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Quantum dots have a small, countable number of electrons confined in a small space. Their electrons are confined by having a tiny bit of conducting material surrounded on all sides by an insulating material. If the insulator is strong enough, and the conducting volume is small enough, then the confinement will force the electrons to have discrete (quantized) energy levels. These energy levels can influence the device behavior at a macroscopic scale, showing up, for example, as peaks in the conductance. Because of the quantized energy levels, quantum dots have been called "artificial atoms." Neighboring, weakly-coupled quantum dots have been called "artificial molecules."

Learn more about quantum dots from the many resources on this site, listed below. More information on Quantum dots can be found here.

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  1. Illinois ABE 446 Lecture 3: Quantum Dots and Polymers

    11 Feb 2010 | Teaching Materials | Contributor(s): Kaustubh Bhalerao

    NCN@illinois

    https://nanohub.org/resources/8422

  2. 2005 Molecular Conduction and Sensors Workshop

    0.0 out of 5 stars 

    25 May 2005 | Workshops

    This is the 3rd in a series of annual workshops on Molecular Conduction. The prior workshops have been at Purdue University, W. Lafayette, IN (2003) and Nothwestern University, Evanston, IL...

    https://nanohub.org/resources/140

  3. 3D wavefunctions

    12 Apr 2010 | Animations | Contributor(s): Saumitra Raj Mehrotra, Gerhard Klimeck

    In quantum mechanics the time-independent Schrodinger's equation can be solved for eigenfunctions (also called eigenstates or wave-functions) and corresponding eigenenergies (or energy levels) for...

    https://nanohub.org/resources/8805

  4. Analytically how to find the energy states for an ellipsoidal Quantum Dot?

    Closed | Responses: 0

    https://nanohub.org/answers/question/521

  5. How do I interpret CV measurements of self-assembled quantum dot stacks?

    Closed | Responses: 0

    I’ve been reading papers where CV measurements of stacks of self-assembled quantum dots are used to characterise the energy levels in the dots. I am at a loss to interpret the plots. For...

    https://nanohub.org/answers/question/129

  6. Quantum dots

    Open | Responses: 1

    What I want to do is building an aluminum quantum dot coupled to aluminum leads to observe Coulomb Blockade. To form the tunnel barriers we oxidize the Al in a plasma without any detailed...

    https://nanohub.org/answers/question/2

  7. What is the effective mass of electron in InN (Quantum Dot)?

    Closed | Responses: 0

    I am working with InN QD. I need to know the actual electron effective mass in https://nanohub.org/answers/question/1193

  8. with what equations I can calculate photoluminescence spectra of Quantum Dots?

    Closed | Responses: 0

    I want to find theoretically photo and electro luminescence of self assembled InAs/GaAs QDs in a PIN diode...

    https://nanohub.org/answers/question/779

  9. A Gentle Introduction to Nanotechnology and Nanoscience

    4.5 out of 5 stars 

    13 Feb 2006 | Online Presentations | Contributor(s): Mark A. Ratner

    While the Greek root nano just means dwarf, the nanoscale has become a giant focus of contemporary science and technology. We will examine the fundamental issues underlying the excitement...

    https://nanohub.org/resources/1021

  10. A MATLAB code for Hartree Fock calculation of H-H ground state bondlength and energy using STO-4G

    5.0 out of 5 stars 

    08 Aug 2006 | Downloads | Contributor(s): Amritanshu Palaria

    Hartree Fock (HF) theory is one of the basic theories underlying the current understanding of the electronic structure of materials. It is a simple non-relativistic treatment of many electron...

    https://nanohub.org/resources/1718

  11. Abhisek Kole

    https://nanohub.org/members/149754

  12. Active Photonic Nanomaterials: From Random to Periodic Structures

    0.0 out of 5 stars 

    06 Feb 2006 | Online Presentations | Contributor(s): Hui Cao

    Active photonic nanomaterials, which have high gain or large nonlinearity, are essential to the development of nanophotonic devices and circuits. In this talk, I will provide a review of our...

    https://nanohub.org/resources/1012

  13. Alex Abelson

    https://nanohub.org/members/149740

  14. Ali Khaledi Nasab

    I am Ali, MSc of Physics. I am working on modelling of QDs. I will start my PhD next fall (2014). Now I am searching to find a proper 3D model to investigate the QDs.

    https://nanohub.org/members/93425

  15. Atomic Force Microscopy

    4.0 out of 5 stars 

    29 Nov 2005 | Online Presentations | Contributor(s): Arvind Raman

    Atomic Force Microscopy (AFM) is an indispensible tool in nano science for the fabrication, metrology, manipulation, and property characterization of nanostructures. This tutorial reviews some of...

    https://nanohub.org/resources/520

  16. Atomistic Alloy Disorder in Nanostructures

    4.5 out of 5 stars 

    26 Feb 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

    Electronic structure and quantum transport simulations are typically performed in perfectly ordered semiconductor structures. Bands and modes are defined resulting in quantized conduction and...

    https://nanohub.org/resources/2350

  17. Atomistic Modeling and Simulation Tools for Nanoelectronics and their Deployment on nanoHUB.org

    16 Dec 2010 | Online Presentations | Contributor(s): Gerhard Klimeck

    At the nanometer scale the concepts of device and material meet and a new device is a new material and vice versa. While atomistic device representations are novel to device physicists, the...

    https://nanohub.org/resources/10199

  18. Bandstructure in Nanoelectronics

    5.0 out of 5 stars 

    01 Nov 2005 | Online Presentations | Contributor(s): Gerhard Klimeck

    This presentation will highlight, for nanoelectronic device examples, how the effective mass approximation breaks down and why the quantum mechanical nature of the atomically resolved material...

    https://nanohub.org/resources/381

  19. Bionanotechnology: a different perspective

    0.0 out of 5 stars 

    30 Apr 2008 | Online Presentations | Contributor(s): Murali Sastry

    The study of the synthesis, exotic properties, assembly/packaging and potential commercial application of nanomaterials is an extremely important topic of research that is expected to have...

    https://nanohub.org/resources/4402

  20. BME 695L Lecture 5: Nanomaterials for Core Design

    03 Oct 2011 | Online Presentations | Contributor(s): James Leary

    See references below for related reading. 5.1      Introduction 5.1.1    core building blocks 5.1.2    functional...

    https://nanohub.org/resources/12057