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K. S. Narayan
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Journal Articles

Tailoring dynamics of thermally activated delayed fluorescence molecules embedded in cavity by forming coupling-induced hybrid states

Sinay Simanta Behera, Anaranya Ghorai, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 126, 021103 (2025)
https://doi.org/10.1063/5.0236301
Published: January 2025
View article titled, Tailoring dynamics of thermally activated delayed fluorescence molecules embedded in cavity by forming coupling-induced hybrid states
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Journal Articles

Investigations on artificially extending the spectral range of natural vision

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Abhijith Krishnan, C. S. Deepak, K. S. Narayan
Journal: APL Bioengineering
APL Bioeng. 7, 046105 (2023)
https://doi.org/10.1063/5.0156463
Published: October 2023
View article titled, Investigations on artificially extending the spectral range of natural vision
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Journal Articles

Probing charge carrier and triplet dynamics in TADF-based OLEDs using transient electroluminescence studies

Anaranya Ghorai, Sinay Simanta Behera, Sumukh Purohit, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 203301 (2023)
https://doi.org/10.1063/5.0141772
Published: May 2023
View article titled, Probing charge carrier and triplet dynamics in TADF-based OLEDs using transient electroluminescence studies
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Includes: Supplementary data
Journal Articles

Insights into the charge carrier dynamics in perovskite/Si tandem solar cells using transient photocurrent spectroscopy

Anaranya Ghorai, Prashant Kumar, Suhas Mahesh, Yen-Hung Lin, Henry J. Snaith, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 120, 173504 (2022)
https://doi.org/10.1063/5.0080109
Published: April 2022
View article titled, Insights into the charge carrier dynamics in perovskite/Si tandem solar cells using transient photocurrent spectroscopy
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Includes: Supplementary data
Journal Articles

Enhanced device performance via interfacial engineering in non-fullerene acceptor based organic solar cells

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Abdul Azeez, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 117, 043302 (2020)
https://doi.org/10.1063/5.0018892
Published: July 2020
View article titled, Enhanced device performance via interfacial engineering in non-fullerene acceptor based organic solar cells
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Includes: Supplementary data
Journal Articles

Toward reliable high performing organic solar cells: Molecules, processing, and monitoring

Raaghesh Vijayan, Abdul Azeez, K. S. Narayan
Journal: APL Materials
APL Mater. 8, 040908 (2020)
https://doi.org/10.1063/5.0002979
Published: April 2020
View article titled, Toward reliable high performing organic solar cells: Molecules, processing, and monitoring
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Journal Articles

Understanding the adhesion and optical properties of eutectic metal alloys for solution-processed electronics

Prashant Kumar, Shantanu Aggarwal, Chandrabhas Narayana, K. S. Narayan
Journal: Journal of Applied Physics
J. Appl. Phys. 123, 083104 (2018)
https://doi.org/10.1063/1.5011464
Published: February 2018
View article titled, Understanding the adhesion and optical properties of eutectic metal alloys for solution-processed electronics
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Includes: Supplementary data
Journal Articles

Image pixel device using integrated organic electronic components

K. Swathi, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 109, 193302 (2016)
https://doi.org/10.1063/1.4967505
Published: November 2016
View article titled, Image pixel device using integrated organic electronic components
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Includes: Supplementary data
Journal Articles

Noise spectroscopy of polymer transistors

Rishav Harsh, K. S. Narayan
Journal: Journal of Applied Physics
J. Appl. Phys. 118, 205502 (2015)
https://doi.org/10.1063/1.4936197
Published: November 2015
View article titled, Noise spectroscopy of polymer transistors
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Includes: Supplementary data
Journal Articles

Interface engineering for efficient fullerene-free organic solar cells

Ravichandran Shivanna, Sridhar Rajaram, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 123301 (2015)
https://doi.org/10.1063/1.4916216
Published: March 2015
View article titled, Interface engineering for efficient fullerene-free organic solar cells
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Includes: Supplementary data
Journal Articles

