Search Results - "Singh, Roja"

Caste, Gender and Fire in Maadathy: An Unconventional Fairy Tale by Singh, Roja

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Inkjet-printed optical interference filters by Jin, Qihao, Zhang, Qiaoshuang, Rainer, Christian, Hu, Hang, Chen, Junchi, Gehring, Tim, Dycke, Jan, Singh, Roja, Paetzold, Ulrich W., Hernández-Sosa, Gerardo, Kling, Rainer, Lemmer, Uli

“…Optical interference filters (OIFs) are vital components for a wide range of optical and photonic systems. They are pivotal in controlling spectral…”
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ALD Al2O3 on hybrid perovskite solar cells: Unveiling the growth mechanism and long-term stability by Singh, Roja, Ghosh, Sudeshna, Subbiah, Anand S., Mahuli, Neha, Sarkar, Shaibal K.

“…Though perovskite solar cells (PSC) have reached high efficiency comparable to its counterparts, it is still striving towards finding a strong hold in terms of…”
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Repeatable Perovskite Solar Cells through Fully Automated Spin-Coating and Quenching by Baumann, Daniel O., Laufer, Felix, Roger, Julie, Singh, Roja, Gholipoor, Mohammad, Paetzold, Ulrich W.

“…Enhancing reproducibility, repeatability, as well as facilitating transferability between laboratories will accelerate the progress in many material domains,…”
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Evaporated Self‐Assembled Monolayer Hole Transport Layers: Lossless Interfaces in p‐i‐n Perovskite Solar Cells by Farag, Ahmed, Feeney, Thomas, Hossain, Ihteaz M., Schackmar, Fabian, Fassl, Paul, Küster, Kathrin, Bäuerle, Rainer, Ruiz‐Preciado, Marco A., Hentschel, Mario, Ritzer, David B., Diercks, Alexander, Li, Yang, Nejand, Bahram Abdollahi, Laufer, Felix, Singh, Roja, Starke, Ulrich, Paetzold, Ulrich W.

“…Engineering of the interface between perovskite absorber thin films and charge transport layers has fueled the development of perovskite solar cells (PSCs)…”
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Danger in the Dark: Stability of Perovskite Solar Cells with Varied Stoichiometries and Morphologies Stressed at Various Conditions by Singh, Roja, Hu, Hang, Feeney, Thomas, Diercks, Alexander, Laufer, Felix, Li, Yang, Duong, The, Schackmar, Fabian, Nejand, Bahram A., Paetzold, Ulrich W.

“…The long-term stability of perovskite solar cells (PSCs) remains a bottleneck for commercialization. While studies on the stoichiometry and morphology of PSCs…”
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Perovskite sensitized solar cell using solid polymer electrolyte by Rahul, Bhattacharya, B., Singh, Pramod K., Singh, Roja, Khan, Zishan H.

“…A perovskite sensitized solar cell (PSSC) comprising ethyl ammonium tri-lead iodide (CH3CH2NH3PbI3) and solid polymer electrolyte have been successfully…”
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Scalable two-terminal all-perovskite tandem solar modules with a 19.1% efficiency by Abdollahi Nejand, Bahram, Ritzer, David B., Hu, Hang, Schackmar, Fabian, Moghadamzadeh, Somayeh, Feeney, Thomas, Singh, Roja, Laufer, Felix, Schmager, Raphael, Azmi, Raheleh, Kaiser, Milian, Abzieher, Tobias, Gharibzadeh, Saba, Ahlswede, Erik, Lemmer, Uli, Richards, Bryce S., Paetzold, Ulrich W.

“…Monolithic all-perovskite tandem photovoltaics promise to combine low-cost and high-efficiency solar energy harvesting with the advantages of all-thin-film…”
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Enhanced operational stability through interfacial modification by active encapsulation of perovskite solar cells by Ghosh, Sudeshna, Singh, Roja, Subbiah, Anand S., Boix, Pablo P., Mora Seró, Iván, Sarkar, Shaibal K.

“…Encapsulates are, in general, the passive components of any photovoltaic device that provides the required shielding from the externally stimulated…”
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Harvesting Sub-bandgap Photons via Upconversion for Perovskite Solar Cells by Singh, Roja, Madirov, Eduard, Busko, Dmitry, Hossain, Ihteaz M, Konyushkin, Vasilii A, Nakladov, Andrey N, Kuznetsov, Sergey V, Farooq, Amjad, Gharibzadeh, Saba, Paetzold, Ulrich W, Richards, Bryce S, Turshatov, Andrey

“…Lanthanide-based upconversion (UC) allows harvesting sub-bandgap near-infrared photons in photovoltaics. In this work, we investigate UC in perovskite solar…”
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Monolithic Two-Terminal Perovskite/CIS Tandem Solar Cells with Efficiency Approaching 25 by Ruiz-Preciado, Marco A., Gota, Fabrizio, Fassl, Paul, Hossain, Ihteaz M., Singh, Roja, Laufer, Felix, Schackmar, Fabian, Feeney, Thomas, Farag, Ahmed, Allegro, Isabel, Hu, Hang, Gharibzadeh, Saba, Nejand, Bahram Abdollahi, Gevaerts, Veronique S., Simor, Marcel, Bolt, Pieter J., Paetzold, Ulrich W.

“…Monolithic two-terminal (2T) perovskite/CuInSe2 (CIS) tandem solar cells (TSCs) combine the promise of an efficient tandem photovoltaic (PV) technology with…”
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In Situ Process Monitoring and Multichannel Imaging for Vacuum‐Assisted Growth Control of Inkjet‐Printed and Blade‐Coated Perovskite Thin‐Films by Schackmar, Fabian, Laufer, Felix, Singh, Roja, Farag, Ahmed, Eggers, Helge, Gharibzadeh, Saba, Abdollahi Nejand, Bahram, Lemmer, Uli, Hernandez‐Sosa, Gerardo, Paetzold, Ulrich W.

“…Vacuum‐assisted growth (VAG) control is one of the most promising methods for controlling nucleation and crystallization of printed and coated large area lead…”
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Four‐Terminal Perovskite/Copper Indium Gallium Selenide Tandem Solar Cells: Unveiling the Path to >27% in Power Conversion Efficiency by Feeney, Thomas, Hossain, Ihteaz M., Gharibzadeh, Saba, Gota, Fabrizio, Singh, Roja, Fassl, Paul, Mertens, Adrian, Farag, Ahmed, Becker, Jan-Philipp, Paetel, Stefan, Ahlswede, Erik, Paetzold, Ulrich W.

“…Over the past decade, the impressive progress in power conversion efficiency (PCE) of organometallic halide perovskite solar cells (PSCs), coupled with their…”
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One‐step Solution‐Processed Formamidinium Lead Tribromide Formation for Better Reproducible Planar Perovskite Solar Cells by Das, Jaykrushna, Subbiah, Anand S., Mahuli, Neha, Singh, Roja, Sarkar, Shaibal K.

“…Low‐cost solar cells based on solution‐processed organic–inorganic hybrid perovskites with high photovoltage are highly sought after, especially for their use…”
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