Search Results - "Nandi, Raju"

Group Inverses of Weighted Trees by Nandi, Raju

“…Let ( G ,  w ) be a weighted graph with the adjacency matrix A . The group inverse of ( G ,  w ), denoted by ( G # , w # ) is the weighted graph with the…”
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Effect of intrinsic ZnO thickness on the performance of SnS/CdS-based thin-film solar cells by Yadav, Rahul Kumar, Pawar, Pravin S., Neerugatti, KrishnaRao Eswar, Nandi, Raju, Cho, Jae Yu, Heo, Jaeyeong

“…Tin monosulfide (SnS) has promising properties as an absorber material for thin-film solar cells (TFSCs). SnS/CdS-based TFSCs have the following device…”
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Group inverses of a class of corona networks by Nandi, Raju, Sivakumar, K. C.

“…A formula for the group inverse of trees, obtained recently, is shown to be applicable to a special class of weighted graphs G w studied here. Certain…”
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Group inverses of adjacency matrices of cycles, wheels and brooms by Sivakumar, K. C., Nandi, Raju

“…New proofs of formulae for the inverses of nonsingular adjacency matrices of cycles, and the group inverses of singular adjacency matrices of cycles, are…”
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Quadratic embedding constants of graphs: Bounds and distance spectra by Choudhury, Projesh Nath, Nandi, Raju

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Review on bandgap engineering in metal-chalcogenide absorber layer via grading: A trend in thin-film solar cells by Sharma, Indu, Pawar, Pravin S., Kumar Yadav, Rahul, Nandi, Raju, Heo, Jaeyeong

“…Bandgap engineering in p–n junction-based thin-film solar cells (TFSCs) is a fascinating research area for enhancing device performance. The present review…”
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Hydrothermal growth of Sb2S3 thin films on molybdenum for solar cell applications: Effect of post-deposition annealing by Pawar, Pravin S., Nandi, Raju, Neerugatti, KrishnaRao Eswar, Cho, Jae Yu, Heo, Jaeyeong

“…•Solution-processed (hydrothermal) growth of Sb2S3 on Mo substrate.•Assessment of structural and morphological evolution of Sb2S3 growth via…”
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A qualitative study of SnSe thin film solar cells using SCAPS 1D and comparison with experimental results: A pathway towards 22.69% efficiency by Yadav, Rahul K., Pawar, Pravin S., Nandi, Raju, Neerugatti, KrishnaRao Eswar, Kim, Yong Tae, Cho, Jae Yu, Heo, Jaeyeong

“…We simulated a tin selenide (SnSe) based solar cell device in a standard planar substrate configuration (glass/Mo/SnSe/CdS/i-ZnO/AZO/Al) using a Solar Cell…”
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CZTSSe/Zn(O,S) heterojunction solar cells with 9.82% efficiency enabled via (NH4)2S treatment of absorber layer by Jeong, Hiji, Nandi, Raju, Cho, Jae Yu, Pawar, Pravin S., Lee, Hyo Seok, Neerugatti, KrishnaRao Eswar, Kim, Jin Hyeok, Heo, Jaeyeong

“…The replacement of CdS buffer layer is desirable for the development of nontoxic, environmentally friendly kesterite thin‐film solar cells (TFSCs). Recently,…”
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Atomic-layer-deposited TiO2 and SnO2 coupled with CdS as double buffer layers for HTL-free Sb2S3 thin-film solar cells by Pawar, Pravin S., Nandi, Raju, Rao Eswar Neerugatti, Krishna, Sharma, Indu, Kumar Yadav, Rahul, Tae Kim, Yong, Yu Cho, Jae, Heo, Jaeyeong

“…•Atomic layer deposition of SnO2 and TiO2 buffer layers.•Structural and morphological study of Sb2S3 deposited on double buffer layers.•Fabrication of…”
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Atomic-layer-deposited ZnSnO buffer layers for kesterite solar cells: Impact of Zn/(Zn+Sn) ratio on device performance by Cho, Jae Yu, Jang, Jun Sung, Karade, Vijay C., Nandi, Raju, Pawar, Pravin S., Seok, Tae-Jun, Moon, Wonjin, Park, Tae Joo, Kim, Jin Hyeok, Heo, Jaeyeong

