Search Results - "Santra, Pralay K"

Mn-Doped Quantum Dot Sensitized Solar Cells: A Strategy to Boost Efficiency over 5 by Santra, Pralay K, Kamat, Prashant V

“…To make Quantum Dot Sensitized Solar Cells (QDSC) competitive, it is necessary to achieve power conversion efficiencies comparable to other emerging solar cell…”
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Origin of the Substitution Mechanism for the Binding of Organic Ligands on the Surface of CsPbBr3 Perovskite Nanocubes by Ravi, Vikash Kumar, Santra, Pralay K, Joshi, Niharika, Chugh, Jeetender, Singh, Sachin Kumar, Rensmo, Håkan, Ghosh, Prasenjit, Nag, Angshuman

“…Optoelectronic properties of CsPbBr3 perovskite nanocubes (NCs) depend strongly on the interaction of the organic passivating molecules with the inorganic…”
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CuInS2‑Sensitized Quantum Dot Solar Cell. Electrophoretic Deposition, Excited-State Dynamics, and Photovoltaic Performance by Santra, Pralay K, Nair, Pratheesh V, George Thomas, K, Kamat, Prashant V

“…Ternary metal chalcogenides such as CuInS2 offer new opportunities to design quantum dot solar cells (QDSC). Chemically synthesized CuInS2 quantum dots…”
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Earth-Abundant Cobalt Pyrite (CoS2) Thin Film on Glass as a Robust, High-Performance Counter Electrode for Quantum Dot-Sensitized Solar Cells by Faber, Matthew S, Park, Kwangsuk, Cabán-Acevedo, Miguel, Santra, Pralay K, Jin, Song

“…We report a cobalt pyrite (cobalt disulfide, CoS2) thin film on glass as a robust, high-performance, low-cost, earth-abundant counter electrode for…”
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Internal Heterostructure of Anion-Exchanged Cesium Lead Halide Nanocubes by Haque, Anamul, Ravi, Vikash Kumar, Shanker, G. Shiva, Sarkar, Indranil, Nag, Angshuman, Santra, Pralay K

“…All-inorganic cesium lead halide (CsPbX3; X = Cl, Br, and I) perovskite nanocubes (NCs) exhibit fascinating optical and optoelectronic properties…”
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Size-Induced Enhancement of Carrier Density, LSPR Quality Factor, and Carrier Mobility in Cr–Sn Doped In2O3 Nanocrystals by Tandon, Bharat, Yadav, Anur, Khurana, Deepak, Reddy, Pranavi, Santra, Pralay K, Nag, Angshuman

“…Heterovalent dopant ions, such as Sn4+, in In2O3 nanocrystals (NCs) provide free electrons for localized surface plasmon resonance (LSPR). But the same…”
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Role of Mn2+ in Doped Quantum Dot Solar Cell by Santra, Pralay K., Chen, Yong-Siou

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Improving Performance in Colloidal Quantum Dot Solar Cells by Tuning Band Alignment through Surface Dipole Moments by Santra, Pralay K, Palmstrom, Axel F, Tanskanen, Jukka T, Yang, Nuoya, Bent, Stacey F

“…Colloidal quantum dots (CQDs) have received recent attention for low cost, solution processable, high efficiency solid-state photovoltaic devices due to the…”
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Influence of Iodine Doping on the Structure, Morphology, and Physical Properties of Manganese Phthalocyanine Thin Films by Madhuri, K. Priya, John, Neena S, Angappane, S, Santra, Pralay K, Bertram, F

“…Doping with halide ions is a popular method to alter the properties of metal phthalocyanines (MPcs), particularly magnetic and electrical nature of organic…”
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Growth Mechanism of Nanocrystals in Solution: ZnO, a Case Study by Viswanatha, Ranjani, Santra, Pralay K, Dasgupta, Chandan, Sarma, D D

