journal article·2016-01-13

Hybrid Perovskite Quantum Nanostructures Synthesized by Electrospray Antisolvent–Solvent Extraction and Intercalation

Rounak Naphade, Satyawan Nagane, G. Shiva Shanker, Rohan Fernandes, Dushyant Kothari, Yuanyuan Zhou, Nitin P. Padture, Satishchandra Ogale

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Abstract

Perovskites based on organometal lead halides have attracted great deal of scientific attention recently in the context of solar cells and optoelectronic devices due to their unique and tunable electronic and optical properties. Herein, we show that the use of electrospray technique in conjunction with the antisolvent-solvent extraction leads to novel low-dimensional quantum structures (especially 2-D nanosheets) of CH3NH3PbI3- and CH3NH3PbBr3-based layered perovskites with unusual luminescence properties. We also show that the optical bandgaps and emission characteristics of these colloidal nanomaterials can be tuned over a broad range of visible spectral region by compositional tailoring of mixed-halide (I- and Br-based) perovskites.
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Research context

OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties · 2D Materials and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Centre of Excellence in Solar Energy, Physical and Material Chemistry Division, National Chemical Laboratory (NCL) Pune, 411 008, India

Academy of Scientific and Innovative Research (AcSIR), Anusandhan Bhawan, 2 Rafi Marg, New Delhi 110 001, India

Department of Physics and Centre for Energy Science, Indian Institute of Science Education and Research (IISER), Dr. Homi Bhabha Road, Pune 411 008, India

Department of Physics and National Centre for Nanosciences & Nanotechnology, University of Mumbai, Vidyanagari, Santacruz (E), Mumbai 400 098, India

School of Engineering, Brown University, Providence, Rhode Island 02912, United States

Funding

Council of Scientific and Industrial Research · Ministry of New and Renewable Energy India · Department of Science and Technology, Ministry of Science and Technology · Division of Materials Research

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