“…Atomic layer deposition (ALD) has been used to synthesize earth-abundant and non-toxic ZnSnO thin films as potential replacements for CdS buffer layers in…”
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Group inverses of matrices of simple symmetric directed graphs by Nandi, Raju

“…A new class of simple symmetric digraphs called $\mathbb{D}$ is defined and studied here. Any digraph in $\mathbb{D}$ has the property that each non-pendant is…”
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CZTSSe/Zn(O,S) heterojunction solar cells with 9.82% efficiency enabled via (NH 4 ) 2 S treatment of absorber layer by Jeong, Hiji, Nandi, Raju, Cho, Jae Yu, Pawar, Pravin S., Lee, Hyo Seok, Neerugatti, KrishnaRao Eswar, Kim, Jin Hyeok, Heo, Jaeyeong

“…The replacement of CdS buffer layer is desirable for the development of nontoxic, environmentally friendly kesterite thin‐film solar cells (TFSCs). Recently,…”
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Phase identification of vanadium oxide thin films prepared by atomic layer deposition using X-ray absorption spectroscopy by Kim, Yejin, Song, Gwang Yeom, Nandi, Raju, Cho, Jae Yu, Heo, Jaeyeong, Cho, Deok-Yong

“…The chemical and local structures of vanadium oxide (VO x ) thin films prepared by atomic layer deposition (ALD) were investigated by soft X-ray absorption…”
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Group Inverses of Weighted Trees by Nandi, Raju

“…Let $(G,w)$ be an undirected weighted graph. The group inverse of $(G,w)$ is the weighted graph with the adjacency matrix $A^{\#}$, where $A$ is the adjacency…”
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Vapor‐Transport‐Deposited Orthorhombic‐SnSe Thin Films: A Potential Cost‐Effective Absorber Material for Solar‐Cell Applications by Nandi, Raju, Pawar, Pravin S., Neerugatti, KrishnaRao Eswar, Cho, Jae Yu, Kim, Seongheon, Cho, Seong Ho, Lee, Yun Seog, Heo, Jaeyeong

“…The power‐conversion efficiencies of orthorhombic tin selenide (α‐SnSe)‐based thin‐film solar cells (TFSCs) are very low—less than 1% in most cases—due to the…”
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One-Step Vapor Transport Deposition for Tuning the Photovoltaic Performance of SnS x Se1–x Solar Cells: Analysis of the Improved V oc and J sc by Nandi, Raju, Pawar, Pravin S., Yadav, Rahul K., Neerugatti, KrishnaRao Eswar, Sharma, Indu, Kim, Yong Tae, Heo, Jaeyeong

“…Binary tin chalcogenides (SnS and SnSe) are investigated extensively for thin-film solar cells (TFSCs). The conventional sulfo-selenization of elemental Sn…”
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One-Step Vapor Transport Deposition for Tuning the Photovoltaic Performance of SnS x Se 1– x Solar Cells: Analysis of the Improved V oc and J sc by Nandi, Raju, Pawar, Pravin S., Yadav, Rahul K., Neerugatti, KrishnaRao Eswar, Sharma, Indu, Kim, Yong Tae, Heo, Jaeyeong

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Influence of the Temperature Ramping Rate on the Performance of Vapor Transport Deposited SnS Thin-Film Solar Cells by Lee, Hyo Seok, Cho, Jae Yu, Nandi, Raju, Pawar, Pravin S, Neerugatti, KrishnaRao Eswar, Mai, Cuc Thi Kim, Lee, Doh-Kwon, Heo, Jaeyeong

“…The effect of the temperature ramping rate of vapor transport deposition (VTD) on the morphology, crystallinity, and orientation of SnS-absorber layers and…”
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Quadratic embedding constants of graphs: Bounds and distance spectra by Choudhury, Projesh Nath, Nandi, Raju

“…The quadratic embedding constant (QEC) of a finite, simple, connected graph $G$ is the maximum of the quadratic form of the distance matrix of $G$ on the…”
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