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ResearcherID: A-7053-2019
Scopus Author ID: 55354185800

Keywords

Fullerene-free organic photovoltaics, Ultrafast transient absorption spectroscopy, Photoconducting Near-field scanning optical microscopy

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Employment (1)

Indian Institute of Technology Madras: Chennai, Tamilnadu, IN

2022-06-01 to present | Assistant Professor (Department of Physics)
Employment
Source: Self-asserted source
Ravichandran Shivanna

Education and qualifications (5)

University of Cambridge: Cambridge, Cambridgeshire, GB

2018-08-20 to 2022-04-30 | Research Associate (Cavendish Laboratory)
Education
Source: Self-asserted source
Ravichandran Shivanna

University of Cambridge: Cambridge, Cambridgeshire, GB

2016-06-01 to 2018-06-01 | Newton International Fellow, The Royal Society (Department of Physics)
Education
Source: Self-asserted source
Ravichandran Shivanna

Jawaharlal Nehru Centre for Advanced Scientific Research: Bangalore, Karnataka, IN

2015-04-10 to 2016-05-15 | Research Associate (Chemistry and Physics of Materials Unit)
Education
Source: Self-asserted source
Ravichandran Shivanna

Jawaharlal Nehru Centre for Advanced Scientific Research: Bangalore, KA, IN

2009-08-05 to 2015-07-24 | PhD (Chemistry and Physcics of Materials Science)
Education
Source: Self-asserted source
Ravichandran Shivanna

University of Mysore: Mysore, KA, IN

2004-08-30 to 2009-07-30 | 5 Years Intergrated Msc in Physics (Department of Physics)
Education
Source: Self-asserted source
Ravichandran Shivanna

Funding (1)

Newton International Fellowship, The Royal Society, London

2016-06 to 2018-06 | Award
Royal Society (London, GB)
GRANT_NUMBER: NF151417
Source: Self-asserted source
Ravichandran Shivanna

Works (37)

Direct Observation of Contact Reaction Induced Ion Migration and its Effect on Non‐Ideal Charge Transport in Lead Triiodide Perovskite Field‐Effect Transistors

Small
2023-10 | Journal article
DOI: 10.1002/smll.202302494
Contributors: Youcheng Zhang; Amita Ummadisingu; Ravichandran Shivanna; Dionisius Hardjo Lukito Tjhe; Hio‐Ieng Un; Mingfei Xiao; Richard H. Friend; Satyaprasad P. Senanayak; Henning Sirringhaus
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Resonant Energy Transfer-Mediated Efficient Hole Transfer in the Ternary Blend Organic Solar Cells

The Journal of Physical Chemistry Letters
2023-07-27 | Journal article
DOI: 10.1021/acs.jpclett.3c01359
Contributors: Suraj Yadav; Ravichandran Shivanna; Aiswarya Abhisek Mohapatra; Nipun Sawhney; Chandrasekhar Gangadharappa; Sufal Swaraj; Akshay Rao; Richard H. Friend; Satish Patil
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Charge transport in mixed metal halide perovskite semiconductors

Nature Materials
2023-02 | Journal article
DOI: 10.1038/s41563-022-01448-2
Contributors: Satyaprasad P. Senanayak; Krishanu Dey; Ravichandran Shivanna; Weiwei Li; Dibyajyoti Ghosh; Youcheng Zhang; Bart Roose; Szymon J. Zelewski; Zahra Andaji-Garmaroudi; William Wood et al.
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Optical control of exciton spin dynamics in layered metal halide perovskites via polaronic state formation

Nature Communications
2022-06-09 | Journal article
DOI: 10.1038/s41467-022-30953-w
Contributors: Sean A. Bourelle; Franco V. A. Camargo; Soumen Ghosh; Timo Neumann; Tim W. J. van de Goor; Ravichandran Shivanna; Thomas Winkler; Giulio Cerullo; Felix Deschler
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Ultrafast spin relaxation mechanisms in layered hybrid perovskites

2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2021
2021 | Conference paper
DOI: 10.1109/CLEO/Europe-EQEC52157.2021.9541616
EID:

2-s2.0-85117603738
Contributors: Camargo, F.V.A.; Ghosh, S.; Bourelle, S.A.; Neumann, T.; Shivanna, R.; Friend, R.H.; Cerullo, G.; Deschler, F.
Source: Self-asserted source
Ravichandran Shivanna via Scopus - Elsevier

Ultrafast spin relaxation mechanisms in layered hybrid perovskites

Optics InfoBase Conference Papers
2021 | Conference paper
EID:

