Interfacial Hot-Hole Relaxation and Transfer Dynamics from Lead Halide Perovskite Nanocrystals to Corroles for Photodetector Applications Rahul Murali, Chinmay Barman, Athira Palakkolil, Sravani Renikindi, Arup Mahata, Lingamallu Giribabu, Venugopal Rao Soma, Sai Santosh Kumar Raavi Journal of Physical Chemistry Letters, 2026 Understanding the hot-carrier (HC) relaxation and interfacial transfer dynamics in lead halide perovskites is crucial for developing high-performance optoelectronic devices. Herein, we investigate the hot-hole relaxation and transfer from cesium lead bromide (CPB) to the corrole derivative ( m -Cor) using femtosecond transient absorption spectroscopy (fs-TAS). Under above bandgap photoexcitation, the CPB/ m -Cor heterostructure exhibits faster HC relaxation (∼270 fs), accompanied by narrowing of the high-energy bleach tail and reduced initial HC temperature compared to pristine CPB. These spectral signatures indicate efficient interfacial extraction of hot holes from CPB to m -Cor, which is supported by density functional theory (DFT) calculations. Furthermore, the perovskite photodetector incorporating m -Cor as the hole-transport layer (HTL) exhibits ∼56%, ∼57%, and ∼180% enhancement in photocurrent, detectivity, and responsivity, respectively. Our findings provide mechanistic insight into the interfacial hot-hole transfer in perovskite nanocrystals as well as highlight m -Cor as a promising hole-transport material for the development of efficient perovskite optoelectronics.
Photoluminescence Quenching and Dynamics of FAPbBr3 Perovskite Nanocrystals With CuBr Rajesh Kumar Gautam, Vinod K. Rajput, Dipanjan Banerjee, Venugopal Rao Soma Chemphotochem, 2026 Over the past decade, lead halide perovskites have shown an excellent promise for photovoltaic applications. To maximize their efficiency, understanding the electron/hole separation and transfer processes is crucial. A key focus is identifying effective hole acceptors; our research explores the hole acceptor ability of CuBr with various bromide‐based green‐emitting APbBr 3 (A = FA, MA, Cs) perovskite nanocrystals (NCs). We observed significant photoluminescence (PL) quenching and fast PL decay in the presence of CuBr, indicating a strong interaction between the two species. The energy levels of the NCs align with CuBr’s HOMO–LUMO levels, and ultrafast pump–probe experiments reveal quick hole transfer from photoexcited APbBr 3 NCs to CuBr, with time constants of 100 ps for FAPbBr 3 , 125 ps for CsPbBr 3 , and 176 ps for MAPbBr 3 NCs. This rapid hole extraction is attributed to the strong CuBr anchoring on the NCs surface, highlighting how a simple halide salt can enhance charge carrier transfer and advance the development of affordable solar cells.
Suppressed electron–phonon coupling in Ag-doped CsPbBr3 for high-performance photodetectors Chinmay Barman, Sandeep Kumar Chinthala, Sai Prasad Goud R., S. V. S. Nageswara Rao, Venugopal Rao Soma, Sai Santosh Kumar Raavi Applied Physics Letters, 2026 Charge transport in metal halide perovskites is strongly limited by electron–phonon coupling (EPC) and trap-assisted recombination, which together hinder carrier mobility and device efficiency. Therefore, precise control of EPC strength is crucial for realizing high-performance optoelectronic devices, such as photodetectors. Here, we demonstrate a strategy to overcome these limitations by suppressing Fröhlich electron–phonon coupling in CsPbBr3 nanocrystals through strategic Ag-doping. Low temperature photoluminescence data reveal a dramatic suppression of the Fröhlich interaction, with the EPC strength narrowing from 85.1 ± 8.2 to 45.3 ± 6.1 meV, accompanied by a reduced activation energy upon Ag incorporation. This suppression of phonon-mediated dissipation is further validated by ultrafast transient absorption studies, which reveals significantly prolonged ground-state bleach recovery and extended carrier lifetimes. Consequently, Ag-doped photodetectors exhibit a record detectivity of ∼8.4 × 1013 Jones, an on/off ratio of ∼107, and a fourfold enhancement in the responsivity (0.64 A/W). The near-unity photocurrent behavior with intensity (exponent of 0.98), along with emission behavior, confirms Ag-doping passivates defects and improves carrier extraction. These results establish a strong correlation between lattice engineering and macroscopic device physics, offering a scalable route to high-performance, phonon-managed perovskite optoelectronics.