“…We investigate the mechanism of growth of nanocrystals from solution using the case of ZnO. Spanning a wide range of values of the parameters, such as the…”
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Molecular Ligands Control Superlattice Structure and Crystallite Orientation in Colloidal Quantum Dot Solids by Santra, Pralay K, Palmstrom, Axel F, Tassone, Christopher J, Bent, Stacey F

“…Colloidal quantum dot solids represent a new materials platform that has garnered interest for a variety of electronic, optoelectronic, and photovoltaic…”
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Templating effect of single-layer graphene supported by an insulating substrate on the molecular orientation of lead phthalocyanine by Madhuri, K Priya, Sagade, Abhay A, Santra, Pralay K, John, Neena S

“…The influence of single-layer graphene on top of a SiO 2 /Si surface on the orientation of nonplanar lead phthalocyanine (PbPc) molecules is studied using…”
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Synergistic Path for Dual Anisotropic and Electrically Switchable Emission From a Nanocomposite of CsPbBr3 Quantum Cuboids and Nematic Liquid Crystal by Satapathy, Pragnya, Santra, Pralay K., Prasad, S. Krishna

“…We report photophysical properties of a nanocomposite consisting of perovskite quantum cuboids (QCs) formed by CsPbBr3 and a wide temperature range nematic…”
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Determination of Internal Structures of Heterogeneous Nanocrystals Using Variable-Energy Photoemission Spectroscopy by Mukherjee, Sumanta, Hazarika, Abhijit, Santra, Pralay K, Abdelhady, Ahmed L, Malik, Mohammad Azad, Gorgoi, Mihaela, O’Brien, P, Karis, O, Sarma, D. D

“…This article describes the determination of the internal structure of heterogeneous nanoparticle systems including inverted core–shell (CdS core and CdSe…”
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Tandem-Layered Quantum Dot Solar Cells: Tuning the Photovoltaic Response with Luminescent Ternary Cadmium Chalcogenides by Santra, Pralay K, Kamat, Prashant V

“…Photon management in solar cells is an important criterion as it enables the capture of incident visible and infrared photons in an efficient way. Highly…”
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Probing Chemical-Composition-Induced Heterostructures and Interfaces in Lead Halide Perovskites by Rathod, Radha, Santra, Pralay K.

“…Lead halide perovskites (LHP) are of great interest for their optoelectronic properties and photovoltaic applications. Various heterostructures are created in…”
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Investigation of the Internal Heterostructure of Highly Luminescent Quantum Dot−Quantum Well Nanocrystals by Santra, Pralay K, Viswanatha, Ranjani, Daniels, Steve M, Pickett, Nigel L, Smith, Jason M, O’Brien, Paul, Sarma, D. D

“…In this paper, we report on the growth and characterization of quantum dot−quantum well nanostructures with photoluminescence (PL) that is tunable over the…”
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Understanding the Transformation of 2D Layered Perovskites to 3D Perovskites in the Sonochemical Synthesis by Hossain, Modasser, Chonamada, Trupthi Devaiah, Santra, Pralay K

“…Two-dimensional (2D) layered Ruddlesden–Popper metal halide perovskites (MHPs) show enhanced stability compared to three-dimensional (3D) MHPs. The general…”
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X‑ray Photoelectron Spectroscopy: A Unique Tool To Determine the Internal Heterostructure of Nanoparticles by Sarma, D. D, Santra, Pralay K, Mukherjee, Sumanta, Nag, Angshuman

“…We review the existing literature on the application of X-ray photoelectron spectroscopy in the study of nanocrystals. The unique ability of this technique to…”
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Ultrabroad Near Infrared Emitting Perovskites by Saikia, Sajid, Gopal, Animesh, Rathod, Radha, Joshi, Aprajita, Priolkar, K R, Saha, Surajit, Santra, Pralay K, Shanmuganathan, Kadhiravan, Nag, Angshuman

“…Phosphor converted light emitting diodes (pc-LEDs) have revolutionized solid-state white lighting by replacing energy-inefficient filament-based incandescent…”
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