2-s2.0-85119973111
Contributors: Camargo, F.V.A.; Ghosh, S.; Bourelle, S.A.; Neumann, T.; Shivanna, R.; Friend, R.H.; Cerullo, G.; Deschler, F.
Source: Self-asserted source
Ravichandran Shivanna via Scopus - Elsevier

Understanding the Role of Grain Boundaries on Charge-Carrier and Ion Transport in Cs<inf>2</inf>AgBiBr<inf>6</inf> Thin Films

Advanced Functional Materials
2021 | Journal article
DOI: 10.1002/adfm.202104981
EID:

2-s2.0-85114193551

Part of ISSN: 16163028 1616301X
Contributors: Li, Z.; Senanayak, S.P.; Dai, L.; Kusch, G.; Shivanna, R.; Zhang, Y.; Pradhan, D.; Ye, J.; Huang, Y.-T.; Sirringhaus, H. et al.
Source: Self-asserted source
Ravichandran Shivanna via Scopus - Elsevier

Ligand-engineered bandgap stability in mixed-halide perovskite LEDs

Nature
2021-03-04 | Journal article
DOI: 10.1038/s41586-021-03217-8
Contributors: Yasser Hassan; Jong Hyun Park; Michael L. Crawford; Aditya Sadhanala; Jeongjae Lee; James C. Sadighian; Edoardo Mosconi; Ravichandran Shivanna; Eros Radicchi; Mingyu Jeong et al.
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Dual nature of the spin relaxation mechanism in layered hybrid perovskites

Optics InfoBase Conference Papers
2020 | Conference paper
DOI: 10.1364/UP.2020.M4A.12
EID:

2-s2.0-85102403536
Contributors: Camargo, F.V.A.; Ghosh, S.; Bourelle, S.A.; Shivanna, R.; Friend, R.H.; Cerullo, G.; Deschler, F.
Source: Self-asserted source
Ravichandran Shivanna via Scopus - Elsevier

Role of Morphology and Förster Resonance Energy Transfer in Ternary Blend Organic Solar Cells

ACS Applied Energy Materials
2020-12-28 | Journal article
DOI: 10.1021/acsaem.0c02179
Contributors: Aiswarya Abhisek Mohapatra; Ravichandran Shivanna; Suresh Podapangi; Alexander Hinderhofer; M. Ibrahim Dar; Nilabja Maity; Frank Schreiber; Aditya Sadhanala; Richard H. Friend; Satish Patil
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Minimizing the Trade-Off between Photocurrent and Photovoltage in Triple-Cation Mixed-Halide Perovskite Solar Cells

The Journal of Physical Chemistry Letters
2020-12-03 | Journal article
DOI: 10.1021/acs.jpclett.0c02791
Contributors: Thomas Baumeler; Neha Arora; Alexander Hinderhofer; Seckin Akin; Alessandro Greco; Mojtaba Abdi-Jalebi; Ravichandran Shivanna; Ryusuke Uchida; Yuhang Liu; Frank Schreiber et al.
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How Exciton Interactions Control Spin-Depolarization in Layered Hybrid Perovskites

Nano Letters
2020-08-12 | Journal article
DOI: 10.1021/acs.nanolett.0c00867
Contributors: Sean A. Bourelle; Ravichandran Shivanna; Franco V. A. Camargo; Soumen Ghosh; Alexander J. Gillett; Satyaprasad P. Senanayak; Sascha Feldmann; Lissa Eyre; Arjun Ashoka; Tim W. J. van de Goor et al.
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A general approach for hysteresis-free, operationally stable metal halide perovskite field-effect transistors

Science Advances
2020-04-10 | Journal article
DOI: 10.1126/sciadv.aaz4948
Contributors: Satyaprasad P. Senanayak; Mojtaba Abdi-Jalebi; Varun S. Kamboj; Remington Carey; Ravichandran Shivanna; Tian Tian; Guillaume Schweicher; Junzhan Wang; Nadja Giesbrecht; Daniele Di Nuzzo et al.
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Understanding the Origin of Ultrasharp Sub-bandgap Luminescence from Zero-Dimensional Inorganic Perovskite Cs4PbBr6

ACS Applied Energy Materials
2020-01-27 | Journal article
DOI: 10.1021/acsaem.9b02214
Contributors: Mingue Shin; Sung-Wook Nam; Aditya Sadhanala; Ravichandran Shivanna; Miguel Anaya; Alberto Jiménez-Solano; Hyewon Yoon; Seokwoo Jeon; Samuel D. Stranks; Robert L. Z. Hoye et al.
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A Highly Emissive Surface Layer in Mixed-Halide Multication Perovskites

Advanced Materials
2019 | Journal article
DOI: 10.1002/adma.201902374
EID:

