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Questions & Answers (1-18 of 18)

  1. How can I get the total absorption/absorbance of the whole surface of a quantum dot in a QD solar cell by varying the angles theta and phi?

    Closed | Responses: 0

    Hi there, I was doing a research on Quantum Dot in Solar Cell and I thought your software could be very useful for my work. I was intending to vary the size and shape of quantum dots and see the …

    https://nanohub.org/answers/question/1123

  2. How can I get the total absorption/absorbance of the whole surface of a quantum dot in a QD solar cell by varying the angles theta and phi?

    Closed | Responses: 0

    Hi there, I was doing a research on Quantum Dot in Solar Cell and I thought your software could be very useful for my work. I was intending to vary the size and shape of quantum dots and see the …

    https://nanohub.org/answers/question/1122

  3. Can I calculate the energies for 2 coupled dots across a thin barrier?

    Closed | Responses: 1

    https://nanohub.org/answers/question/888

  4. anisotropic effective masses

    Closed | Responses: 1

    I want to simulate Bismuth which has anisotropic effective masses... how can I input that?

    https://nanohub.org/answers/question/877

  5. How i can determine input for the e dimension for pyramidical or spheroid qdot? what should be the value of Lx,Ly & Lz?

    Open | Responses: 1

    https://nanohub.org/answers/question/659

  6. example results

    Closed | Responses: 2

    Doing the examples in learning module of Introduction of Quantum Dot Lab, I don't get the same results for ground and excited states as well as the state vs eigenenergy values as they are in the …

    https://nanohub.org/answers/question/595

  7. I compared a free electron in a 10nm x 10nm x 10nm closed box with an analytical formula and got a very different result

    Closed | Responses: 3

    I expect to get 0.011eV for the ground state quantization energy. The tool gives me 0.040eV. Is it a problem in my interpretation of the results or the tool is wrong?

    https://nanohub.org/answers/question/535

  8. Number of Atoms

    Open | Responses: 1

    I was trying to relate the volume size and the number of atoms in the simulation. I picked a 2nm-by-2nm-by-2nm box, but when I checked the Output Log file, it only contains 64 atoms. Shouldn't the …

    https://nanohub.org/answers/question/426

  9. Temperature Adjustment

    Open | Responses: 1

    Thank you for providing this great tool. I'm trying to simulate properties of QDs in different temperatures. I wasn't sure where in the simulation, the 'Ambient Temperature' parameter is …

    https://nanohub.org/answers/question/421

  10. How to distinct the conducting band and valance band

    Open | Responses: 1

    I am glad to use this tool. I have calculated 7 bands accordingto the default configuration. However, i can not distinct the conducting band and valvance band. Furthermore, i want to know which ones …

    https://nanohub.org/answers/question/417

  11. Barrier material, energy scale

    Open | Responses: 1

    Dear Sirs, Do you pretend to make a version of Quantum Dot Lab that enabe us to consider the barrier constitution? (no freestanding) As for example, self assembled InAs quantum dots immersed on …

    https://nanohub.org/answers/question/369

  12. Several Questions detailed below.

    Open | Responses: 1

    I love this tool, but I have a few questions... 1. What do the shapes of the wavefunctions mean? Does the surface represent energy levels? 2. Where is the effective mass input? I notice …

    https://nanohub.org/answers/question/195

  13. Assumptions used in the QDs simulattions

    Open | Responses: 1

    Dear author, thank you for providing us this useful software. Do you mind to tell me the assumptions and some fixed parameters used in the simulations, for example, the background materials and …

    https://nanohub.org/answers/question/171

  14. There are no default values listed for the different effective masses for the different materials

    Open | Responses: 2

    Some of the other nanoHUB tools list preset values of effective masses for different materials. quantum dot lab, just has an entry for effective masses, could it be made similar to what other tools …

    https://nanohub.org/answers/question/160

  15. nanowire absorption spectrum

    Open | Responses: 2

    can we simulate the optical properties of a nanowire?

    https://nanohub.org/answers/question/108

  16. Results fail to appear with certain parameters

    Open | Responses: 2

    The Quantum Dot Lab tool failed to give me any result when I used the default inputs with following parameters: Number of States: 50 Geometry: Pyramid Simulation seemed to run, but no result was …

    https://nanohub.org/answers/question/73

  17. Follow up to material change quantum dot lab

    Open | Responses: 3

    Dear Dr Klimeck Thank you very much for your feedback. We want to simulate a different material from GaAs such as CdSe/CdTe/ ZnS using NEMO3D. We accessed your website and read your papers on …

    https://nanohub.org/answers/question/66

  18. material change quantum dot lab

    Open | Responses: 1

    Quantum dot lab uses GaAs as material. I want to simulate a different material such as CdSe or CdTe. How do i change material and simulate it ?

    https://nanohub.org/answers/question/63

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