Large photoresponse of Cu:7,7,8,8-tetracyanoquinodimethane nanowire arrays formed as aligned nanobridges

Rabaya Basori, K. Das, Prashant Kumar, K. S. Narayan, A. K. Raychaudhuri
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 061111 (2013)
https://doi.org/10.1063/1.4792470
Published: February 2013
View article titled, Large photoresponse of Cu:7,7,8,8-tetracyanoquinodimethane nanowire arrays formed as aligned nanobridges
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Includes: Supplementary data
Journal Articles

Fluctuations in photocurrent of bulk heterojunction polymer solar cells—A valuable tool to understand microscopic and degradation processes

Monojit Bag, N. S. Vidhyadhiraja, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 043903 (2012)
https://doi.org/10.1063/1.4738985
Published: July 2012
View article titled, Fluctuations in photocurrent of bulk heterojunction polymer solar cells—A valuable tool to understand microscopic and degradation processes
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Includes: Supplementary data
Journal Articles

Rationalization of donor-acceptor ratio in bulk heterojunction solar cells using lateral photocurrent studies

Sabyasachi Mukhopadhyay, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 100, 163302 (2012)
https://doi.org/10.1063/1.4704654
Published: April 2012
View article titled, Rationalization of donor-acceptor ratio in bulk heterojunction solar cells using lateral photocurrent studies
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Includes: Supplementary data
Journal Articles

Three-dimensional microlasers based on polymer fibers fabricated by electrospinning

Anshuman J. Das, Clément Lafargue, Mélanie Lebental, Joseph Zyss, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 263303 (2011)
https://doi.org/10.1063/1.3672223
Published: December 2011
View article titled, Three-dimensional microlasers based on polymer fibers fabricated by electrospinning
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Includes: Supplementary data
Journal Articles

In situ studies of strain dependent transport properties of conducting polymers on elastomeric substrates

Venugopalan Vijay, Arun D. Rao, K. S. Narayan
Journal: Journal of Applied Physics
J. Appl. Phys. 109, 084525 (2011)
https://doi.org/10.1063/1.3580514
Published: April 2011
View article titled, <em>In situ</em> studies of strain dependent transport properties of conducting polymers on elastomeric substrates
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Journal Articles

Characteristic noise features in light transmission across membrane protein undergoing photocycle

Anshuman. J. Das, Sabyasachi Mukhopadhyay, K. S. Narayan
Journal: The Journal of Chemical Physics
J. Chem. Phys. 134, 075101 (2011)
https://doi.org/10.1063/1.3554745
Published: February 2011
View article titled, Characteristic noise features in light transmission across membrane protein undergoing photocycle
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Includes: Supplementary data
Journal Articles

Studies of charge transfer processes across donor-acceptor interface using a field effect transistor geometry

Manohar Rao, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 95, 183306 (2009)
https://doi.org/10.1063/1.3259629
Published: November 2009
View article titled, Studies of charge transfer processes across donor-acceptor interface using a field effect transistor geometry
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Includes: Supplementary data
Journal Articles

Area dependent efficiency of organic solar cells

Dhritiman Gupta, Monojit Bag, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 163301 (2008)
https://doi.org/10.1063/1.2998540
Published: October 2008
View article titled, Area dependent efficiency of organic solar cells
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Includes: Supplementary data
Journal Articles

Evaluation of electrode-semiconductor barrier in transparent top-contact polymer field effect transistors

Manohar Rao, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 92, 223308 (2008)
https://doi.org/10.1063/1.2938059
Published: June 2008
View article titled, Evaluation of electrode-semiconductor barrier in transparent top-contact polymer field effect transistors
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Journal Articles

Correlating reduced fill factor in polymer solar cells to contact effects

Dhritiman Gupta, Monojit Bag, K. S. Narayan
Journal: Applied Physics Letters
Appl. Phys. Lett. 92, 093301 (2008)
https://doi.org/10.1063/1.2841062
Published: March 2008
View article titled, Correlating reduced fill factor in polymer solar cells to contact effects
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Includes: Supplementary data