Academic literature on the topic 'Raman/PL'
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Journal articles on the topic "Raman/PL"
Pavić, Ivan, Joško Šoda, Vlatko Gašparić, and Mile Ivanda. "Raman and Photoluminescence Spectroscopy with a Variable Spectral Resolution." Sensors 21, no. 23 (November 28, 2021): 7951. http://dx.doi.org/10.3390/s21237951.
Full textSuga, Keishi, Ying-Chen Lai, Miftah Faried, and Hiroshi Umakoshi. "Direct Observation of Amyloid β Behavior at Phospholipid Membrane Constructed on Gold Nanoparticles." International Journal of Analytical Chemistry 2018 (December 2, 2018): 1–7. http://dx.doi.org/10.1155/2018/2571808.
Full textCHUAH, L. S., Z. HASSAN, F. K. YAM, and H. ABU HASSAN. "STRUCTURAL AND OPTICAL FEATURES OF POROUS SILICON PREPARED BY ELECTROCHEMICAL ANODIC ETCHING." Surface Review and Letters 16, no. 01 (February 2009): 93–97. http://dx.doi.org/10.1142/s0218625x09012342.
Full textZHANG, WEI-FENG, QIAN XING, and YA-BIN HUANG. "MICROSTRUCTURES AND OPTICAL PROPERTIES OF STRONTIUM TITANATE NANOCRYSTALS PREPARED BY A STEARIC-ACID GEL PROCESS." Modern Physics Letters B 14, no. 19 (August 20, 2000): 709–16. http://dx.doi.org/10.1142/s0217984900000896.
Full textAMIRHOSEINY, M., Z. HASSAN, and S. S. NG. "EFFECT OF CURRENT DENSITY ON OPTICAL PROPERTIES OF ANISOTROPIC PHOTOELECTROCHEMICAL ETCHED SILICON (110)." Modern Physics Letters B 26, no. 20 (July 5, 2012): 1250131. http://dx.doi.org/10.1142/s021798491250131x.
Full textZhang, Xiangzhe, Renyan Zhang, Xiaoming Zheng, Yi Zhang, Xueao Zhang, Chuyun Deng, Shiqiao Qin, and Hang Yang. "Interlayer Difference of Bilayer-Stacked MoS2 Structure: Probing by Photoluminescence and Raman Spectroscopy." Nanomaterials 9, no. 5 (May 24, 2019): 796. http://dx.doi.org/10.3390/nano9050796.
Full textBleisteiner, Bernd. "Raman- und PL-Spektroskopie an Kohlenstoffnanoröhren." Nachrichten aus der Chemie 55, no. 4 (April 2007): 430–32. http://dx.doi.org/10.1002/nadc.200747533.
Full textGu, Kai, Ming Sun, and Yang Zhang. "Tip-Enhanced Raman Spectroscopy Based on Spiral Plasmonic Lens Excitation." Sensors 22, no. 15 (July 28, 2022): 5636. http://dx.doi.org/10.3390/s22155636.
Full textHan, Tao, Hongxia Liu, Shulong Wang, Shupeng Chen, Kun Yang, and Zhandong Li. "Synthesis and Spectral Characteristics Investigation of the 2D-2D vdWs Heterostructure Materials." International Journal of Molecular Sciences 22, no. 3 (January 27, 2021): 1246. http://dx.doi.org/10.3390/ijms22031246.
Full textLi, Chun Ping, Jian Zhang, Hua Min Yu, and Li Zhong Zhang. "Raman and Photoluminescence Properties of ZnO Nanorods with Wurtzite Structure." Key Engineering Materials 538 (January 2013): 50–53. http://dx.doi.org/10.4028/www.scientific.net/kem.538.50.
Full textDissertations / Theses on the topic "Raman/PL"
Dan'ко, V. A., T. E. Grinenko, V. A. Yukhimchuk, P. E. Shepeliavyi, K. V. Michailovska, and I. Z. Indutnyi. "Raman and PL investigation of light-emitting NC-Si-SiOx nanostructures." Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/20635.
