Publications
in Refereed International Journals
2022
[1].
Thermal
stability analysis of molybdenum-based carrier-selective solar cells
Mrutyunjay Nayak and Vamsi K Komarala
IEEE Transactions on Electron Devices 69 (2022) 3251
[2].
Effect
of gas flow rate in PECVD of amorphous silicon thin films for interface
passivation of silicon heterojunction solar cells
Ashutosh Pandey, Shrestha Bhattacharya, Jagannath
Panigrahi, Sourav Mandal Vamsi K Komarala
Physica Status Solidi A (2022) published online doi.org/10.1002/pssa.202200183
2021
[3].
Progress
on the intrinsic a-Si:H films for interface
passivation of silicon heterojunction solar cells:A review
Jagannath Panigrahi and Vamsi K Komarala
Journal of Non-crystalline
Solids 574 (2021) 121166
[4].
Numerical
simulations of carrier-selective contact silicon solar cells: Role of carrier
selective layers electronic properties
Krishna Singh, Deepak K Singh and Vamsi
K Komarala
Journal of Computational Electronics 20 (2021) 1815
[5].
Effective
suppression of nanotextured black silicon surface
recombination channels by aluminum oxide: comparison from sputtered and ALD
grown films
Piyush K. Parashar, S. A.
Kinnunen, T. Sajavaara, J. Jussi Toppari, and Vamsi K. Komarala
Semiconductor Science and Technology Online
[6].
Nanocrystalline silicon thin film growth and application for silicon
heterojunction solar cells: A short review
Mansi Sharma, Jagannath Panigrahi and Vamsi K Komarala
Nanoscale Advances 3 (2021) 3373
[7].
Degradation
study of carrier-selective contact silicon solar cells with ageing: Role of
silicon surface morphology
Krishna Singh, Mrutyunjay Nayak, Deepak K Singh and Vamsi K
Komarala
Solid-State Electronics 179
(2021) 107987
[8].
Carrier
transport mechanisms of Nickel Oxide based carrier selective silicon
heterojunction solar cells: Role of SiOx passivation
layer
Sapna Mudgal, Mrutyunjay
Nayak, Sonpal Singh and Vamsi K Komarala
Solid State Communications 334-335
(2021) 114391
[9].
Investigation
of optoelectronic properties indium oxide thin films with hydrogen and oxygen
gas concentration variation during sputtering
Sourav Mandal, Ashutosh Pandy and Vamsi K Komarala
Materials Science in
Semiconductor Processing 123
(2021) 105576
2020
[10].
Investigation
of silicon surface passivation by sputtered amorphous silicon and thermally
evaporated by molybdenum oxide films using temperature- and injection-dependent
lifetime spectroscopy
Krishna Singh, Mrutyunjay Nayak, Sonapl Singh and Vamsi K Komarala
Semiconductor Science and
Technology 35 (2020)
125017.
[11].
Analysis
of process-dependent electrical properties of silicon heterojunction solar
cells by Quantum Efficiency and temperature-depedent
current density-voltage measurements
S. Mudgal, S. P. Singh and V K Komarala
Physica Status Solidi A 217 (2020) 1900782.
[12].
Investigation
of anomalous behavior in J-V and Suns-Voc
characteristics of carrier-selective contact silicon solar cells
M. Nayak, S. Mudgal, S. P. Singh and V K Komarala
Solar Energy 201 (2020) 307.
2019
[13].
Nickel
oxide hole-selective heterocontact for silicon solar
cells: Role of SiOx interlayer on device
performance
M. Nayak, S. Mandal, A.
Pandey, S. Mudgal, S. P. Singh and V. K. Komarala
Solar Rapid
Research Letters 3 (2019) 1900261.
[14].
Sputter
deposited sub-stoichiometric MoOx thin film as
hole-selective contact layer for silicon-based heterojunction devices
Piyush K. Parashar and Vamsi K.
Komarala
Thin Solid
Films 682
(2019) 76.
[15].
Effect
of textured silicon pyramids size and chemical polishing on the performance of
carrier-selective contact heterojunction solar cells
K. Singh, M. Nayak, S. Mudgal, S. P. Singh and V K Komarala
Solar Energy 183 (2019) 469.
[16].
