Academic literature on the topic 'Nanodiamonds – Optical properties'

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Journal articles on the topic "Nanodiamonds – Optical properties"

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Ekimov, Evgeny, Andrey A. Shiryaev, Yuriy Grigoriev, Alexey Averin, Ekaterina Shagieva, Stepan Stehlik, and Mikhail Kondrin. "Size-Dependent Thermal Stability and Optical Properties of Ultra-Small Nanodiamonds Synthesized under High Pressure." Nanomaterials 12, no. 3 (January 22, 2022): 351. http://dx.doi.org/10.3390/nano12030351.

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Diamond properties down to the quantum-size region are still poorly understood. High-pressure high-temperature (HPHT) synthesis from chloroadamantane molecules allows precise control of nanodiamond size. Thermal stability and optical properties of nanodiamonds with sizes spanning range from <1 to 8 nm are investigated. It is shown that the existing hypothesis about enhanced thermal stability of nanodiamonds smaller than 2 nm is incorrect. The most striking feature in IR absorption of these samples is the appearance of an enhanced transmission band near the diamond Raman mode (1332 cm−1). Following the previously proposed explanation, we attribute this phenomenon to the Fano effect caused by resonance of the diamond Raman mode with continuum of conductive surface states. We assume that these surface states may be formed by reconstruction of broken bonds on the nanodiamond surfaces. This effect is also responsible for the observed asymmetry of Raman scattering peak. The mechanism of nanodiamond formation in HPHT synthesis is proposed, explaining peculiarities of their structure and properties.
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Mikheev, Gennady M., Viatcheslav V. Vanyukov, Tatyana N. Mogileva, Konstantin G. Mikheev, Alexander N. Aleksandrovich, Nicholas A. Nunn, and Olga A. Shenderova. "Femtosecond Optical Nonlinearity of Nanodiamond Suspensions." Applied Sciences 11, no. 12 (June 11, 2021): 5455. http://dx.doi.org/10.3390/app11125455.

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High pressure-high temperature (HP-HT) nanodiamonds and detonation nanodiamonds have unique optical properties and are promising materials for various applications in photonics. In this work, for the first time, comparative studies of the nonlinear optical properties of aqueous suspensions of HP-HT and detonation nanodiamonds under femtosecond laser excitation are performed. Using the z-scan technique, it was found that for the same laser pulse parameters HP-HT nanodiamonds exhibited optical limiting due to two-photon absorption while detonation nanodiamonds exhibited saturable absorption accompanied by short-term optical bleaching, revealing the different electronic-gap structures of the two types of nanodiamonds. The saturable absorption properties of detonation nanodiamonds are characterized by determining the saturable and non-saturable absorption coefficients, the saturation intensity, and the ratio of saturable to non-saturable losses. The nonlinear absorption in HP-HT nanodiamonds is described with the nonlinear absorption coefficient that decreases with decreasing concentration of nanoparticles linearly. The results obtained show the possibility of using aqueous suspensions of nanodiamonds for saturable absorption and optical limiting applications.
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Gonçalves, Juliana P. L., Afnan Q. Shaikh, Manuela Reitzig, Daria A. Kovalenko, Jan Michael, René Beutner, Gianaurelio Cuniberti, Dieter Scharnweber, and Jörg Opitz. "Detonation nanodiamonds biofunctionalization and immobilization to titanium alloy surfaces as first steps towards medical application." Beilstein Journal of Organic Chemistry 10 (November 26, 2014): 2765–73. http://dx.doi.org/10.3762/bjoc.10.293.