Ultrafast Laser-Assisted Synthesis of AlCuNi Nanoparticles for Nonlinear Photonic Applications: Effect of Pulse Energy on the Structure, Composition, and Nonlinear Optical Responses Monolina Chowdhury, Supriya Pradhan, Niharika Pradhan, Venugopal Rao Soma, David Amans, Rajesh Rawat ACS Applied Nano Materials, 2026 We report on the synthesis of AlCuNi nanoparticles (NPs) using the laser processing of colloids composed of a mixture of laser-generated monometallic NPs. The effect of laser processing energy on the structure, morphology, composition, and optical properties of the synthesized NPs was investigated systematically by using microscopic and spectroscopic techniques. Transmission electron microscopy (TEM) revealed a reduction in particle size with an increase in processing energy. TEM also revealed a core–shell (CS) structure at a low processing energy, which disappeared as the energy was increased. STEM–EDS, HRTEM, and SAED analyses demonstrated that the elemental composition and spatial distribution of Al, Cu, and Ni strongly depend on the applied laser energy, resulting in distinct composition inhomogeneities at low and high energies. Near-homogeneous AlCuNi alloy NPs with improved compositional uniformity were achieved at an optimal pulse energy of 300 μJ, identifying this condition as most favorable for effective alloying. These studies revealed that the interplay between the physicochemical and thermodynamic properties of the constituent elements (including melting and vaporization enthalpies, surface energies, atomic radii, and mixing enthalpies) and the laser energy governs the alloy formation. UV–visible absorption and photoluminescence spectra exhibited energy-dependent shifts and peak broadening, indicating enhanced interparticle interactions at higher energies. Nonlinear optical (NLO) properties assessed by femtosecond Z-scan measurements showed reverse saturable absorption and self-focusing behavior driven by intrinsic three-photon absorption (3 PA) in the AlCuNi NPs system. The observed 3 PA, reverse saturation absorption, and self-focusing behavior demonstrate that laser-synthesized AlCuNi NPs are promising candidates for nonlinear photonic applications under ultrafast laser excitation. The results obtained highlight the critical role of laser processing energy in tailoring the structural, compositional, morphological, and optical properties of the AlCuNi NPs. Furthermore, based on the experimental results, a possible growth mechanism for the different morphologies and phases of AlCuNi NPs obtained during laser processing at different energies is elucidated.
Chemical-Free MXene Nanoparticles Synthesized Using Femtosecond Bessel Beam for Flexible SERS Sensors Amrit Kumar, Supriya Pradhan, Niharika Pradhan, Venugopal Rao Soma Journal of Physical Chemistry C, 2026 Flexible, versatile sensors prepared using simple, harsh chemical-free techniques are required for sensing hazardous molecules at low concentrations. In this work, we demonstrate a chemical-free, femtosecond laser-based synthesis procedure to achieve spherical Ti3C2 MXene nanoparticles via the technique of liquid-assisted laser ablation (LAL) while using a Bessel beam profile. The as-prepared MXene nanoparticles and their Au-decorated hybrids were deposited onto flexible filter paper substrates and evaluated as surface-enhanced Raman scattering (SERS) sensors for the trace-level detection of ammonium nitrate (AN), picric acid (PA), and Nile Blue (NB). The structural and compositional analyses (XRD, XPS, and TEM) confirmed near-complete etching of Al from Ti3AlC2 and successful incorporation of Au. The standalone MXene substrates provided a significant chemical enhancement [enhancement factor (EF)] of 103, enabling nanomolar detection of analytes without any noble metals. MXene/Au hybrids exhibited synergistic chemical and electromagnetic enhancements, achieving EF values of up to 105 for NB. These results highlight the potential of femtosecond laser-ablated MXene nanoparticles in filter paper as sustainable, flexible, and cost-effective SERS platforms for environmental and security sensing.
