U. Das

发表

Exfoliated ∼25μm Si foil for solar cells with improved light-trapping

S. Banerjee, J. Fossum, M. Hilali, 2013 .

A low cost kerfless thin crystalline Si solar cell technology

J. Fossum, A. Rohatgi, S. Banerjee, 2012, 2012 38th IEEE Photovoltaic Specialists Conference.

Effect of argon dilution on the structure of microcrystalline silicon deposited from silane

U. Das, P. Chaudhuri, S. Kshirsagar, 1996 .

Effect of RF or VHF Plasma on Nanocrystalline Silicon Thin Film Structure: Insight from OES and Langmuir Probe Measurements

S. Hegedus, U. Das, R. Birkmire, 2013 .

Deposition of thin film silicon using the pulsed PECVD and HWCVD techniques

Ujjwal Das, Arun Madan, Scott Morrison, 2003 .

Effect of junction interface modification of silicon heterojunction solar cells

S. Hegedus, J. Rand, U. Das, 2010, 2010 35th IEEE Photovoltaic Specialists Conference.

Optimization of interdigitated back contact silicon heterojunction solar cells: tailoring hetero‐interface band structures while maintaining surface passivation

S. Hegedus, U. Das, R. Birkmire, 2011 .

Surface passivation and heterojunction cells on Si (100) and (111) wafers using dc and rf plasma deposited Si:H thin films

U. Das, R. Birkmire, S. Bowden, 2008 .

Investigation of hetero-interface and junction properties in silicon heterojunction solar cells

S. Hegedus, J. Rand, U. Das, 2010, 2010 35th IEEE Photovoltaic Specialists Conference.

Effect of Main vs Ancillary Ligand Substitution on the Photophysical Properties of a Series of Ir(III) Complexes: A Detailed Theoretical Investigation.

Snehasish Banerjee, U. Das, P. Gayen, 2020, The journal of physical chemistry. A.

Nanostructures and defects in silicon–hydrogen alloys prepared by argon dilution

J. Rath, U. Das, P. Chaudhuri, 2000 .

Electroluminescence Characterization of Recombination in Back Junction Silicon Heterojunction Test Structures: Role of the Inversion Layer

Nuha Ahmed, S. Hegedus, U. Das, 2020, IEEE Journal of Photovoltaics.

a-Si / cSi Heterojunction for Interdigitated Back Contact Solar Cell

U. Das, R. Birkmire, S. Bowden, 2007 .

Stability of amorphous/crystalline silicon heterojunctions

U. Das, R. Birkmire, S. Bowden, 2008, 2008 33rd IEEE Photovoltaic Specialists Conference.

[Rear surface passivation of interdigitated back contact silicon heterojunction solar cell and 2D simulation study

U. Das, R. Birkmire, S. Bowden, 2008, 2008 33rd IEEE Photovoltaic Specialists Conference.

Effect of Process Parameter Variation in Deposited Emitter and Buffer Layers on the Performance of Silicon Heterojunction Solar Cells

S. Hegedus, U. Das, R. Birkmire, 2006, 2006 IEEE 4th World Conference on Photovoltaic Energy Conference.

Optimizing emitter-buffer layer stack thickness for p-type silicon heterojunction solar cells

Ujjwal Das, Zeynep Deniz Eygi, Steven S. Hegedus, 2013 .

Characterization and modeling of low temperature surface passivation for interdigitated back contact silicon hetero-junction solar cell

S. Hegedus, U. Das, R. Birkmire, 2012, 2012 38th IEEE Photovoltaic Specialists Conference.

The growth of methylammonium lead iodide perovskites by close space vapor transport

B. Ogunnaike, W. Shafarman, U. Das, 2020, RSC advances.

Nanosecond Pulsed Laser Patterning of Interdigitated Back Contact Heterojunction Silicon Solar Cells

Mool C. Gupta, S. Hegedus, U. Das, 2020, IEEE Journal of Photovoltaics.

a-Si:H/c-Si interface hydrogenation for implied Voc = 755 mV in Silicon heterojunction solar cell

S. Hegedus, U. Das, Tingyi Gu, 2019, 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC).

Analysis of silicon wafer surface preparation for heterojunction solar cells using X-ray photoelectron spectroscopy and effective minority carrier lifetime

S. Hegedus, T. Beebe, U. Das, 2018, Solar Energy Materials and Solar Cells.

Processing Approaches and Challenges of Interdigitated Back Contact Si Solar Cells

S. Hegedus, U. Das, Lei Zhang, 2017 .

Direct Laser Isolation For Interdigitated Back Contact Heterojunction Solar Cells

Mool C. Gupta, Nuha Ahmed, S. Hegedus, 2018, 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC).

Experimental and simulated analysis of p a-Si:H defects on silicon heterojunction solar cells: trade-offs between VOC and FF

S. Hegedus, U. Das, R. Birkmire, 2015, 2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC).

Iridium-mediated C-S bond activation and transformation: organoiridium(III) thioether, thiolato, sulfinato and thiyl radical compounds. Synthesis, mechanistic, spectral, electrochemical and theoretical aspects.

U. Das, Sima Roy, S. Pramanik, 2015, Dalton transactions.

Electroluminescence analysis for spatial characterization of parasitic optical losses in silicon heterojunction solar cells

Nuha Ahmed, S. Hegedus, U. Das, 2018 .

Wafer integrated microscale concentrating photovoltaics

Scott M. Paap, G. Keeler, W. Sweatt, 2017 .

