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Thickness dependence on structural, dielectric and AC conduction studies of vacuum evaporated Sr doped BaTiO3 thin films (2015)
Journal Article
Raja, S., Bellan, C. S., Sundaram, S., subramani, G., & Rajamani, R. (2016). Thickness dependence on structural, dielectric and AC conduction studies of vacuum evaporated Sr doped BaTiO3 thin films. Optik, 127(6), 3200-3205. https://doi.org/10.1016/j.ijle

Barium titanate (BaTiO3) doped with Strontium (BST) nanoparticles prepared by using wet chemical method were thermally evaporated on to well cleaned glass substrates under the vacuum of 2 × 10−5 Torr, using 12A4 Hind Hivac coating unit. The thickness... Read More about Thickness dependence on structural, dielectric and AC conduction studies of vacuum evaporated Sr doped BaTiO3 thin films.

Thin-Film PV Technology (2015)
Book Chapter
Upadhyaya, H. M., Sundaram, S., Ivaturi, A., Buecheler, S., & Tiwari, A. N. (2015). Thin-Film PV Technology. In D. Yogi Goswami, & F. Kreith (Eds.), Energy Efficiency and Renewable Energy Handbook. Boca Raton: CRC Press. https://doi.org/10.1201/b18947-54

Crystalline silicon (c-Si) technology has a lion’s share in the present photovoltaic (PV) industry, contributing more than 85% through the cells and modules based on poly-, mono-, and multicrystalline wafer technology (Mints and Donnelly 2011). The r... Read More about Thin-Film PV Technology.

D–π–A system based on zinc porphyrin dyes for dye-sensitized solar cells: Combined experimental and DFT–TDDFT study (2015)
Journal Article
Narra, V. K., Ullah, H., Singh, V. K., Giribabu, L., Senthilarasu, S., Karazhanov, S., …Upadhyaya, H. M. (2015). D–π–A system based on zinc porphyrin dyes for dye-sensitized solar cells: Combined experimental and DFT–TDDFT study. Polyhedron, 100,

A series of four new porphyrin-furan dyads were designed and synthesized by having anchoring group either at meso-phenyl or pyrrole-β position of a zinc porphyrin based on donor–π–acceptor (D–π–A) approach. The porphyrin macrocycle acts as donor, fur... Read More about D–π–A system based on zinc porphyrin dyes for dye-sensitized solar cells: Combined experimental and DFT–TDDFT study.

High-Concentration Optics for Photovoltaic Applications (2015)
Book Chapter
Shanks, K., Senthilarasu, S., & Mallick, T. K. (2015). High-Concentration Optics for Photovoltaic Applications. In P. Pérez-Higueras, & E. F. Fernández (Eds.), High Concentrator Photovoltaics: Fundamentals, Engineering and Power Plants (85-113). Cham: S

The concept of a high-concentration optical system is introduced detailing the various design types and focusing only on those aimed at photovoltaic (PV) applications. This will include point focus, line focus, imaging, nonimaging, and the classical... Read More about High-Concentration Optics for Photovoltaic Applications.

White butterflies as solar photovoltaic concentrators (2015)
Journal Article
Shanks, K., Senthilarasu, S., Ffrench-Constant, R. H., & Mallick, T. K. (2015). White butterflies as solar photovoltaic concentrators. Scientific Reports, 5, Article 12267. https://doi.org/10.1038/srep12267

Man’s harvesting of photovoltaic energy requires the deployment of extensive arrays of solar panels. To improve both the gathering of thermal and photovoltaic energy from the sun we have examined the concept of biomimicry in white butterflies of the... Read More about White butterflies as solar photovoltaic concentrators.

Review on natural dye sensitized solar cells: Operation, materials and methods (2015)
Journal Article
Shalini, S., Balasundara prabhu, R., Prasanna, S., Mallick, T. K., & Senthilarasu, S. (2015). Review on natural dye sensitized solar cells: Operation, materials and methods. Renewable and Sustainable Energy Reviews, 51, 1306-1325. https://doi.org/10.1016/

Dye sensitized solar cells (DSSC) have become a topic of significant research in the last two decades because of their fundamental and scientific importance in the area of energy conversion. Ease of fabrication with widely available materials coupled... Read More about Review on natural dye sensitized solar cells: Operation, materials and methods.