Ag-doped TiO2 Nanoparticles Generated with Femtosecond Laser Ablation for Sensing RDX and Ammonium Nitrate Laser Applications Conference Lac 2023 in Proceedings Laser Congress 2023 Assl Lac Part of Laser Conference, 2023
Ag-doped TiO2 Nanoparticles Generated with Femtosecond Laser Ablation for Sensing RDX and Ammonium Nitrate Laser Science Ls 2023 in Proceedings Frontiers in Optics Laser Science 2023 Fio Ls Part of Frontiers in Optics Laser Science 2023, 2023
Ultrafast Photoexcited Molecular Dynamics of Metalated Porphyrin - Napthalimide Based Donor-Acceptor Systems 2022 Conference on Lasers and Electro Optics CLEO 2022 Proceedings, 2022
Ultrafast Photoexcited Molecular Dynamics of Metalated Porphyrin - Napthalimide Based Donor-Acceptor Systems Optics Infobase Conference Papers, 2022
Femtosecond to Microsecond Photophysical Studies of a Novel Free Base Phthalocyanine. Proceedings of SPIE the International Society for Optical Engineering, 2019
Nanoparticle Aluminum Preparation Soma Venugopal Rao, Krishnamurthi Muralidharan, Anuj A. Vargeese Encyclopedia of Aluminum and Its Alloys Two Volume Set Print, 2018
Fabrication of hybrid Ag-Au nanomaterials for explosives detection International Conference on Fibre Optics and Photonics 2014, 2014
Femtosecond time resolved laser induced breakdown spectroscopy studies of nitroimidazoles International Conference on Fibre Optics and Photonics 2014, 2014
Silver nanomaterials in aqueous media fabricated with non-diffracting picosecond bessel beam and applications Optical Instrumentation for Energy and Environmental Applications E2 2014, 2014
Silver Nanomaterials in Aqueous Media Fabricated with Non-diffracting Picosecond Bessel Beam and Applications Optics Infobase Conference Papers, 2014
Fabrication of hybrid Ag-Au nanomaterials for explosives detection Proceedings 12th International Conference on Fiber Optics and Photonics Photonics 2014, 2014
Excited state dynamics of Silicon nanocrystals fabricated using ultrafast laser ablation in liquids Proceedings 12th International Conference on Fiber Optics and Photonics Photonics 2014, 2014
Femtosecond to nanosecond excited states dynamics of novel Corroles Proceedings 12th International Conference on Fiber Optics and Photonics Photonics 2014, 2014
Femtosecond LIBS studies of nitropyrazoles E. Nageswara Rao, Sreedhar Sunku, Surya P. Tewari, G. Manoj Kumar, S. Venugopal Rao Proceedings of SPIE the International Society for Optical Engineering, 2013
CN, C2 molecular emissions from pyrazole studied using femtosecond LIBS 2012 International Conference on Fiber Optics and Photonics Photonics 2012, 2012
Enhanced optical limiting performance through nonlinear scattering in Nanoparticles of CdS, co-doped Ag-Cu, and BSO Nonlinear Optics Quantum Optics, 2010
Anomalous nonlinear absorption behavior in an unsymmetrical phthalocyanine studied near 800 nm using femtosecond and picosecond pulses Nonlinear Optics Quantum Optics, 2010
Micro-Raman mapping of micro-gratings in 'BACCARAT' glass directly written using femtosecond laser K. C. Vishnubhatla, S. Venugopal Rao, R. Sai Santosh Kumar, S. N. B. Bhaktha, A. Chiappini, A. Chiasera, J. Laureyns, M. Ferrari, M. Mattarelli, M. Montagna, R. Osellame, R. Ramponi, G. C. Righini, S. Turrell, D. Narayana Rao Proceedings of SPIE the International Society for Optical Engineering, 2008