Carrier-selective
based silicon solar cells processed at room temperature using industrially
feasible Cz wafers
M. Nayak, K. Singh, S. Mudgal, S. Mandal, S. P. Singh and V K Komarala
Physica Status Solidi A 216 (2019) 1900208.
[Article appeared under Hot Topic:
Solar cells; as original paper on Wiley Online Library website: doi/toc/10.1002/(ISSN)1614-6840.hottopic-solarcells]
[17].
Thermal
atomic layer deposition of AlOxNy
thin films for surface passivation of nano-textured
flexible silicon
Piyush K. Parashar, S. A.
Kinnunen, T. Sajavaara, J. Jussi Toppari, and Vamsi K. Komarala
Solar Energy Materials and Solar
Cells 193
(2019) 231.
2018
[18].
Investigation of electrical parameters of
amorphous-crystalline silicon heterojunction silicon solar cell: Correlation
between carrier dynamics and S-shape of current density-voltage curve
S. Mudgal,
S P Singh and V K Komarala
IEEE Journal of Photovoltaics 8 (2018) 909
[19].
Enhancement of Y123 dye-sensitized solar
cells performance using plasmonic gold nanorods
P S Chandrasekhar, P K Parashar,
S K Swami, V Dutta and V K Komarala
Physical Chemistry Chemical Physics 20 (2018) 9651
[20].
Higher efficiency perovskite solar cells
using Au@SiO2 core-shell nanoparticles
P S
Chandrasekhar, A Dubey, K M
Reza, M D N Hasan, B Bahrami V K Komarala
J D Hoefelmeyer et al.,
Sustainable Energy and Fuels 2 (2018) 2260.
[21].
Effect of light incident angle on Fano resonance loss mediation in silver nanoparticles
integrated thin silicon wafers
P K Parashar,
S K Sardana and V K Komarala
Plasmonics 13
(2018) 1577.
2017
[22].
Engineered optical properties of
silver-aluminium alloy nanoparticles embedded in SiON
matrix for maximizing light confinement in plasmonic
silicon solar cells
P K Parashar and V K Komarala
Scientific
Reports 7 (2017) 12520.
[23].
Fabrication and characterization of dye-sensitized
solar cells: A photographic guide
N Chander
and V K Komarala
Indian Journal of Pure and Applied Physics 55
(2017) 737.
[24].
Graphene/ZnO
nanocomposite as an electron transport layer for perovskite solar cells: the
effect of graphene concentration on photovoltaic performance
P S Chandrasekhar and V K Komarala
RSC Advances 7 (2017) 28610
[25].
Plasmonic
perovskite solar cells utilizing Au@SiO2 core-shell nanoparticles
N K Pathak, N Chander, V K Komarala and R P
Sharma
Plasmonics 12
(2017) 237
[26].
Plasmonic
silver nanowires for higher efficiency dye-sensitized solar cells
P S Chandrasekhar, H Elbohy,
B Vaggensmith, A Dubey, K M Reza, V K Komarala and Q Qiao
Materials
Today Energy 5 (2017) 237.
[27].
Efficiency enhancement of silicon solar cells
with vertically aligned ZnO nanorod
arrays as an antireflection layer
S K Sardana,
P S Chandrasekhar, R Kumar and V K Komarala
Japanese Journal of Applied Physics 56 (2017) 040305
In 2016
[28].
Double-layer antireflection from silver
nanoparticle integrated SiO2 layer on silicon wafer: effect of nanoparticle
morphology and SiO2 film thickness
P K Parashar,
R P Sharma and V K Komarala
Journal of Physics D: Applied Physics 50 (2016) 035105
[29].
Plasmonic
silicon solar cell comprised of aluminium nanoparticles: Effects of
nanoparticle’s self-limiting native oxide shell on optical and electrical
properties
P K Parashar,
R P Sharma and V K Komarala
Journal of Applied Physics 120 (2016) 143104.
[30].
Role of textured silicon surface in plasmonic light trapping for solar cells: the effect of
pyramids width and height
E Thouti,
A K Sharma and V K Komarala
IEEE Journal of Photovoltaics
6 (2016) 1403.
[31].