Full textMahmoudi, Aymen. "Propriétés électroniques des dichalcogénures bi-dimensionnels de métaux de transition." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP106.
Full textThe subject of this thesis is two-dimensional (2D) materials of atomic thickness. The study of the optical and electronic properties of hybrid heterostructures based on MX₂ transition metal dichalcogenides (TMDs) (M = Mo, W; X = S, Se, Te) is now being carefully considered with a view to future applications and more fundamental studies. Beyond their intrinsic physical properties, in multilayer configurations, these materials offer promising physical phenomena such as modulation of bandgap values, ferroelectricity for specific crystal configurations, and so on. In particular, this work focuses on hybrid heterostructures based on tungsten diselenide (WSe₂) on graphene and gallium phosphate (GaP) substrates. Using microscopy and spectroscopy techniques such as Raman spectroscopy and angle-resolved photoemission spectroscopy (ARPES), we investigated the electronic, optical, and structural properties of heterostructures composed of several 2D materials to better understand these emerging systems. Accordingly, the first direct measurements of the electronic band structure of the rhombohedral phase of the WSe₂ bilayer structure deposited on a 2D graphene substrate are presented in this manuscript. The direct growth of this 2D material on a 3D GaP substrate has been studied for several thicknesses. This work has enabled us to identify the effect of the nature of the crystalline phase and the growth method on the electronic band structures, providing a better understanding of these emerging systems
Ndong, Gerald. "Applications de la spectroscopie Raman et photoluminescence polarimétriques à la caractérisation des contraintes dans les structures semi-conductrices à base de silicium, germanium et d'arséniure de gallium." Phd thesis, Ecole Polytechnique X, 2013. http://pastel.archives-ouvertes.fr/pastel-00985208.
Full textCherkouk, Charaf. "Östrogennachweis in wässrigen Lösungen mit Hilfe Silzium-basierter Lichtemitter." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-62465.
Full textA sensor concept for estrogen detection in waterish solutions by Silicon based light emitters (MOSLED) was developed. This concept is based on direct fluorescence analysis and consists of a certain arrangement of the bio- components and their fabrication methods as well as the measurements protocol, which consists of for main steps: Passing the prepared MOSLED surface by the water sample, a washing step, passing the MOSLED surface by the reference solution, and the final optical measurement. The arrangement consists of three parts: the functionalisation of the MOSLEDs surface, the immobilization of the hERff receptor und finally the fabrication of the reference solution. The focus of this work is set on the achievement of these three parts. The functionalisation of the SiO2-surface of the MOSLED was realized by means of the new developed SSC (Spraying Spin Coating) method. The chemical precursor of this method are the organofunctional silane groups with three different functional groups, namely the amino-, carboxyl-, and thiolgroups. The optimization of the procedure was investigated with two types of silane groups APMS ((3-Aminopropyl)trimethoxysilane und Triamino-APMS (N-[3-(Trimethoxysilyl)propyl]ethylenediamine), which have the same molecular structure but a different number of functional groups per molecule. These results have been compared with those of the literature. The optimization of the SSC-method was analyzed by means of standard surface science techniques like FTIR-, Raman-, and XPS-spectroscopy. The surface roughness was applied by using AFM-spectroscopy, which showed a smooth surface by the samples treated with the SSC-method. Whereas the hydrophobicity of the functionalized SiO2 surface increases, the surface energy decreases, which favours the binding of a hERff receptor with large binding energy. In order to immobilize the hERff receptor at the surface, the receptor was bound to the molecular shell of the QDots655-dye and finally adsorbed to the silanized SiO2 surfaces. The fraction of the immobilized hERff receptors was controlled via PL-measurements. Another labelling strategy to immobilize the receptor at the SiO2 surface can be realized by using the amino acid as derivate to modify the receptor. For this aim the adsorption of the lysine at silanized SiO2 surfaces was investigated as function of the pH-value. The adsorbent part of the lysine was calculated via XPS by measuring the binding energy of both energy levels C1s and N1s . The reference solution with QDots800-dye marked estrogen molecules was used. The optimal binding was achieved by attaching the molecular shell of the QDots 800-dye to position 17 of the β-Estradiol molecule, which contains of a N-Hydroxysuccinimid derivate so that the phenol ring of the β-Estradiol remains free. In particular the FTIR-spectra showed the non-binding OH-groups of the β-Estradiol molecule. The whole concept of the sensor was tested at two water samples containing estrogen in a concentration of 1mM and 1μM. The adjustment of the Biokomponents was proven by PL, and the estrogen detection was demonstrated by using the Ge- and Tb-based light emitters
Bandyopadhyay, Avra Sankar. "Light Matter Interactions in Two-Dimensional Semiconducting Tungsten Diselenide for Next Generation Quantum-Based Optoelectronic Devices." Thesis, University of North Texas, 2020. https://digital.library.unt.edu/ark:/67531/metadc1752376/.
