Search Results - "Titova, Lyubov V."

Size vs Surface: Tuning the Photoluminescence of Freestanding Silicon Nanocrystals Across the Visible Spectrum via Surface Groups by Dasog, Mita, De los Reyes, Glenda B, Titova, Lyubov V, Hegmann, Frank A, Veinot, Jonathan G. C

“…The syntheses of colloidal silicon nanocrystals (Si-NCs) with dimensions in the 3–4 nm size regime as well as effective methodologies for their…”
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High Light Absorption and Charge Separation Efficiency at Low Applied Voltage from Sb-Doped SnO2/BiVO4 Core/Shell Nanorod-Array Photoanodes by Zhou, Lite, Zhao, Chenqi, Giri, Binod, Allen, Patrick, Xu, Xiaowei, Joshi, Hrushikesh, Fan, Yangyang, Titova, Lyubov V, Rao, Pratap M

“…BiVO4 has become the top-performing semiconductor among photoanodes for photoelectrochemical water oxidation. However, BiVO4 photoanodes are still limited to a…”
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Generation of Terahertz Radiation by Optical Excitation of Aligned Carbon Nanotubes by Titova, Lyubov V, Pint, Cary L, Zhang, Qi, Hauge, Robert H, Kono, Junichiro, Hegmann, Frank A

“…We have generated coherent pulses of terahertz radiation from macroscopic arrays of aligned single-wall carbon nanotubes (SWCNTs) excited by femtosecond…”
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Photoexcited Free Carrier Dynamics in Bi2Se3, (Bi0.75In0.25)2Se3, and (Bi0.50In0.50)2Se3: From Topological to Band Insulator by Shi, Teng, Kushnir, Kateryna, Wang, Zhengtianye, Law, Stephanie, Titova, Lyubov V

“…Replacing some Bi with In in Bi2Se3 transforms it from a topological insulator to a band insulator. Here, we have used time-resolved terahertz spectroscopy to…”
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Effects of polyethylene oxide particles on the photo-physical properties and stability of FA-rich perovskite solar cells by Koech, Richard K., Olanrewaju, Yusuf A., Ichwani, Reisya, Kigozi, Moses, Oyewole, Deborah O., Oyelade, Omolara V., Sanni, Dahiru M., Adeniji, Sharafadeen A., Colin-Ulloa, Erika, Titova, Lyubov V., Martin, Julia L., Grimm, Ronald L., Bello, Abdulhakeem, Oyewole, Oluwaseun K., Ntsoenzok, Esidor, Soboyejo, Winston O.

“…In this paper, we use Polyethylene Oxide (PEO) particles to control the morphology of Formamidinium (FA)-rich perovskite films and achieve large grains with…”
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Charge transfer state emission dynamics in blue-emitting functionalized silicon nanocrystals by De los Reyes, Glenda B, Dasog, Mita, Na, MengXing, Titova, Lyubov V, Veinot, Jonathan G C, Hegmann, Frank A

“…We explore the dynamics of blue emission from dodecylamine and ammonia functionalized silicon nanocrystals (Si NCs) with average diameters of ∼3 and ∼6 nm…”
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Ultrafast Zero-Bias Photocurrent in GeS Nanosheets: Promise for Photovoltaics by Kushnir, Kateryna, Wang, Mengjing, Fitzgerald, Patrick D, Koski, Kristie J, Titova, Lyubov V

“…Ferroelectric semiconductors have been predicted to exhibit strong zero-bias shift current, spurring the search for ferroelectric semiconductors with band gaps…”
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Intense terahertz pulses inhibit Ras signaling and other cancer-associated signaling pathways in human skin tissue models by Hough, Cameron M, Purschke, David N, Huang, Chenxi, Titova, Lyubov V, Kovalchuk, Olga V, Warkentin, Brad J, Hegmann, Frank A

“…Terahertz (THz) radiation has shown unique advantages in biomedical applications for novel diagnostic technologies due to the high sensitivity to molecular…”
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Dynamical Control over Terahertz Electromagnetic Interference Shielding with 2D Ti3C2Ty MXene by Ultrafast Optical Pulses by Li, Guangjiang, Amer, Naaman, Hafez, Hassan A, Huang, Shuohan, Turchinovich, Dmitry, Mochalin, Vadym N, Hegmann, Frank A, Titova, Lyubov V

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Tuning iron pyrite thin film microstructure by sulfurization of columnar iron precursors by LaForge, Joshua M., Gyenes, Balazs, Xu, Sijia, Haynes, Landon K., Titova, Lyubov V., Hegmann, Frank A., Brett, Michael J.

“…Iron pyrite is a promising material for photovoltaic power production due to low material extraction and processing costs and high optical absorption. Reliable…”
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Ultrafast Spectroscopy of Plasmons and Free Carriers in 2D MXenes by Colin‐Ulloa, Erika, Fitzgerald, Andrew, Montazeri, Kiana, Mann, Javery, Natu, Varun, Ngo, Ken, Uzarski, Joshua, Barsoum, Michel W., Titova, Lyubov V.