2-s2.0-85071891546

Part of ISSN: 15214095 09359648
Contributors: Andaji-Garmaroudi, Z.; Abdi-Jalebi, M.; Guo, D.; Macpherson, S.; Sadhanala, A.; Tennyson, E.M.; Ruggeri, E.; Anaya, M.; Galkowski, K.; Shivanna, R. et al.
Source: Self-asserted source
Ravichandran Shivanna via Scopus - Elsevier

Wavelength-Dependent Charge Carrier Dynamics for Single Pixel Color Sensing Using Graded Perovskite Structures

Nano Letters
2019-09-11 | Journal article
DOI: 10.1021/acs.nanolett.9b02839
Contributors: N. Ganesh; Ravichandran Shivanna; Richard H. Friend; K. S. Narayan
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Laser Emission from Self-Assembled Colloidal Crystals of Conjugated Polymer Particles in a Metal-Halide Perovskite Matrix

Chemistry of Materials
2019-04-09 | Journal article
DOI: 10.1021/acs.chemmater.9b00307
Part of ISSN: 0897-4756
Part of ISSN: 1520-5002
Source: Self-asserted source
Ravichandran Shivanna
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High-efficiency perovskite-polymer bulk heterostructure light-emitting diodes

arXiv
2018 | Other
EID:

2-s2.0-85094999957

Part of ISSN: 23318422
Contributors: Zhao, B.; Bai, S.; Kim, V.; Lamboll, R.; Shivanna, R.; Auras, F.; Richter, J.M.; Yang, L.; Dai, L.; Alsari, M. et al.
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Ravichandran Shivanna via Scopus - Elsevier

Observation of Vibronic-Coupling-Mediated Energy Transfer in Light-Harvesting Nanotubes Stabilized in a Solid-State Matrix

Journal of Physical Chemistry Letters
2018 | Journal article
DOI: 10.1021/acs.jpclett.8b02325
EID:

2-s2.0-85053678523

Part of ISSN: 19487185
Contributors: Pandya, R.; Chen, R.Y.S.; Cheminal, A.; Thomas, T.; Thampi, A.; Tanoh, A.; Richter, J.; Shivanna, R.; Deschler, F.; Schnedermann, C. et al.
Source: Self-asserted source
Ravichandran Shivanna via Scopus - Elsevier

High-efficiency perovskite–polymer bulk heterostructure light-emitting diodes

Nature Photonics
2018-12-05 | Journal article
DOI: 10.1038/s41566-018-0283-4
Contributors: Baodan Zhao; Sai Bai; Vincent Kim; Robin Lamboll; Ravichandran Shivanna; Florian Auras; Johannes M. Richter; Le Yang; Linjie Dai; Mejd Alsari et al.
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Role of Charge‐Transfer State in Perylene‐Based Organic Solar Cells

ChemistrySelect
2018-08-31 | Journal article
DOI: 10.1002/slct.201801134
Contributors: Ravichandran Shivanna; Sridhar Rajaram; K. S. Narayan
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Enhanced photovoltage for inverted planar heterojunction perovskite solar cells

Science
2018-06-29 | Journal article
DOI: 10.1126/science.aap9282
Contributors: Deying Luo; Wenqiang Yang; Zhiping Wang; Aditya Sadhanala; Qin Hu; Rui Su; Ravichandran Shivanna; Gustavo F. Trindade; John F. Watts; Zhaojian Xu et al.
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Real-Time Observation of Exciton-Phonon Coupling Dynamics in Self-Assembled Hybrid Perovskite Quantum Wells

arXiv
2017 | Other
EID:

2-s2.0-85095068591

Part of ISSN: 23318422
Contributors: Ni, L.; Huynh, U.; Cheminal, A.; Thomas, T.H.; Shivanna, R.; Sadhanala, A.; Hinrichsen, T.; Rao, A.
Source: Self-asserted source
Ravichandran Shivanna via Scopus - Elsevier

Real-Time Observation of Exciton–Phonon Coupling Dynamics in Self-Assembled Hybrid Perovskite Quantum Wells

ACS Nano
2017-10 | Journal article
DOI: 10.1021/acsnano.7b03984
Part of ISSN: 1936-0851
Contributors: Limeng Ni; Uyen Huynh; Alexandre Cheminal; Tudor H. Thomas; Ravichandran Shivanna; Ture F. Hinrichsen; Shahab Ahmad; Aditya Sadhanala; Akshay Rao
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Photon Transport in One-Dimensional Incommensurately Epitaxial CsPbX3 Arrays

Nano Letters
2016-11 | Journal article
DOI: 10.1021/acs.nanolett.6b04297
Part of ISSN: 1530-6984
Contributors: Yiping Wang; Xin Sun; Ravichandran Shivanna; Yunbo Yang; Zhizhong Chen; Yuwei Guo; Gwo-Ching Wang; Esther Wertz; Felix Deschler; Zhonghou Cai et al.
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A comparison of charge separation dynamics in organic blend films employing fullerene and perylene diimide electron acceptors