Full textWu, Gwo Tswin, and 吳國存. "Raman Spectroscopic and PL study of Wurtzite Structure Semiconductor." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/88118733130146751769.
Full text國立臺灣師範大學
物理學系
93
We get two InN samples from Cornell university and measure their optics characteristic.On the other hand, we study the GaN nanowires and ZnO nanorods, which be able to learn crack these energy bandgap in 3.2eV to 3.4eV from information at document, lie in ultraviolet ray range, one that is with InN be able to crack, 0.7eV- 0.8eV, lying in the infrared light district to happen it is two extremes, therefor we compared its optics nature characteristic. In this thesis, we are prior to examine the photoluminescence of the three kinds of semiconductors to be able to know the energy bandgap, than use different wavelength laser for excitation source to measure the room temperature Ramon scattering spectrum, the laser light sources used are 325nm (He-Cd laser ), 442nm (He-Cd laser ), 488nm, 514nm (Ar-ion laser ), 633nm (He-Ne laser ) and 785nm (solid-state laser ), respectively, to investigate the A1(LO) phonon mode of Raman spectra. We observed that the A1(LO) phonon mode was shifted to their energy bandgap. Wu consider this effect cause with defect and impurity.
Lo, Shih-Chiech, and 羅士傑. "Strain analysis of InN nano-dots by Raman and X-ray and ���{PL measurements." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/67800179908537670060.
Full text國立交通大學
電子物理系所
94
In this thesis, we studied the strain and the optical properties of InN nano-dots with different dot height, which were grown at different temperature, by ��-Raman, ��-PL and X-ray diffraction measurements. The diffraction angle (2��) and the Raman E2 mode were observed to shift obviously with dot height. We found that the smaller InN dots experience the larger compressive stress in the a-b plane. The c-axis lattice constant can be calculated by X-ray diffraction angle (2��), so that the strain along c-axis was calculated and compared with recent reports. From the measured Raman E2 and the calculated strain, we attempted to determine the strain-free frequencies of E2 by interpolation. The calculated strain results of both InN epilayer and dots are reasonable. In addition to the intrinsic strain, the residual thermal strain cannot be neglected. The main cause for the residual thermal strain is the difference in the thermal expansion coefficient between film and substrate. Hence, we will analyze the effects due to intrinsic strain and thermal strain in our samples. For the blue shift of ���{PL results, we checked the quantum confinement and strain effects and found that both effects are important in our samples. Finally, we studied the GaN capping effect on InN dots. When the surface dots are covered by a cap layer, the compressive strain will be induced. Hence, the Raman shift increases that is consistent with X-ray diffraction results.
Zenneck, Jan. "Optische Eigenschaften von verdünnten magnetischen Halbleitern auf GaN-Basis." Doctoral thesis, 2007. http://hdl.handle.net/11858/00-1735-0000-0006-B46D-3.