“…2D MXenes have diverse and chemically tunable optical properties that arise from an interplay between free carriers, interband transitions, and plasmon…”
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An ultrafast terahertz scanning tunnelling microscope by Cocker, Tyler L., Jelic, Vedran, Gupta, Manisha, Molesky, Sean J., Burgess, Jacob A. J., Reyes, Glenda De Los, Titova, Lyubov V., Tsui, Ying Y., Freeman, Mark R., Hegmann, Frank A.

“…Ultrafast studies 1 , 2 of excitations on the nanometre scale are essential for guiding applications in nanotechnology. Efforts to integrate femtosecond lasers…”
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Electronic Structure of 1D Lepidocrocite TiO2 as Revealed by Optical Absorption and Photoelectron Spectroscopy by Colin-Ulloa, Erika, Martin, Julia L., Hanna, Ryan J., Frasch, Michelle H., Ramthun, Rebecca R., Badr, Hussein O., Uzarski, Joshua R., Barsoum, Michel W., Grimm, Ronald L., Titova, Lyubov V.

“…We recently demonstrated scalable, one-pot syntheses of one-dimensional, titania lepidocrocite microfilaments by reacting Ti-containing water-insoluble,…”
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Intense THz pulses down-regulate genes associated with skin cancer and psoriasis: a new therapeutic avenue? by Titova, Lyubov V., Ayesheshim, Ayesheshim K., Golubov, Andrey, Rodriguez-Juarez, Rocio, Woycicki, Rafal, Hegmann, Frank A., Kovalchuk, Olga

“…Terahertz (THz) radiation lies between the infrared and microwave regions of the electromagnetic spectrum and is non-ionizing. We show that exposure of…”
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Tailoring Ultrafast Near-Band Gap Photoconductive Response in GeS by Zero-Valent Cu Intercalation by Khanmohammadi, Sepideh, Kushnir Friedman, Kateryna, Chen, Ethan, Kastuar, Srihari M., Ekuma, Chinedu E., Koski, Kristie J., Titova, Lyubov V.

“…Zero-valent intercalation of atomic metals into the van der Waals gap of layered materials can be used to tune their electronic, optical, thermal, and…”
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Ultrafast Zero-Bias Surface Photocurrent in Germanium Selenide: Promise for Terahertz Devices and Photovoltaics by Kushnir, Kateryna, Qin, Ying, Shen, Yuxia, Li, Guangjiang, Fregoso, Benjamin M, Tongay, Sefaattin, Titova, Lyubov V

“…Theory predicts that a large spontaneous electric polarization and concomitant inversion symmetry breaking in GeSe monolayers result in a strong shift current…”
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Balancing Light Absorption and Charge Transport in Vertical SnS2 Nanoflake Photoanodes with Stepped Layers and Large Intrinsic Mobility by Giri, Binod, Masroor, Maryam, Yan, Tao, Kushnir, Kateryna, Carl, Alexander D., Doiron, Curtis, Zhang, Haochuan, Zhao, Yanyan, McClelland, Arthur, Tompsett, Geoffrey A., Wang, Dunwei, Grimm, Ronald L., Titova, Lyubov V., Rao, Pratap M.

“…Significant optical absorption in the blue–green spectral range, high intralayer carrier mobility, and band alignment suitable for water splitting suggest tin…”
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Intense THz pulses cause H2AX phosphorylation and activate DNA damage response in human skin tissue by Titova, Lyubov V, Ayesheshim, Ayesheshim K, Golubov, Andrey, Fogen, Dawson, Rodriguez-Juarez, Rocio, Hegmann, Frank A, Kovalchuk, Olga

“…Recent emergence and growing use of terahertz (THz) radiation for medical imaging and public security screening raise questions on reasonable levels of…”
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Bottom-up, scalable synthesis of anatase nanofilament-based two-dimensional titanium carbo-oxide flakes by Badr, Hussein O., El-Melegy, Tarek, Carey, Michael, Natu, Varun, Hassig, Mary Q., Johnson, Craig, Qian, Qian, Li, Christopher Y., Kushnir, Kateryna, Colin-Ulloa, Erika, Titova, Lyubov V., Martin, Julia L., Grimm, Ronald L., Pai, Rahul, Kalra, Vibha, Karmakar, Avishek, Ruffino, Anthony, Masiuk, Stefan, Liang, Kun, Naguib, Michael, Wilson, Olivia, Magenau, Andrew, Montazeri, Kiana, Zhu, Yucheng, Cheng, Hao, Torita, Takeshi, Koyanagi, Masashi, Yanagimachi, Akimaro, Ouisse, Thierry, Barbier, Maxime, Wilhelm, Fabrice, Rogalev, Andrei, Björk, Jonas, Persson, Per O.Å., Rosen, Johanna, Hu, Yong-Jie, Barsoum, Michel W.

“…[Display omitted] Two-dimensional (2D) materials offer advantages that their 3D counterparts do not. The conventional method for the bulk synthesis of 2D…”
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Dynamics of Photoexcited Carriers in Polycrystalline PbS and at PbS/ZnO Heterojunctions: Influence of Grain Boundaries and Interfaces by Kushnir, Kateryna, Chen, Kefan, Zhou, Lite, Giri, Binod, Grimm, Ronald L, Rao, Pratap M, Titova, Lyubov V

“…We investigate the impact of grain boundaries and interfaces on dynamics of photoexcited charge carriers in polycrystalline lead sulfide (PbS) films and at…”
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