Jain, Sagar M - Swansea University - College of Engineering

研究领域

The research interest of Dr. Jain, targets on next generation photovoltaic materials, mainly perovskite solar cells (PSCs) and Organic solar cells. Although, perovskite solar cells achieved 22 % record high efficiency for small modules, the toxicity of lead present in them and the stability of the solar cells still remains a hurdle for their commercialization. Align in this direction, Sagar´s work is focused on several domains of research involving PSCs as: Synthesis and characterization of new absorber materials, new interfaces as well single crystals for solar cells, designing new solar cell architectures – investigate structural, optical, and electronic properties by combining different experimental and characterization techniques. Characterization techniques: X-ray diffraction; Atomic force microscopy (AFM); Scanning electron microscopy (SEM); Transmission electron microscopy (TEM) and Kelvin probe Spectroscopies: NEXAFS – Near edge X-Ray Absorption fine structure; HR-XPS – High resolution X-ray photoelectron; UV-Visible, Raman, Photoluminiscence etc Interface engineering of Solar cells : development of 2D materials for high efficiency, low cost and stable hybrid solar cells and modules, utilizing graphene, carbon nanotubes, self-assembled monolayers (SAMs) and other 2D materials. One of the aspect of the research is investigating the new lead-free perovskite materials to be used in solar cells as well investigation of stability of perovskite and organic photovoltaic solar cells. In addition, Sagar is also finding alternative low cost and low temperature processed hole transport and electron transport materials for perovskite solar cells and development of new deposition techniques and methodology for preparation of perovskite solar cells.

近期论文

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Jain, Sagar. (in press). Interface Modification by Ionic Liquid: A Promising Candidate for Indoor Light Harvesting and Stability Improvement of Planar Perovskite Solar Cells. Advanced Energy Materials Jain, Sagar M.., Phuyal, Dibya., Davies, Matthew L.., Li, Meng., Philippe, Bertrand., De Castro, Catherine., Qiu, Zhen., Kim, Jinhyun., Watson, Trystan., Tsoi, Wing Chung., Karis, Olof., Rensmo, Håkan., Boschloo, Gerrit., Edvinsson, Tomas. & Durrant, James R.. (2018). An effective approach of vapour assisted morphological tailoring for reducing metal defect sites in lead-free, (CH 3 NH 3 ) 3 Bi 2 I 9 Bismuth-based perovskite solar cells for improved performance and long-term stability. Nano Energy doi:10.1016/j.nanoen.2018.05.003 Phuyal, Dibya., Jain, Sagar M.., Philippe, Bertrand., Johansson, Malin B.., Pazoki, Meysam., Kullgren, Jolla., Kvashnina, Kristina O.., Klintenberg, Matthias., Johansson, Erik M. J.., Butorin, Sergei M.., Karis, Olof. & Rensmo, Håkan. (2018). The electronic structure and band interface of cesium bismuth iodide on a titania heterostructure using hard X-ray spectroscopy. Journal of Materials Chemistry doi:10.1039/C8TA00947C Jain, Sagar. (2017). Vapour Assisted Morphological Tailoring of Lead-Free Bismuth Based Perovskite Solar Cells for Improved Performance and Stability. Presented at Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics 2018 (AP-HOPV18), Kitakyushu, Japan: Asia Pacific Hybrid and Organic Photovoltaic Conference 2018, AP-HOPV 2018. doi:10.29363/nanoge.ap-hopv.2018.035 Jain, Sagar., Boschloo, Gerrit. & Durrant, James. (2018). Nontoxic (CH3NH3)3Bi2I9 Bismuth based perovskite solar cells : Improved device performance and stability through morphological tailoring. Presented at Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV18)(/HOPV18), Benidorm , Spain: Hybrid and Organic Photovoltaic Conference 2018. doi:10.29363/nanoge.hopv.2018.001