Inkjet-printed TiO2 nanoparticles from aqueous solutions for dye-sensitized solar cells (DSSCs) (2015)
Journal Article
Cherrington, R., Hughes, D. J., Senthilarasu, S., & Goodship, V. (2015). Inkjet-printed TiO2 nanoparticles from aqueous solutions for dye-sensitized solar cells (DSSCs). Energy Technology, 3(8), 866-870. https://doi.org/10.1002/ente.201500096

This work reports on the formulation of suitable ink for inkjet printing of TiO2 by investigating the critical parameters of particle size, pH, viscosity, and stability. Aqueous suspensions of TiO2 nanoparticles (Degussa, P25) were prepared with the... Read More about Inkjet-printed TiO2 nanoparticles from aqueous solutions for dye-sensitized solar cells (DSSCs).

Effect of spectral irradiance variations on the performance of highly efficient environment-friendly solar cells (2015)
Journal Article
Fernández, E. F., Cruz, F. A., Mallick, T. K., & Sundaram, S. (2015). Effect of spectral irradiance variations on the performance of highly efficient environment-friendly solar cells. IEEE Journal of Photovoltaics, 5(4), 1150-1157. https://doi.org/10.110

The increasing environmental concerns on photovoltaic (PV) materials have attracted much attention to environment-friendly materials for solar energy conversion. In this paper, the environment-friendly materials based on dye-sensitized solar cells (D... Read More about Effect of spectral irradiance variations on the performance of highly efficient environment-friendly solar cells.

Applicability of silicon micro-finned heat sinks for 500× concentrating photovoltaics systems (2015)
Journal Article
Micheli, L., Senthilarasu, S., Reddy, K., & Mallick, T. K. (2015). Applicability of silicon micro-finned heat sinks for 500× concentrating photovoltaics systems. Journal of Materials Science, 50, 5378-5388. https://doi.org/10.1007/s10853-015-9065-2

In concentrating photovoltaic (CPV) applications, the sunlight is focused onto solar cells up to thousands of times and, without an adequate cooling system, the cell’s temperature can dangerously raise over the operating temperature range in few seco... Read More about Applicability of silicon micro-finned heat sinks for 500× concentrating photovoltaics systems.

Natural dye sensitized TiO2 nanorods assembly of broccoli shape based solar cells (2015)
Journal Article
Yuvapragasam, A., Muthukumarasamy, N., Agilan, S., Velauthapillai, D., Senthil, T., & Sundaram, S. (2015). Natural dye sensitized TiO2 nanorods assembly of broccoli shape based solar cells. Journal of Photochemistry and Photobiology B: Biology, 148, 223-2

TiO2 nanorods based thin films with rutile phase have been synthesized using template free low temperature hydrothermal method. The scanning electron microscope images showed that the prepared TiO2 samples were made of TiO2 nanorods and the nanorods... Read More about Natural dye sensitized TiO2 nanorods assembly of broccoli shape based solar cells.

Spectral coupling of atmosphere and the performance of perovskite solar cells (2015)
Presentation / Conference Contribution
Fernandez, E. F., Senthilarasu, S., Garcia-Loureiro, A., Almonacid, F., & Mallick, T. (2015). Spectral coupling of atmosphere and the performance of perovskite solar cells. In 2015 10th Spanish Conference on Electron Devices (CDE). https://doi.org/10.110

Perovskite solar cells have opened a potential market for the low cost manufacturing technics based solar cells which can change the photovoltaic (PV) production road map. Apart from the demonstrated high conversion efficiencies, these cells need to... Read More about Spectral coupling of atmosphere and the performance of perovskite solar cells.

Compound Parabolic Concentrator Design for Equatorial Africa (2014)
Presentation / Conference Contribution
Naman, G. Z., Sellami, N., Sarmah, N., Ivaturi, A., Senthilarasu, S., Bobbili, P., …Mallick, T. (2014). Compound Parabolic Concentrator Design for Equatorial Africa. In 1st Africa Photovoltaic Solar Energy Conference and Exhibition Proceedings. https:/

Compound Parabolic Concentrators (CPC) design uses interposed optical devices (such as parabolic trough, parabolic dish, linear Fresnel reflectors, etc) between the source of radiation (Sun in this case) and the energy absorbing surface (solar cell).... Read More about Compound Parabolic Concentrator Design for Equatorial Africa.