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Due to their outstanding properties nanodiamonds are a promising nanoscale material in various applications such as microelectronics, polishing, optical monitoring, medicine and biotechnology. Beyond the typical diamond characteristics like extreme hardness or high thermal conductivity, they have additional benefits as intrinsic fluorescence due to lattice defects without photobleaching, obtained during the high pressure high temperature process. Further the carbon surface and its various functional groups in consequence of the synthesis, facilitate additional chemical and biological modification. In this work we present our recent results on chemical modification of the nanodiamond surface with phosphate groups and their electrochemically assisted immobilization on titanium-based materials to increase adhesion at biomaterial surfaces. The starting material is detonation nanodiamond, which exhibits a heterogeneous surface due to the functional groups resulting from the nitrogen-rich explosives and the subsequent purification steps after detonation synthesis. Nanodiamond surfaces are chemically homogenized before proceeding with further functionalization. Suspensions of resulting surface-modified nanodiamonds are applied to the titanium alloy surfaces and the nanodiamonds subsequently fixed by electrochemical immobilization. Titanium and its alloys have been widely used in bone and dental implants for being a metal that is biocompatible with body tissues and able to bind with adjacent bone during healing. In order to improve titanium material properties towards biomedical applications the authors aim to increase adhesion to bone material by incorporating nanodiamonds into the implant surface, namely the anodically grown titanium dioxide layer. Differently functionalized nanodiamonds are characterized by infrared spectroscopy and the modified titanium alloys surfaces by scanning and transmission electron microscopy. The process described shows an adsorption and immobilization of modified nanodiamonds on titanium; where aminosilanized nanodiamonds coupled with O-phosphorylethanolamine show a homogeneous interaction with the titanium substrate.
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Jung, Hak-Sung, and Keir C. Neuman. "Surface Modification of Fluorescent Nanodiamonds for Biological Applications." Nanomaterials 11, no. 1 (January 9, 2021): 153. http://dx.doi.org/10.3390/nano11010153.

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Fluorescent nanodiamonds (FNDs) are a new class of carbon nanomaterials that offer great promise for biological applications such as cell labeling, imaging, and sensing due to their exceptional optical properties and biocompatibility. Implementation of these applications requires reliable and precise surface functionalization. Although diamonds are generally considered inert, they typically possess diverse surface groups that permit a range of different functionalization strategies. This review provides an overview of nanodiamond surface functionalization methods including homogeneous surface termination approaches (hydrogenation, halogenation, amination, oxidation, and reduction), in addition to covalent and non-covalent surface modification with different functional moieties. Furthermore, the subsequent coupling of biomolecules onto functionalized nanodiamonds is reviewed. Finally, biomedical applications of nanodiamonds are discussed in the context of functionalization.
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Jung, Hak-Sung, and Keir C. Neuman. "Surface Modification of Fluorescent Nanodiamonds for Biological Applications." Nanomaterials 11, no. 1 (January 9, 2021): 153. http://dx.doi.org/10.3390/nano11010153.

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Fluorescent nanodiamonds (FNDs) are a new class of carbon nanomaterials that offer great promise for biological applications such as cell labeling, imaging, and sensing due to their exceptional optical properties and biocompatibility. Implementation of these applications requires reliable and precise surface functionalization. Although diamonds are generally considered inert, they typically possess diverse surface groups that permit a range of different functionalization strategies. This review provides an overview of nanodiamond surface functionalization methods including homogeneous surface termination approaches (hydrogenation, halogenation, amination, oxidation, and reduction), in addition to covalent and non-covalent surface modification with different functional moieties. Furthermore, the subsequent coupling of biomolecules onto functionalized nanodiamonds is reviewed. Finally, biomedical applications of nanodiamonds are discussed in the context of functionalization.
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Perevedentseva, Elena, Nsrein Ali, Artashes Karmenyan, Ilya Skovorodkin, Renata Prunskaite-Hyyryläinen, Seppo Vainio, Chia-Liang Cheng, and Matti Kinnunen. "Optical Studies of Nanodiamond-Tissue Interaction: Skin Penetration and Localization." Materials 12, no. 22 (November 15, 2019): 3762. http://dx.doi.org/10.3390/ma12223762.