Full textBook chapters on the topic "Raman/PL"
Choudhary, Sumitra, Vikas Sharma, Abhishek Sharma, Ajay Kumar, and Parveen Kumar. "Analyzing the Properties of Zinc Oxide (ZnO) Thin Film Grown on Silicon (Si) Substrate, ZnO/Si Using RF Magnetron Sputtering Approach." In Modeling, Characterization, and Processing of Smart Materials, 297–308. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-9224-6.ch014.
Full textConference papers on the topic "Raman/PL"
Trinh, Tai Cong, Rabindra Basnet, Vigneshwaran Chandrasekaran, Michael Pettes, Rahul Rao, Andrew Jones, Jin Hu, and Han Htoon. "Optical Spectroscopy Unravels the Spin-Lattice Interplay in Doped NiPS3 Systems." In CLEO: Applications and Technology, JTh2A.17. Washington, D.C.: Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_at.2024.jth2a.17.
Full textCampbell, I. H., and P. M. Fauchet. "Laser-induced degradation of GaAs." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.thkk5.
Full textRohini, Puliyasseri, and Dillibabu Sastikumar. "Synthesis and characterization of Graphite Oxide from Graphite using Nano second pulsed laser ablation in liquid." In Advanced Solid State Lasers. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/assl.2022.jtu6b.17.
Full textHinrichs, Karsten, Andreas Furchner, and Jörg Rappich. "Optical monitoring during the electrochemical deposition of organic layers." In Applied Industrial Spectroscopy. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/ais.2023.am1a.1.
Full textChen, Qiong, Naili Yue, and Yong Zhang. "Micro-Raman/PL and Micro-LBIC studies of CZTSe materials and PV devices." In 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC). IEEE, 2013. http://dx.doi.org/10.1109/pvsc.2013.6744998.
Full textMartin, P., R. Bisaro, C. Dua, O. Noblanc, S. L. Delage, D. Floriot, F. Lemaire, P. Galtier, J. P. Landesman, and C. Brylinski. "Temperature Distributions in III-V and SiC Micro-Wave Power Transistors Using Spatially Resolved Photoluminescence and Raman-Spectrometry Mapping Respectively." In ISTFA 2000. ASM International, 2000. http://dx.doi.org/10.31399/asm.cp.istfa2000p0435.
Full textFuris, M. "Spin-polarized PL and Raman Spectroscopy of Nanocrystal Quantum Dots in High Magnetic Fields." In PHYSICS OF SEMICONDUCTORS: 27th International Conference on the Physics of Semiconductors - ICPS-27. AIP, 2005. http://dx.doi.org/10.1063/1.1994303.
Full textShen, Ze Xiang, Jiaxu Yan, Juan Xia, Dongfei Li, Xi Yuan, Xiaofeng Fan, and Lili Yang. "Stacking dependent electro and optical properties in 2D TMD by Raman/PL imaging (Conference Presentation)." In Nanoimaging and Nanospectroscopy IV, edited by Prabhat Verma and Alexander Egner. SPIE, 2016. http://dx.doi.org/10.1117/12.2238860.
Full textLeroy, E., S. Mamedov, E. Teboul, A. Whitley, D. Meyer, and L. Casson. "Complementing and adding to SEM performance with the addition of XRF, Raman, CL and PL spectroscopy and imaging." In Scanning Microscopy 2010, edited by Michael T. Postek, Dale E. Newbury, S. Frank Platek, and David C. Joy. SPIE, 2010. http://dx.doi.org/10.1117/12.864236.
Full textN, Nandha Kumar, Christin Jenifer A, Kathirvel D, and Kanchana G. "Effect of FeCl3, CoCl3, and NiCl3 on the Properties of Sulphamic Acid Single Crystals." In The Second National Conference on Emerging Materials for Sustainable Future, 102–7. Asian Research Association, 2024. http://dx.doi.org/10.54392/ara24110.
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