Journal of Physical Chemistry Letters
2015 | Journal article
DOI: 10.1021/jz502385n
EID:

2-s2.0-84939185681

Part of ISSN: 19487185
Contributors: Shoaee, S.; Deledalle, F.; Tuladhar, P.S.; Shivanna, R.; Rajaram, S.; Narayan, K.S.; Durrant, J.R.
Source: Self-asserted source
Ravichandran Shivanna via Scopus - Elsevier

Charge versus Energy Transfer Effects in High-Performance Perylene Diimide Photovoltaic Blend Films

ACS Applied Materials & Interfaces
2015-10 | Journal article
DOI: 10.1021/acsami.5b08224
Part of ISSN: 1944-8244
Contributors: Ranbir Singh; Ravichandran Shivanna; Agathaggelos Iosifidis; Hans-Jürgen Butt; George Floudas; K. S. Narayan; Panagiotis E. Keivanidis
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Interface engineering for efficient fullerene-free organic solar cells

Applied Physics Letters
2015-03-23 | Journal article
DOI: 10.1063/1.4916216
Contributors: Ravichandran Shivanna; Sridhar Rajaram; K. S. Narayan
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A Comparison of Charge Separation Dynamics in Organic Blend Films Employing Fullerene and Perylene Diimide Electron Acceptors.

The Journal of Physical Chemistry Letters
2014 | Journal article
Source: Self-asserted source
Ravichandran Shivanna

Charge generation and transport in efficient organic bulk heterojunction solar cells with a perylene acceptor

Energy Environ. Sci.
2014 | Journal article
DOI: 10.1039/c3ee42484g
Part of ISSN: 1754-5692
Contributors: Ravichandran Shivanna; Safa Shoaee; Stoichko Dimitrov; Sunil Kumar Kandappa; Sridhar Rajaram; James R. Durrant; K. S. Narayan
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Organic photovoltaics: key photophysical, device and design aspects

Journal of Modern Optics
2014-09 | Journal article
DOI: 10.1080/09500340.2014.954648
Part of ISSN: 0950-0340
Contributors: Dhruv Joshi; Ravichandran Shivanna; K.S. Narayan
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Ravichandran Shivanna via Crossref Metadata Search
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Luminescent Polymer Films from Simple Processing of Coronene and Europium Precursors in Water

European Journal of Inorganic Chemistry
2014-05 | Journal article
DOI: 10.1002/ejic.201402228
Part of ISSN: 1434-1948
Contributors: Miquel Planells; Efthymios Klampaftis; Martina Congiu; Ravichandran Shivanna; K. Venkata Rao; Oleg Chepelin; Anita C. Jones; Bryce S. Richards; Subi J George; K. S. Narayan et al.
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Photoconductive NSOM for mapping optoelectronic phases in nanostructures

Nanophotonics
2014-01-01 | Journal article
DOI: 10.1515/nanoph-2013-0043
Part of ISSN: 2192-8614
Contributors: Anshuman J. Das; Ravichandran Shivanna; K.S. Narayan
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Chem. & Phys. of Mater. Unit, Jawaharlal Nehru Center for Adv. Sci. Res., Bangalore, India

Electron Device Letters, IEEE
2013 | Journal article
Source: Self-asserted source
Ravichandran Shivanna

Confinement induced stochastic sensing of charged coronene and perylene aggregates in α-hemolysin nanochannels

Soft Matter
2013 | Journal article
DOI: 10.1039/c3sm51313k
Part of ISSN: 1744-683X
Contributors: Ravichandran Shivanna; Debabrata Pramanik; Hemant Kumar; K. Venkata Rao; Subi J. George; Prabal K. Maiti; K. S. Narayan
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Water-Gated Phospholipid-Monolayer Organic Field Effect Transistor Through Modified Mueller–Montal Method

IEEE Electron Device Letters
2013-02 | Journal article
DOI: 10.1109/led.2012.2233192
Part of ISSN: 0741-3106
Contributors: K. S. Narayan; B. N. Madhushankar; Vini Gautam; Satyaprasad P. Senanayak; Ravichandran Shivanna
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Nonplanar Perylene Diimides as Potential Alternatives to Fullerenes in Organic Solar Cells

The Journal of Physical Chemistry Letters
2012-08 | Journal article
DOI: 10.1021/jz301047d
Part of ISSN: 1948-7185
Contributors: Sridhar Rajaram; Ravichandran Shivanna; Sunil Kumar Kandappa; K. S. Narayan
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