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In this work, several optical-spectroscopic methods have been used to visualize and investigate the penetration of diamond nanoparticles (NPs) of various sizes (3–150 nm), surface structures and fluorescence properties into the animal skin in vitro. Murine skin samples have been treated with nanodiamond (ND) water suspensions and studied using optical coherence tomography (OCT), confocal and two-photon fluorescence microscopy and fluorescence lifetime imaging (FLIM). An analysis of the optical properties of the used nanodiamonds (NDs) enables the selection of optimal optical methods or their combination for the study of nanodiamond–skin interaction. Among studied NDs, particles of 100 nm in nominal size were shown to be appropriate for multimodal imaging using all three methods. All the applied NDs were able to cross the skin barrier and penetrate the different layers of the epidermis to finally arrive in the hair follicle niches. The results suggest that NDs have the potential for multifunctional applications utilizing multimodal imaging.
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Raty, J. Y., and G. Galli. "Optical properties and structure of nanodiamonds." Journal of Electroanalytical Chemistry 584, no. 1 (October 2005): 9–12. http://dx.doi.org/10.1016/j.jelechem.2004.10.032.

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Rivière, François, Timothée de Guillebon, Léo Maumet, Gabriel Hétet, Martin Schmidt, Jean-Sébastien Lauret, and Loïc Rondin. "Thermometry of an optically levitated nanodiamond." AVS Quantum Science 4, no. 3 (September 2022): 030801. http://dx.doi.org/10.1116/5.0093600.

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Using the spin properties of nitrogen-vacancy (NV) centers in levitated diamonds, we characterize the absorption of single nanodiamonds. We first calibrate the thermometry response of the NV centers embedded in our nanodiamonds. Then, using this calibration, we estimate the absorption cross-section of single levitated nanodiamonds. We show that this absorption is extrinsic and dominated by volumic effects. Our work opens the way to diamond material optimization for levitation quantum experiments. It also demonstrates optical levitation as a unique platform to characterize material thermal properties at the nanoparticle level.
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Venidiktova, O. V., T. M. Valova, V. A. Barachevsky, A. O. Ait, P. V. Lebedev-Stepanov, A. Ya Vul, L. S. Koltsova, A. I. Shienok, and N. L. Zaichenko. "Photochromic properties of modified nanodiamonds." Optics and Spectroscopy 122, no. 5 (May 2017): 729–34. http://dx.doi.org/10.1134/s0030400x17050204.

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Papagiannouli, Irene, Athanasios B. Bourlinos, Aristides Bakandritsos, and Stelios Couris. "Nonlinear optical properties of colloidal carbon nanoparticles: nanodiamonds and carbon dots." RSC Adv. 4, no. 76 (2014): 40152–60. http://dx.doi.org/10.1039/c4ra04714a.

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Nanodiamonds (NDs) and carbon-dots (CDs) suspensions exhibit significant NLO response under both ps and ns laser excitation. NDs exhibit important optical limiting action under nanosecond visible (532 nm) and infrared (1064 nm) laser excitation.
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Book chapters on the topic "Nanodiamonds – Optical properties"

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Thekkedath, Aiswarya, and Karthiyayini Sridharan. "Nanodiamonds and Its Applications." In Applications and Use of Diamond [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.108326.

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One of the most futuristic and unique carbon materials which is formed from detonation method is nanodiamond. Nanodiamonds below 100 nm size popularly known as attracting crystal or ultrafine dispersed diamonds (UDD) have exceptional optical, mechanical, and biological properties. The structure of nanodiamonds resembles diamond structure. Due to the peerless properties, Nanodiamonds make itself potential to several applications. Nanodiamonds became demand in medical field. Currently, Nanodiamonds acquired substantial recognition in all areas particularly nanomedicine. This chapter opens a detailed review about the evolution of Nanodiamonds, their properties, applications and future perspectives in research. Researchers are still doing their studies on nanodiamonds to make an effective tool in various sectors.
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"Optical and Rheological Properties of Nanodiamond Suspensions." In Detonation Nanodiamonds, 115–34. Jenny Stanford Publishing, 2014. http://dx.doi.org/10.1201/b15541-6.