Effects of spectral coupling on perovskite solar cells under diverse climatic conditions (2014)
Journal Article
Senthilarasu, S., Fernández, E. F., Almonacid, F., & Mallick, T. K. (2015). Effects of spectral coupling on perovskite solar cells under diverse climatic conditions. Solar Energy Materials and Solar Cells, 133, 92-98. https://doi.org/10.1016/j.solmat.201

The high conversion efficiency of perovskite solar cells has opened a potential market for solar cells based on low cost manufacturing techniques which could change the photovoltaic (PV) production road map. Although the 9% efficient 10 cm x 10 cm pe... Read More about Effects of spectral coupling on perovskite solar cells under diverse climatic conditions.

Spray deposited copper zinc tin sulphide (Cu2ZnSnS4) film as a counter electrode in dye sensitized solar cells (2014)
Journal Article
Swami, S. K., Chaturvedi, N., Kumar, A., Chander, N., Dutta, V., Kumar, D. K., …Upadhyaya, H. M. (2014). Spray deposited copper zinc tin sulphide (Cu2ZnSnS4) film as a counter electrode in dye sensitized solar cells. Physical Chemistry Chemical Physics,

Stoichiometric thin films of Cu2ZnSnS4 (CZTS) were deposited by the spray technique on a FTO coated glass substrate, with post-annealing in a H2S environment to improve the film properties. CZTS films were used as a counter electrode (CE) in Dye-Sens... Read More about Spray deposited copper zinc tin sulphide (Cu2ZnSnS4) film as a counter electrode in dye sensitized solar cells.

Fabrication of NiO photoelectrodes by aerosol-assisted chemical vapour deposition (AACVD) (2014)
Journal Article
Mat-Teridi, M., Tahir, A. A., Senthilarasu, S., Wijayantha, K., Sulaiman, M., Ahmad-Ludin, N., …Sopian, K. (2014). Fabrication of NiO photoelectrodes by aerosol-assisted chemical vapour deposition (AACVD). physica status solidi (RRL) - Rapid Research Le

Nanostructured nickel oxide (NiO) photoelectrodes were fabricated with controlled morphology and texture using single-step aerosol-assisted chemical vapour deposition (AACVD). The durable one-step film fabrication process resulted in highly crystalli... Read More about Fabrication of NiO photoelectrodes by aerosol-assisted chemical vapour deposition (AACVD).

Ethynyl thiophene-appended unsymmetrical zinc porphyrin sensitizers for dye-sensitized solar cells (2014)
Journal Article
Reeta, P. S., Giribabu, L., Senthilarasu, S., Hsu, M., Kumar, D. K., Upadhyaya, H. M., …Hewat, T. (2014). Ethynyl thiophene-appended unsymmetrical zinc porphyrin sensitizers for dye-sensitized solar cells. RSC Advances, 4(27), 14165-14175. https://doi.o

Four unsymmetrical porphyrins of A2B donor–π–acceptor type have been designed, synthesized, characterized and their photovoltaic properties explored. Polycyclic aromatic hydrocarbons (PAH), such as pyrene or fluorene, act as a donor, the porphyrin is... Read More about Ethynyl thiophene-appended unsymmetrical zinc porphyrin sensitizers for dye-sensitized solar cells.

Design and optimisation of process parameters in an in-line CIGS evaporation pilot system (2013)
Journal Article
Wei, Z., Bobbili, P. R., Senthilarasu, S., Shimell, T., & Upadhyaya, H. M. (2014). Design and optimisation of process parameters in an in-line CIGS evaporation pilot system. Surface and Coatings Technology, 241, 159-167. https://doi.org/10.1016/j.surfcoat

Substantial efforts have been made globally towards improving Cu(In,Ga)Se2 thin film solar cell efficiencies with several organisations successfully exceeding the 20% barrier on a research level using the three-stage CIGS process, but commercial mass... Read More about Design and optimisation of process parameters in an in-line CIGS evaporation pilot system.

Recent progress and the status of dye-sensitised solar cell (DSSC) technology with state-of-the-art conversion efficiencies (2013)
Journal Article
Upadhyaya, H. M., Senthilarasu, S., Hsu, M., & Kumar, D. U. K. (2013). Recent progress and the status of dye-sensitised solar cell (DSSC) technology with state-of-the-art conversion efficiencies. Solar Energy Materials and Solar Cells, 119, 291-295. https

Dye-sensitised solar cell (DSSC) technology has seen some radical advancement recently owing to the new materials and device structure innovations. The efficiency increase in the solid state version of DSSCs from about 5% to over 15% have been report... Read More about Recent progress and the status of dye-sensitised solar cell (DSSC) technology with state-of-the-art conversion efficiencies.