Quantum Dots — Prelims Questions

Which of the following statements about Quantum Dots (QDs) is/are correct? 1. The color of light emitted by a quantum dot is independent of its size. 2. Quantum dots are zero-dimensional (0D) nanomaterials. 3. Cadmium Selenide (CdSe) is a common material used in quantum dots for QLED displays. 4. The quantum confinement effect leads to continuous energy bands in QDs. Select the correct answer using the code given below:

Consider the following applications: 1. High-resolution QLED displays 2. Enhanced efficiency in solar cells 3. Targeted drug delivery in medicine 4. Qubits in quantum computing Which of the above are potential applications of Quantum Dots?

Which of the following manufacturing techniques is NOT primarily associated with the synthesis of individual Quantum Dots for scalable production?

Regarding India's initiatives in Quantum Dots technology, consider the following statements: 1. The National Mission on Quantum Technologies & Applications (NMQTA) explicitly includes quantum materials and devices, such as quantum dots, as a focus area. 2. India primarily focuses on importing quantum dot technology rather than indigenous development. 3. Silicon quantum dots are being explored in India due to their non-toxicity and compatibility with existing electronics. Which of the statements given above is/are correct?

Which of the following is a primary concern regarding the widespread adoption of Cadmium-based Quantum Dots (e.g., CdSe)?