…Nonlinear second harmonic generation (SHG), second harmonic microscopy (SHM), and infrared spectroscopy are used to determine the structural and optical…”
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Signatures of excitons and polaron pairs in the femtosecond excited-state absorption spectra of phenylene-based conjugated polymers and oligomers by McBranch, D.W., Kraabel, B., Xu, S., Kohlman, R.S., Klimov, V.I., Bradley, D.D.C., Hsieh, B.R., Rubner, M.

“…We present results of broadband femtosecond transient absorption measurements in thin films of several phenylenebased onjugated materials. We compare results…”
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Ultrafast Spectroscopic Holography in Conjugated Polymers by Kraabel, B., McBranch, D., Hsieh, B., Wudl, F.

“…We present a detailed study of femtosecond transient holography in conjugated polymers and blends, using tunable nondegenerate four-wave mixing. Combined with…”
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Spontaneously Self-Assembled Polar Asymmetric Multilayers Formed by Complementary H-Bonds by Johal, M. S, Cao, Y. W, Chai, X. D, Smilowitz, L. B, Robinson, J. M, Li, T. J, McBranch, D, Li

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Excitations and optical properties of phenylene-based conjugated polymers and oligomers by Brazovskii, S., Kirova, N., Bishop, A.R., Klimov, V., McBranch, D., Barashkov, N.N., Ferraris, J.P.

“…We present a combined experimental and theoretical study of the ground and photoexcited optical properties of a model oligomer of PPV, MEH-DSB. Our theoretical…”
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Excitations and optical properties of phenylene based polymers by Kirova, N., Brazovskii, S., Bishop, A.R., McBranch, D., Klimov, V.

“…A complex picture of phenylene-based polymers is developed which unifies features of band and molecular exciton models. It incorporates major experimental…”
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Fullerene doped glasses as solid state optical limiters by Smilowitz, L., McBranch, D., Klimov, V., Grigorova, M., Robinson, J.M., Weyer, B.J., Koskelo, A., Mattes, B.R., Wang, H., Wudl, F.

“…We discuss the optical limiting behavior of sol-gel glasses doped with fullerene derivatives. Comparisons to fullerene solutions and thin films are made…”
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Tuning the Properties of Conjugated Polyelectrolytes through Surfactant Complexation by Chen, Liaohai, Xu, Su, McBranch, Duncan, Whitten, David

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Historical perspective on: Ultrafast photoinduced electron transfer in conducting polymer—buckminsterfullerene composites [Volume 213, Issues 3–4, 8 October 1993, Pages 389–394] by Kraabel, B., Lee, C. H., McBranch, D., Moses, D., Sariciftci, N. S., Heeger, A. J.

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Intensity-dependent relaxation dynamics and the nature of the excited-state species in solid-state conducting polymers by Maniloff, E. S., Klimov, V. I., McBranch, D. W.

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Fluorescent-Conjugated Polymer Superquenching Facilitates Highly Sensitive Detection of Proteases by Kumaraswamy, Sriram, Bergstedt, Troy, Shi, Xiaobo, Rininsland, Frauke, Kushon, Stuart, Xia, Wensheng, Ley, Kevin, Achyuthan, Komandoor, McBranch, Duncan, Whitten, David, Meyer, Thomas J.

“…Sensor formats have been developed for detecting the activity of proteolytic enzymes based on fluorescent conjugated polymer superquenching. These sensors…”
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