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Zvyagin, Andrei V., and Neil B. Manson. "Optical and Spin Properties of Nitrogen-Vacancy Color Centers in Diamond Crystals, Nanodiamonds, and Proximity to Surfaces." In Ultananocrystalline Diamond, 327–54. Elsevier, 2012. http://dx.doi.org/10.1016/b978-1-4377-3465-2.00010-4.

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Conference papers on the topic "Nanodiamonds – Optical properties"

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Sun, Qiang, Philip R. Hemmer, and Andrew D. Greentree. "Nanodiamond@Glass Core-Shell Nanoparticles for Sensing." In Optical Sensors. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/sensors.2022.sm4c.3.

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Zeleneev, Anton I., Stepan V. Bolshedvorskii, Leonid A. Zhulikov, Vladimir V. Sochenko, Olga R. Rubinas, Vadim N. Sorokin, Andrey N. Smolyaninov, and Alexey V. Akimov. "On studying the optical properties of NV/SiV color centers in ultrasmall nanodiamonds." In FIFTH INTERNATIONAL CONFERENCE ON QUANTUM TECHNOLOGIES (ICQT-2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0012326.

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Bolshedvorskii, S. V., V. V. Vorobyov, V. V. Soshenko, A. Zeleneev, V. N. Sorokin, A. N. Smolyaninov, and A. V. Akimov. "On investigation of optical and spin properties of NV centers in aggregates of detonation nanodiamonds." In FOURTH INTERNATIONAL CONFERENCE ON QUANTUM TECHNOLOGIES (ICQT-2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5025439.

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Feoktistov, N. A., V. G. Golubev, S. A. Grudinkin, T. S. Perova, R. A. Moore, and A. Y. Vul'. "Optical properties of diamond films grown by MPCVD method with alternating nanodiamond injection." In OPTO-Ireland, edited by Werner J. Blau, David Kennedy, and John Colreavy. SPIE, 2005. http://dx.doi.org/10.1117/12.606761.

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Tomita, Yasuo, Akihisa Kageyama, Yuko Iso, Koichi Umemoto, Jurgen Klepp, Christian Pruner, and Martin Fally. "Light and Slow-Neutron Diffraction Properties of Holographic Nanodiamond Composite Gratings." In 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, 2019. http://dx.doi.org/10.1109/cleoe-eqec.2019.8871791.

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Fally, Martin, Jürgen Klepp, Christian Pruner, Tobias Jenke, Peter Geltenbort, Akihisa Kageyama, Yuko Iso, Koichi Umemoto, Ming Liu, and Yasuo Tomita. "Nanodiamond-polymer composite gratings as diffractive optical elements for light and neutrons: II. Neutron optical diffraction properties." In Photosensitive Materials and their Applications, edited by Robert R. McLeod, Yasuo Tomita, John T. Sheridan, and Inmaculada Pascual Villalobos. SPIE, 2020. http://dx.doi.org/10.1117/12.2555474.

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Tomita, Yasuo, Akihisa Kageyama, Yuko Iso, Koichi Umemoto, Ming Liu, Jürgen Klepp, Christian Pruner, Tobias Jenke, Peter Geltenbort, and Martin Fally. "Nanodiamond-polymer composite gratings as diffractive optical elements for light and neutrons: I. Their fabrication and light optical diffraction properties." In Photosensitive Materials and their Applications, edited by Robert R. McLeod, Yasuo Tomita, John T. Sheridan, and Inmaculada Pascual Villalobos. SPIE, 2020. http://dx.doi.org/10.1117/12.2555651.

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Verding, Pieter. "The Influence of Nanodiamond Seeding Techniques on the Morphological, Mechanical and Optical Properties of Diamond Coatings on Glass." In 65th Society of Vacuum Coaters Annual Technical Conference. Society of Vacuum Coaters, 2022. http://dx.doi.org/10.14332/svc22.proc.0019.

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