Researcher Profile:
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Google Scholar
Research Gate

Guest Speaker
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A) Gandhigram Rural Institute, Dindugal, India, Audi Pre y postgrados, Doctorados y Docentes de la universidad.
1. Talk “Taller – de nanomaterials de semiconductores” (2020)
2. Talk “New hybrid solar cells – Perovskite solar cells (2016)
3. Talk “Molecular Engineering of dyes for their application in dye-sensitized solar cells (February-2015)

B) National Institute of Technology, Tiruchy, India Pre y Postgrados y estudiantes de Doctorados.
1. Talk “Taller – en materiales de semiconductores por aplicación en fotovoltaicas” (2019)
2. Talk “Perovskite solar cells based on methyammonium iodide” (January-2015)
3. Talk “Near future solar cells – Economic & good performers (February-2015)
4. Talk “Future solar cell technology –- Dye sensitized solar cells” (January-2014).
5. Talk “Non-destructive analysis of thin films” (February-2014)

C) Seremi Energía del Bio Bio, Investigadores involucrado en fotovoltaicas en el region del Bio Bio.
1. Talk “Energía del mar”, en Claustro Asociado Docentes y Registro de visitas (2017).

D) Sathyabama University, Chennai, India, por los pre y postgrados.
1. Charla “Photoacoustic spectroscopy and its applications in new generation solar cells” (February-2015)

E). Manonmaniam Sundarnar University, Tirunelveli, India
11. Charla “Replacement of Ruthenium dyes with other economic dyes in DSSC” (Enero-2014).

Activities and Workshops
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1. Natual Hisrotry Museum of Concepción, Concepcion, Chile:
“Charlas y Taller de Celda solares de Tinta” (August-2018 and August – 2017).
2. Orazul Energy, Cabrero, Chile:
Reunion y Taller para estudiantes del colegio en el tema de energias renovables (November-2017).
3. Activity for school students:
Taller para enseñar “Importancia de energías renovables y celdas solares” (Since 2016 onward).
4. Training for school teachers in the Biobío region:
“Fabrica y caracteriza tus celdas solares”- (Current)
5. Short workshop for school students with guest experts from international universities (2015)
6. Create a group of professors and studens that perform outreach in basic sciences and environmental topics

Associate Professor and member of the faculty of the Masters and Doctorate programs of the Physics Department at UdeC.
He is currently researching Photovoltaic Cells.

Email: paulraj@udec.cl
Office: 333, FCFM

  • Lead Researcher: FONDECYT Regular (N° 393723) Solutions to existent issues in DSSC and Perovskite solar cells for enhancing their efficiency and performance.
    (In Review).
  • Sponsoring Professor: FONDECYT Post Doctoral program (N° 3200635) Transition metals doped nanowire photoelectrodes combined with novel quaternary chalcogenide counter electrodes for efficient dye-sensitized solar cells.
    (2019 a 2021).
  • Sponsoring Professor: Fondecyt Post Doctorado program (N° 3190795) Developing stable and highly efficient perovskite solar cell.
    (2019 a 2022).

Quality and high yield synthesis of Ag nanowires by microwave-assisted hydrothermal method
Nanoscale research letters

Electrical and thermal characterization of Sm 3+ doped ceria electrolytes synthesized by combustion technique
Journal of Alloys and Compounds

Semitransparent chitosan-TiO2 nanotubes composite film for food package applications
Journal of applied polymer science

Electrical and thermal properties of 10 mol% Gd3+ doped ceria electrolytes synthesized through citrate combustion technique
Processing and Application of Ceramics

Thermal diffusivity measurements on As–Te–Ga glasses by photo-thermal deflection technique: Composition dependence and topological thresholds
Journal of Non-Crystalline Solids

Feasibility of neural network approach in spectral mixture analysis of reflectance spectra
International Journal of Remote Sensing

Investigation on chalcogenide glasses for its threshold phenomena using photothermal methods
Nondestructive Testing and Evaluation

Optical characterization of semiconductor materials by using FTIR-PAS
Journal of Physics: Conference Series

Synthesis and characterization of Y 3 Al 5 O 12 and ZrO 2–Y 2 O 3 thermal barrier coatings by combustion spray pyrolysis
Surface and Coatings Technology

Effect of lithium concentration on the thermal and optical properties of Li x Mn 2 O 4 by photoacoustic measurements
Physical Review B

Electronic structure: Wide-band, narrow-band, and strongly correlated systems-Effect of lithium concentration on the thermal and optical properties of LixMn2O4 by photoacoustic measurements (8
Physical Review-Section B-Condensed Matter

Evidence of band structure modification of LiMn2O4 upon lithium deintercalation by photoacoustic spectroscopy
Applied physics letters

Formation of hexagonal silicon carbide by high energy ion beam irradiation on Si (1 0 0) substrate
Journal of Physics D: Applied Physics

Photo-thermal deflection and electrical switching studies on Ge–Te–I chalcohalide glasses
Journal of Physics: Condensed Matter

Portable radiometer: A novel technique for in situ band gap measurements
Applied spectroscopy

RIGIDITY PERCOLATION AND CHEMICAL THRESHOLD OBSERVED IN Ge $ _ ${$7.5$}$ $ As $ _x $ Te $ _ ${$92.5-x$}$ $ CHALCOGENIDE GLASSES STUDIED FROM ITS THERMAL AND OPTICAL PROPERTIES

Characterisation of In $ _2 $ S $ _3 $ and ZnO thin films for photovoltaic application using Photothermal deflection technique
Journal de Physique IV (Proceedings)

Characterizations of undoped and Cu doped CdS thin films using photothermal and other techniques
physica status solidi (a)

Photothermal imaging of He+ ion implanted CdS
Journal de Physique IV (Proceedings)

Non-Destructive Evaluation of Ion-Implanted Semiconductor Thin Films Using Photothermal Deflections Spectroscopy
Dissertation Thesis

Studies on Ar+ implanted CdS thin films using photothermal deflection technique
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Photothermal deflection spectroscopy for ion implanted thinfilms
Solid State Physics

Celdas Solares de Tinta Sensibilizada–Un camino verde para el aprovechamiento de la enerǵıa solar

Extraction and characterization of natural dyes for their use in dye sensitized solar cell

Photosensitization of TiO 2 electrodes using photosynthetic pigment extracts of algae; A bio-mimetic approach to solar energy conversion