THZ AND SOLAR CELLS LABORATORY
Description
The group is devoted to detection and emission of terahertz radiation at room temperature by using submicron size transistors and characterization of solar cell (IV, CV, Quantum efficiency ...). The group dispose of different equipment listed below as well as a license of TCAD Synopsys and Monte Carlo software, Pyroelectric detectors, quantum cascade lasers at 2.5THz and other different instruments (Lock-‐in amplifiers, pulse generators, source meters...)
Equipment
| FT‐IR Spectrometer -Vertex 70v Range:8000 to 350 cm‐1 (10-‐240 THz) at step: 0.16 cm-‐1 (4.8GHz) |
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| Highly sensitive 4K Silicon bolometer 600 to 10 cm-‐1 (0.3-‐18THz) |
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| Terahertz time domain spectroscopy system (TDS-‐THz) range: 0.2-‐3THz |
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| Terahertz imaging system at 0.15 and 0.3THz |  |
| Probe station (Cascade PureLine/MicroChamber 11000B) |  |
| Agilent B1500A Semiconductor Device analyzer (4 SMUS, C‐V and transient units) |
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| External and internal quantum efficiency of solar cells, Transmittance and reflectance in the range from 200nm to 1100nm |
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| Solar simulator |  |
| Closed Cycle Optical Cryostat 4K OptistatAC-V12 |
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CARACTERIZACIÓN ÓPTICA Y TERAHERCIO (PDF)
CHEMICAL AND STRUCTURAL CHARACTERIZATION OF NANOMATERIALS
Main Equipments
We prepare and characterize new materials such as metal nanoparticles, Quantum dots and graphene derivatives in solution and deposited onto solids.
| Langmuir-‐Blodgett (KSV2000 System 2) To Fabricate and characterize monomolecular films with precise control of lateral packing density |
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| Brewster Angle Microscopy (Optrel BAM 3000) Visualization of Langmuir monolayers or adsorbate films at the air-‐water interface |
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| Kelvin probe (KSV SPOT1) It allows determining Composition, Dissociation degree, Orientation and Interaction in Langmuir monolayers |
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| Quartz Crystal Microbalance (Q-‐sense E1) Mass changes and interactions occurring at surfaces. Surface rheology of surface bound materials. |
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| Raman UV-‐VIS-‐NIR LabRam HR Evolution Laser sources: 532 nm 100 mW 633 nm 17mW 770 ‐ 795 nm > 200 mW |
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| Malvern Zetasizer Nano ZS To determine Molecular size, Molecular weight, Particle size, Zeta potential |
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| Drop (Lauda TVT 2) and maximum bubble pressure tensiometers (Lauda MPT2) To measure equilibrium and dynamic surface tension (from 1 ms) |
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