Investigation of parasitic absorption and
charge carrier recombination losses in plasmonic
silicon solar cells using quantum efficiency and impedance spectroscopy
E Thouti
and V K Komarala
Solar Energy 132 (2016) 143.
[32].
Optical properties of hybrid plasmonic structure on silicon using transparent
conducting-silver nanoparticles-silicon dioxide layers: the role of conducting
oxide layer thickness in antireflection
S K Sardana
and V K Komarala
Journal of Optics 18 (2016) 075004
[33].
Influence of SiO2 spacer layer on
performance of plasmonic textured silicon solar cell
S K Sardana
and V K Komarala
Plasmonics 11 (2016) 1549
[34].
Fabrication of perovskite films using an
electrostatic assisted spray technique: the effect of electric field on
morphology, crystallinity and solar cell performance
P S Chandrasekhar, N Kumar,
S K Swami, V Dutta and V K Komarala
Nanoscale 8 (2016) 6792.
[35].
Enhancement
of dye-sensitized solar cell efficiency via incorporation of upconverting nanoparticles as spectral converters
N Chander, A F
Khan, V K Komarala, S Chawla and V Dutta
Progress
in Photovoltaics: Research and Applications 24 (2016) 692.
[36].
Enhancement of minority carrier lifetimes in n- and p-type silicon
wafers using silver nanoparticle layers
E
Thouti, S Kumar and V K Komarala
Journal of Physics D: Applied
Physics 49
(2016) 015302.
In 2015
[37].
Effect
of graphene and Au@SiO2 core-shell nano-composite on
photoelectrical performance of dye-sensitized solar cells based on N-doped titania nanotubes
P S Chandrasekhar and V K Komarala
RSC Advances 5 (2015) 84423
[38].
Plasmonic effect of Ag@TiO2 nanotubes on dye-sensitized
solar cell performance based on reduced grapheme oxide-TiO2 nanotube composite
P S Chandrasekhar, N Chander,
O Anjaneyulu and V K Komarala
Thin
Solid Films 594 (2015) 45.
[39].
Improving
the short-wavelength spectral response of silicon solar cells by spray
deposition of YVO4:Eu3+ down-shifting phosphor
nanoparticles
N Chander, S K Sardana, P K Parashar, A F Khan,
S Chawla, V K Komarala
IEEE
Journal of Photovoltaics 5
(2015) 1373.
[40].
Improved
stability and enhanced efficiency of dye-sensitized solar cells by using
europium doped yttrium vanadate down-shifting nanophosphor
N Chander, A F
Khan and V K Komarala
RSC Advances 5 (2015) 66057
[41].
Morphology
and optical properties of sputter deposited silver nanoparticles on plain,
textured and antireflection layer coated textured silicon
S K Sardana, V S
N Chava and V K Komarala
Applied
Surface Science 347 (2015)
651.
[42].
Optical Properties of Silver Nanoparticles
Integrated Graphene Oxide Thin Films on Glass and Silicon Substrates
E Thouti, V Kumar, P
K Parashar, G B Reddy, R Pasricha,
V K Komarala
Plasmonics, 10
(2015) 1063.
In 2014
[43].
Size and concentration effects of gold
nanoparticles on optical and electrical properties of plasmonic
dye-sensitized solar cells
N
Chander, A F Khan, E Thouti,
P S Chandrasekhar, V Dutta and V K Komarala
Solar Energy 109 (2014) 11.
[44].
Solid state plasmonic
dye-sensitized solar cells based on solution-processed perovskite CsSnI3
as the hole transporter
N Chander, P S
Chandrasekhar and V K Komarala
RSC Advances 4 (2014) 55658.
[45].
Internal quantum efficiency analysis of plasmonic textured silicon solar cells: surface plasmon resonance and off-resonance effects
E Thouti, A K
Sharma, S K Sardana and V K Komarala
Journal
of Physics D: Applied Physics 47 (2014) 425101.
Renewable
Energy Innovation highlighted as a futuristic article in solar cells area;
website http://reginnovations.org/category/solar-cells/
[46].
Photocurrent enhancement by surface plasmon
resonance of gold nanoparticles in spray deposited large area dye-sensitized
solar cells
N Chander, P Singh, A F Khan, V Dutta and V K Komarala
Thin
Solid Films
568 (2014) 74.
[47].