Correlation of Nanostructural Heterogeneity and Light Induced Degradation in a-Si:H Solar Cells

J. Rath, U. Das, P. Chaudhuri, 2000 .

Fast hydrogen diffusion in hydrogenated amorphous silicon observed by in situ ESR

S. Yamasaki, T. Yasuda, U. Das, 2002 .

Low temperature front surface passivation of interdigitated back contact silicon heterojunction solar cell

S. Hegedus, U. Das, O. Jani, 2009, 2009 34th IEEE Photovoltaic Specialists Conference (PVSC).

Role of hydrogen bonding environment in a-Si:H films for c-Si surface passivation

R. Opila, U. Das, S. Wolf, 2008 .

Improved Passivation of a-Si:H / c-Si Interfaces Through Film Restructuring

R. Opila, S. Hegedus, U. Das, 2008 .

Optimization of interdigitated back contact silicon heterojunction solar cells by two-dimensional numerical simulation

S. Hegedus, U. Das, R. Birkmire, 2009, 2009 34th IEEE Photovoltaic Specialists Conference (PVSC).

Interdigitated Back Contact Silicon Heterojunction (IBC-SHJ) Solar Cell

U. Das, R. Birkmire, S. Bowden, 2007 .

Carrier Lifetime as a Developmental and Diagnostic Tool in Silicon Heterojunction Solar Cells

S. Hegedus, U. Das, R. Birkmire, 2006, 2006 IEEE 4th World Conference on Photovoltaic Energy Conference.

Stability of Silicon Heterojunction solar cells having hydrogen plasma treated intrinsic layer

S. Hegedus, S. Johnston, U. Das, 2022, 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC).

Surface Defect Passivation and Reaction of c-Si in H2S.

U. Das, R. Birkmire, Hsiang-Yu Liu, 2017, Langmuir : the ACS journal of surfaces and colloids.

Platinum Group Metals Bonded Thiolato Sulfur Oxygenation: Photoactivity and Bioactivity

U. Das, 2022, Asian Journal of Chemistry.

Direct observation of surface dangling bonds during plasma process: chemical reactions during H2 and Ar plasma treatments

S. Yamasaki, U. Das, K. Ishikawa, 2002 .

Optical emission spectroscopic study of a radio-frequency plasma of Ar+SiH4

U. Das, P. Chaudhuri, 1998 .

Effect of texturing and surface preparation on lifetime and cell performance in heterojunction silicon solar cells

U. Das, S. Bowden, M. Burrows, 2008 .

Interdigitated Back Contact (IBC) Heterojunction (HJ) Si Solar Cell Fabrication by Laser Patterning

S. Hegedus, U. Das, A. Soman, 2020, 2020 47th IEEE Photovoltaic Specialists Conference (PVSC).

Single heterojunction solar cells on exfoliated flexible ∼25 μm thick mono-crystalline silicon substrates

S. Banerjee, B. Sopori, M. Hilali, 2013 .

Two-Step Close-Space Vapor Transport of MAPbI3 Solar Cells: Effects of Electron Transport Layers and Residual PbI2

W. Shafarman, U. Das, B. McCandless, 2022, ACS Applied Energy Materials.

The Role of Oxygen Exposure on the Performance of All-Vapor-Processed Perovskite Solar Cells with CuPC Hole Transport Layers

W. Shafarman, U. Das, B. McCandless, 2021, 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC).

Wafer integrated micro‐scale concentrating photovoltaics

Tian Gu, Juejun Hu, Duanhui Li, 2018, Progress in Photovoltaics: Research and Applications.

Direct Laser Patterned Electroplated Copper Contacts for Interdigitated Back Contact Silicon Solar Cells

S. Hegedus, U. Das, Zemin Sun, 2019, 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC).

Enhanced boron doping in amorphous and microcrystalline silicon by Ar dilution

T. K. Bhattacharyya, U. Das, P. Chaudhuri, 1997 .

Interdigitated back contact silicon heterojunction solar cell and the effect of front surface passivation

Ujjwal Das, Robert W. Birkmire, U. Das, 2007 .

Fast In-diffusion of Hydrogen at the Initial Stage of Hydrogen Plasma Treatment on a-Si:H Films Observed by In-situ ESR Measurements

S. Yamasaki, T. Yasuda, U. Das, 2000 .

Alternative approaches for low temperature front surface passivation of interdigitated back contact silicon heterojunction solar cell

S. Hegedus, U. Das, R. Birkmire, 2010, 2010 35th IEEE Photovoltaic Specialists Conference.

Thin film silicon materials and solar cells grown by pulsed PECVD technique

E. Centurioni, U. Das, Arun Madan, 2003 .

Modified pulsed PECVD technique for nano-crystalline silicon solar cells: an effect of i-layer growth temperature

E. Centurioni, U. Das, S. Morrison, 2003, 3rd World Conference onPhotovoltaic Energy Conversion, 2003. Proceedings of.

Deposition of microcrystalline silicon solar cells via the pulsed PECVD technique

U. Das, Arun Madan, S. Morrison, 2002 .

DEPOSITION OF THIN FILM SILICON USING THE PULSED PECVD AND HWCVD TECHNIQUES

U. Das, Arun Madan, S. Morrison, 2002 .

Interface Engineering by Intermediate Hydrogen Plasma Treatment Using Dc-PECVD for Silicon Heterojunction Solar Cells

S. Hegedus, U. Das, A. Soman, 2023, ACS Applied Electronic Materials.

Role of back-side indium tin oxide on the degradation mechanism of silicon heterojunction solar cells

S. Hegedus, U. Das, A. Soman, 2022, 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC).

Study of Passivation in the Gap Region Between Contacts of Interdigitated-Back-Contact Silicon Heterojunction Solar Cells: Simulation and Voltage-Modulated Laser-Beam-Induced-Current

S. Hegedus, C. Thompson, U. Das, 2018, IEEE Journal of Photovoltaics.