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SolProDet

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Solution-processed toxic metal-free alloy colloidal quantum dots for self-powere...

Solution-processed toxic metal-free alloy colloidal quantum dots for self-powered near-infrared photodetector application Self-powered near-infrared (NIR: 0.7–2.5 μm) deteSelf-powered near-infrared (NIR: 0.7–2.5 μm) detection technologies attract immense interest both from scientists and industry experts due to their vital applications in environment... ver más

31/10/2026

TUD

174K€

Presupuesto del proyecto: 174K€

Líder del proyecto

TECHNISCHE UNIVERSITAET DRESDEN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2024-03-25

HORIZON-MSCA-2023-PF-01-01: MSCA Postdoctoral Fellowships 2023 ExpectedOutcome:Project results are expected to contribute to the following outcomes:

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No hay información privada compartida para este proyecto. Habla con el coordinador.

1 Participantes

TUD

173.85K€ | Lider

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Duración del proyecto: 31 meses Fecha Inicio: 2024-03-25
Fecha Fin: 2026-10-31

Líder del proyecto

TECHNISCHE UNIVERSITAET DRESDEN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 174K€

Descripción del proyecto Self-powered near-infrared (NIR: 0.7–2.5 μm) deteSelf-powered near-infrared (NIR: 0.7–2.5 μm) detection technologies attract immense interest both from scientists and industry experts due to their vital applications in environmental monitoring, night vision, and imaging in remote locations. However, available conventional NIR photodetectors (PDs) are based on costly fabricated inorganic semiconductor materials or toxic heavy metal-containing quantum dots (QDs), which restrict their use in electronics and biomedical applications. Silver chalcogenide-based (Ag2E, E= S, Se, Te) QDs have recently joined as new promising toxic heavy metal-free materials for NIR detection, making them appealing from health and environmental safety perspectives. Nevertheless, the development of Ag2E-based NIR PDs is in its initial stage and far behind the commercially available devices due to the lack of protocols for device-relevant thin film fabrication with favourable device architecture. In this project, we propose a novel approach to solve this issue, which consists of two strategies: (i) chemical synthesis of small Ag2E and MAgE alloyed QDs followed by thin film preparation with favourable legend and thickness, (ii) PD architecture with proper electrode and electrode distance. To achieve this, the first strategy will develop synthesis protocols to control the size of Ag2E QDs and optimize their absorption and electronic properties by ligand exchange for NIR PDs application with different metal electrodes and electrode distances. In the next stage, the potential metal alloy will be introduced into Ag2E QDs by cation exchange, followed by studying the optical and electrical properties to optimize the synthesis and thin film quality for self-powered NIR PDs. In the last stage, the work will concentrate on the optimization of photodiodes using the best-suited Ag2E and MAgE QDs and demonstrate the application potential and related extensive characterization of these devices for upscaling.

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