Reduced ultraviolet light-induced degradation and enhanced
light harvesting using YVO4: Eu3+ down-shifting nano-phosphor
layer in organometal halide perovskite solar cells
N
Chander, A F Khan, P S Chandrasekhar, E Thouti, V Dutta and V K Komarala,
Applied Physics Letters 105 (2014) 033904.
Most accessed/read article in
energy conversion and storage area, highlighted in journal website and made it
available for free
[48].
Influence
of surface plasmon resonances’
of silver nanoparticles on optical and electrical properties of textured
silicon solar cell
S K Sardana,
V S N Chava, E Thouti,
N Chander, S Kumar and V K Komarala
Applied
Physics Letters 104 (2014)
073903.
[49].
In-situ
synthesis of Au-CdS plasmonic
photocatalyst by continuous spray pyrolysis and its
visible light photocatalysis
N Kumar, V K Komarala
and V Dutta
Chemical
Engineering Journal 236
(2014) 66.
In 2013
[50].
Optical
properties of Ag nanoparticles deposited on silicon substrate
Eshwar Thouti, Nikhil Chander, Viresh Dutta and
Komarala Vamsi K
Journal
of Optics 15 (2013) 035005
Most read article, downloaded 5,480
times & highlighted in Editorial news
Rated 3rd
best paper published in the year 2013 by the Journal of Optics *
*M Howland &
J McKenna, “2015 JOPT research excellence award” J. Opt. 17 (2015) 100201.
In 2012
[51].
Deposition
of gold nanoparticle films using spray pyrolysis technique: Tunability
of SPR band by electric field
N. Kumar, V K Komarala
and V Dutta
Physica Status Solidi, Rapid Research Letters
6 (2012) 406.
[52].
Time-resolved photoluminescence properties of
CuInS2/ZnS nanocrystals:
Influence of intrinsic defects and external impurities
V K Komarala, C Xie, Y Wang, J Xu and M Xiao
Journal of Applied Physics 111 (2012) 124314.
In 2011
[53].
Radiative power of a
dipole in the proximity of a dielectric interface: a case study of a
quantum-dot exciton transition dipole
V K Komarala and M Xiao
Semiconductor
Science and Technology 26
(2011) 075007.
From 2003 to 2010
[54].
Nonlinear
optical properties of Er3+/Yb3+-doped NaYF4
nanocrystals
V K Komarala, Y Wang and M Xiao
Chemical Physics Letters 490 (2010) 189.
V K Komarala, W H Guo and M Xiao
Journal of Applied Physics 107 (2010) 014309.
[56].
Controlling
fluorescence intermittency of a single colloidal CdSe/ZnS quantum dot in a half cavity
Y Zhang, V K Komarala,
C Rodriguez and M Xiao
Physics Review B (Rapid Communication) 78 (2008) 241301.
[57].
Surface plasmon
enhanced Förster resonance energy transfer between
the CdTe quantum dots
V K Komarala, A L Bradley, Y P Rakovich, S J Byrne Y K Gunko, A L Rogach
Applied Physics Letters 93 (2008) 123102.
[58].
Off-resonance surface plasmon enhanced spontaneous emission from CdTe quantum dots
V K Komarala Y P Rakovich A
L Bradley Y K Gunko, N Gaponik, A Eychmuller
Applied Physics Letters 89 (2006) 253118.
[59].
Emission
properties of colloidal quantum dots on polyelectrolyte multilayers
V K Komarala, Y P Rakovich,
A L
Bradley, S J Byrne S A Corr
and Y K Gunko
Nanotechnology
17 (2006) 4117.
[60].
Growth of
cubic and hexagonal CdTe thin films by pulsed laser
deposition
S K Pandey, U Tiwari, R Raman, K V Krishna, V Dutta and K Zimik
Thin Solid
Films 473 (2005) 54.
[61].
Effect of
in situ CdCl2 treatment on spray deposited CdTe/CdS heterostructure
K Vamsi Krishna and V Dutta,
Journal of Applied Physics 96 (2004)3962.
[62].
In-situ
CdCl2-treated CdTe film surface analysis by X-ray
photoelectron spectroscopy
K Vamsi Krishna and V Dutta,
Physica Status Solidi (a) 201 (2004) 2076.
