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Optoelectronics

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Seminar

Type-II CdTe/ZnCdSe quantum dot intermediate band solar cells with optimized broadband Bragg reflector

Igor Kuskovsky · Queens College, CUNY

Mon, Nov 9 · 17:15 UTC · Online

Intermediate-band solar cells seek to absorb photons below the host band gap and increase current without sacrificing voltage. This talk examines submonolayer CdTe quantum dots embedded in ZnCdSe matched to InP, avoiding a harmful wetting layer and permitting hundreds of absorbing layers. Recent growth results show deeper photoluminescence associated with larger dots and improved intermediate-band placement. A complementary inverse-design study optimizes ZnCdSe/ZnCdMgSe distributed Bragg reflectors to recycle photons over 1–1.8 micrometres and incidence angles of 0–70 degrees. Total absorption guides optimization, with designs showing broad reflectivity and tolerance to fabrication errors.

materials-physics

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Two-year postdoctoral role developing light-responsive memristor arrays to connect biological neurons with neuromorphic electronics. The project explores materials and device structures for neural imaging and closed-loop bio-hybrid systems, in collaboration with the University of Massachusetts Amherst. Based in the Nanomagnetism and Spintronics group, with access to OtaNano facilities. Gross monthly starting pay is EUR 4,229.48–4,649.25. Submit one English PDF containing a motivation letter, CV/publications, degree records and two referee contacts.

Lead research combining AI-assisted synthesis and nanocrystal growth to develop nanoparticles with improved optical properties and optoelectronic devices. This permanent role is in the Nanoparticle Group at the Research Center for Materials Nanoarchitectonics. The expected start is 1 April 2027, negotiable. Applications and two recommendation letters are due 21 October 2026.

Pursue research on terahertz spectroscopy of two-dimensional quantum matter and/or designer quantum materials and devices with Taketo Handa. Projects develop ultrafast measurements, van der Waals heterostructures and nanodevices to study electronic, optical and quantum behaviour. The full-time appointment initially lasts two years, with a start as early as possible after 1 January 2027. The initial application deadline is 30 November 2026; the employer may continue accepting applications afterwards until positions are filled. Follow the official email instructions with a CV including three referees and research-area preferences; a cover letter is encouraged.

New and updated

Seminar

Type-II CdTe/ZnCdSe quantum dot intermediate band solar cells with optimized broadband Bragg reflector

Igor Kuskovsky · Queens College, CUNY

Mon, Nov 9 · 17:15 UTC · Online

Intermediate-band solar cells seek to absorb photons below the host band gap and increase current without sacrificing voltage. This talk examines submonolayer CdTe quantum dots embedded in ZnCdSe matched to InP, avoiding a harmful wetting layer and permitting hundreds of absorbing layers. Recent growth results show deeper photoluminescence associated with larger dots and improved intermediate-band placement. A complementary inverse-design study optimizes ZnCdSe/ZnCdMgSe distributed Bragg reflectors to recycle photons over 1–1.8 micrometres and incidence angles of 0–70 degrees. Total absorption guides optimization, with designs showing broad reflectivity and tolerance to fabrication errors.

materials-physics

Two-year postdoctoral role developing light-responsive memristor arrays to connect biological neurons with neuromorphic electronics. The project explores materials and device structures for neural imaging and closed-loop bio-hybrid systems, in collaboration with the University of Massachusetts Amherst. Based in the Nanomagnetism and Spintronics group, with access to OtaNano facilities. Gross monthly starting pay is EUR 4,229.48–4,649.25. Submit one English PDF containing a motivation letter, CV/publications, degree records and two referee contacts.

Pursue research on terahertz spectroscopy of two-dimensional quantum matter and/or designer quantum materials and devices with Taketo Handa. Projects develop ultrafast measurements, van der Waals heterostructures and nanodevices to study electronic, optical and quantum behaviour. The full-time appointment initially lasts two years, with a start as early as possible after 1 January 2027. The initial application deadline is 30 November 2026; the employer may continue accepting applications afterwards until positions are filled. Follow the official email instructions with a CV including three referees and research-area preferences; a cover letter is encouraged.

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