Tags: optical properties

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  1. Exciton Ultrafast Dynamics in Nanomaterials

    07 Dec 2023 | | Contributor(s):: Aziz Boulesbaa, The Micro Nano Technology - Education Center

    In this talk, I will present our experimental capabilities to study nanomaterials.  In particular, femtosecond laser spectroscopy and microscopy will be discussed....

  2. Modeling of P-N Junction Devices using Various Materials for Photovoltaic Applications Under Different Operating Environments

    06 Jul 2023 | | Contributor(s):: Sayan Roy

    Photovoltaic devices are typically two-, three- or multi-layer junction devices which can generate carriers on exposure to photon radiation. There are several essential device-specific factors and parameters which are required for accurate modeling and simulation of such devices. In this talk,...

  3. Chemical and Physical Properties of Endohedrally Doped Nanodiamonds

    09 Nov 2022 | | Contributor(s):: Tomekia Simeon

    The semiempirical electronic structure Parametric Method 3 (PM3) at the nanoHUB.org website is introduced to the student in this assignment. In particular, this semiempirical method is applied to study dopant semiconductor materials intercalated in two types of nanodiamond (ND) complexes:...

  4. Vincenzo Amendola

    Vincenzo Amendola is Professor of Physical Chemistry at Padova University, where he established and directs the Laser Assisted Synthesis and Plasmonics lab (www.chimica.unipd.it/lasp). His research...


  5. Faramarz --- salehiyazdi


  6. Introduction to Computational Chemistry Using the NUITNS Simulation Toolkit in nanoHUB

    06 Oct 2022 | | Contributor(s):: Tomekia Simeon

    In this seminar, Dr. Tomekia Simeon will describe how she has successfully used computational chemistry assignments in her undergraduate chemistry courses at Dillard University using nanoHUB’s free online simulation resources.

  7. Why You Should Care About Crystals

    21 Aug 2022 | | Contributor(s):: Aerielle Rodriguez, Rice University

    Why are Crystals important for material engineering? This project tested different crystals with varying band gaps in order to demonstrate the relationship between observable optical properties and physical properties of crystals.

  8. Optical Property of Single Wall Carbon Nanotube

    20 Aug 2022 | | Contributor(s):: Usha Devathosh, Rice University

    What are the optical properties of Single-Walled Carbon Nanotubes? Single-wall carbon nanotubes (SWCNTs) are 1D cylindrical nanomaterials that resemble a rolled up graphene sheet and have many interesting properties, including the strong fluorescence emission of semi-conducting SWCNTs in the...

  9. Deposition 2: Sputtering and Nucleation of the Deposited Material

    26 Feb 2022 | | Contributor(s):: Atilla Ozgur Cakmak, NACK Network, Rich Hill

    Sputtering is a fundamental Physical Vapor Deposition method that utilizes plasma. This session will focus on igniting a plasma for the benefit of a thin film deposition. Both DC and RF plasma based sputtering methods will be discussed. The physics of plasma will be elucidated by emphasizing the...

  10. Fusing Light With Heat: Polaritons for Nanoscale Thermal Transport & Sensing

    07 Oct 2021 | | Contributor(s):: Thomas Beechem

    Light exhibits a wave nature.  Phonons do too.  Within the infrared portion of the spectrum, these differing “waves” can interact to form hybrid energy carriers called polaritons.  Polaritons, in turn, provide fundamental advantages for optical functionality and...

  11. Machine Learning Framework for Impurity Level Prediction in Semiconductors

    15 Dec 2020 | | Contributor(s):: Arun Kumar Mannodi Kanakkithodi

    In this work, we perform screening of functional atomic impurities in Cd-chalcogenide semiconductors using high-throughput computations and machine learning.

  12. Spectrophotometry of Metal Nanoparticles

    16 Jun 2020 | | Contributor(s):: Chris Kaus, James J Marti, NNCI Nano

    This activity has students chemically synthesize gold and silver nanoparticles, measure the spectra of light absorption and transmission by these particles, compare these spectra to those of known-sized particles, and then estimate the size distribution of the particles they have made. By using...

  13. Interferencia de Capas Finas (Thin Films)

    24 Apr 2020 | | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, Christopher Kumm, Jim Marti (editor), Rodfal A. Rodríguez (editor), María T. Rivera (editor)

    En este módulo, los estudiantes aprenderán sobre las propiedades ópticas de las capas finas. Realizarán un experimento en el que aplicarán una capa fina sobre un pedazo de papel de cartulina o de construcción. De esta forma podrán observar...

  14. Understanding Waveguides: Light at the Nanoscale

    13 Feb 2020 | | Contributor(s):: Marilyn Garza, NNCI Nano

    There are three lessons for this activity that help students understand how light can travel through a waveguide for communication purposes. Students will first explore the angle of refraction. Next they will create a gelatin waveguide to explore issues associated with light and waveguides....

  15. Quantum Dots: Real-world Particles in a Box

    15 Jan 2020 | | Contributor(s):: Joyce Allen, NNCI Nano

    The purpose of this activity is to show that nanosize particles of a given substance often exhibit different properties and behavior than macro or micro size particles of the same material. The property studied in this activity is the absorption and reflection of light which is based on energy...

  16. Golden Opportunities: Gold Nanoparticles for Biomedical Applications

    14 Jan 2020 | | Contributor(s):: Catherine J. Murphy

    In this talk I will discuss how these nanoparticles are prepared, how their surface chemistry can be tuned, how apparent cytotoxicity can be traced back to reagents in the synthesis rather than the particles per se, how protein orientation can be controlled on their surfaces, how cells respond...

  17. CDs and DVDs as Diffraction Gratings

    13 Jan 2020 | | Contributor(s):: Rama Balachandran, Karen Porter Davis, NNCI Nano

    The objective of this lab is to compare the diffraction behavior of light waves between a CD and DVD. CDs and DVDs contain regularly spaced micrometer sized features which can act like a diffraction grating. Using commercial electronic storage devices like CDs and DVDs as gratings rather than...

  18. Refraction of Light: Forensics Lab

    06 Jan 2020 | | Contributor(s):: Karen Porter-Davis, NNCI Nano

    This lesson uses forensic science investigations to help students understand the refraction of light. Using The Marching Band Analogy, the students firsts “experience” how wavelengths of light can slow and bend.

  19. Light Extraction by Changing Composition of Material

    06 Jan 2020 | | Contributor(s):: Sidhu Rano, NNCI Nano

    This activity has been designed to have students explore light emitting diodes (LED) and the importance of index of refraction in improving LED efficiency. This activity investigates the tune-ability of a polymer’s index of refraction by using a macromodel LED.

  20. 3 min Research Talk: Plasmonic Core-Multishell Nanowires for Optical Applications

    26 Sep 2019 | | Contributor(s):: Raheem Carless

    ED lights and technology are being used more often in today’s society. Compared to traditional illumination they are far more reliable and efficient, in the sense that they last longer, are environmentally friendly, and most importantly, they reduce energy waste.