K Vamsi Krishna and V Dutta,
Thin Solid Films 450 (2004) 255.
[64].
Effect of
electric field on spray deposited CdTe thin films
K Vamsi Krishna, V Dutta and P D Paulson,
Thin Solid Films 444 (2003) 17.
K Vamsi Krishna and V Dutta
Solar Energy Materials & Solar Cells 80 (2003) 247.
[66].
Effect of
in-situ CdCl2 treatment on spray deposited CdTe
films: Photoluminescence study
K Vamsi Krishna and V Dutta
Physica Status Solidi (a) 198 (2003) 443.
Publications
in Conference Proceedings
[1].
Nickel oxide based hole selective contact
silicon heterojunction solar cells
M.
Nayak, A. Pandey, S. Mandal and
V. K. Komarala
11th
International Conference on Crystalline Silicon Photovotlaics
(Online)
American
Institute of Physics Conference Proceedings (Nov. 2021)
[2].
Electrical characterization and defect states
analysis of Ag/ITO/MoOx/n-SI/LiFx/Al
carrier-selective contact silicon solar cells processed at room-temperature
M. Nayak, S. Mudgal, S. Mandal, S. Singh and V. K. Komarala
9th International Conference on Crystalline Silicon Photovotlaics (in Leuven, Belgium)
American Institute of Physics Conference Proceedings 2147
(2019) 040014
[3].
Study of anomalous S-shape in current
density-voltage characteristics of carrier-selective contact molybdenum oxide
and amorphous silicon based heterojunction silicon solar cells
S.
Mudgal, M. Nayak, S. Singh
and V. K. Komarala
9th International Conference on Crystalline Silicon Photovotlaics (in Leuven, Belgium)
American
Institute of Physics Conference Proceedings 2147 (2019) 020009
[4].
Characterization of sputtered a-Si:H passivated silicon surface by temperature- and
injection-dependent lifetime spectroscopy
K.
Singh, S. Mandal, S. Singh and V. K. Komarala
9th International Conference on Crystalline Silicon Photovotlaics (in Leuven, Belgium)
American
Institute of Physics Conference Proceedings 2147 (2019) 020014
[5].
Growth of silver nanoparticles on titanium
dioxides layer for plasmonic-based solid-state solar
cells
S K Sardana,
P K Parashar, P S Chandrashekar,
S K Srivastava, V K Komarala
AIP Conference Proceedings 2115 (2019) 030626.
[6].
Interfacial
spectral response under voltage and light bias to analyse
low voltage in amorphous-crystalline silicon heterojunction solar cell with
S-shape characteristics
Sapna Mudgal,
Sonpal Singh and Vamsi
Krishna Komarala
7th World Conf. on Photovoltaic
Energy Conversion (Waikoloa, HI, USA), 2018, 2158-2161.
[7].
Tunable plasmonic properties from Ag-Au alloy nanoparticles film
S.
K. Sardana, S. K. Srivastava and V K Komarala
International Workshop on Physics of the Semiconductor and Devices
(2017) 415
[8].
Mediating broad band light trapping in
silicon solar cell by aluminium nanoparticles with native oxide shell
P K Parashar,
R P Sharma and V K Komarala
Materials Today: Proceedings 4 (2017) 12708.
[9].
ZnO nanorods as antireflective coatings on silicon wafers
S K Sardana,
R Kumar, P S Chandrasekhar and V K Komarala
American Institute of Physics Conference Proceedings
1832 (2017) 050140
[10].
Enhanced
Forster resonance energy transfer between the CdTe
quantum dots in proximity to gold nanoparticles
V K Komarala, A L Bradley, Y P Rakovich, S J
Byrne Y K Gunko,
A L Rogach
The International
Society for Optical Engineering (SPIE) 6641 (2007) 66410Y.
[11].
Interaction of surface plasmons with CdTe quantum dot excitons
K K Vamsi, Yu. P. Rakovich, A. L. Bradley, et al.,
The International
Society for Optical Engineering (SPIE) 5955 (2005) 59550L.
[12].
Spray
deposition of CdS thin films using a nanoparticle ink
precursor
V Dutta, K V Krishna and L Roy
The International
Society for Optical Engineering (SPIE) 4746 II, (2002) 1072-1074