Ion beam irradiation and characterization of GaAs based hetero-structures S. Dhamodaran, N. Sathish, A.P. Pathak, S.V.S.N. Rao, A.M. Siddiqui, S.A. Khan, D.K. Avasthi, T. Srinivasan, R. Muralidharan, C. Muntele, D. Ila, D. Emfietzoglou Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, 2006
A progress review of proton beam writing applications in microphotonics A.A. Bettiol, T.C. Sum, F.C. Cheong, C.H. Sow, S. Venugopal Rao, J.A. van Kan, E.J. Teo, K. Ansari, F. Watt Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, 2005
Proton beam writing of erbium-doped waveguide amplifiers T.C. Sum, A.A. Bettiol, K. Liu, M.Q. Ren, E.Y.B. Pun, S. Venugopal Rao, J.A. van Kan, F. Watt Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, 2005
Proton Beam Writing of Passive Polymer Optical Waveguides Tze Chien Sum, Andrew A. Bettiol, Soma Venugopal Rao, Jeroen A. van Kan, Akkipeddi Ramam, Frank Watt Proceedings of SPIE the International Society for Optical Engineering, 2004
Electronic sputtering from HOPG: A study of angular dependence A. Tripathi, S.A. Khan, S.K. Srivastava, M. Kumar, S. Kumar, S.V.S.N. Rao, G.B.V.S. Lakshmi, Azhar.M. Siddiqui, N. Bajwa, H.S. Nagaraja, V.K. Mittal, A. Szokefalvi, M. Kurth, A.C. Pandey, D.K. Avasthi, H.D. Carstanjen Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, 2003
Second Harmonic Generation in First-Order Quasi-Phase-Matched GaAs/AlAs Superlattice Waveguides by Use of Ion-Implantation Induced Intermixing Optics Infobase Conference Papers, 2003
Second harmonic generation in first-order quasi-phase-matched GaAs/AlAs superlattice waveguides by use of ion-implantation induced intermixing OSA Trends in Optics and Photonics Series, 2003
Modal phase matching in GaAs/AlGaAs waveguides: Second harmonic generation with femtosecond pulses near 1.5 m OSA Trends in Optics and Photonics Series, 2003
Modal Phase Matching in GaAs/AlGaAs Waveguides: Second Harmonic Generation With Femtosecond Pulses Near 1.5 µm Optics Infobase Conference Papers, 2003
Quasi-phase-matched second harmonic generation in an GaAs/AlAs superlattice waveguide using ion-implantion induced intermixing Conference Proceedings Lasers and Electro Optics Society Annual Meeting LEOS, 2002
Generation of ultrashort electrical pulses in semiconductor waveguides Pacific Rim Conference on Lasers and Electro Optics CLEO Technical Digest, 2002
Generation of Ultrashort Electrical Pulses in Semiconductor Waveguides Optics Infobase Conference Papers, 2002
Efficient second harmonic generation in birefringently phase-matched GaAs/Al2O3 waveguides using femtosecond pulses at 2.01 μm Pacific Rim Conference on Lasers and Electro Optics CLEO Technical Digest, 2002
Measurements of optical loss in GaAs/Al2O3 nonlinear waveguides in the infrared using femtosecond scattering technique Pacific Rim Conference on Lasers and Electro Optics CLEO Technical Digest, 2002
Measurements of Optical Loss in GaAs/Al2O3 Nonlinear Waveguides in the Infrared Using Femtosecond Scattering Technique Optics Infobase Conference Papers, 2002
A Comparative Study of C60, Pthalocyanine, and Porphyrin for Optical Limiting over the Visible Region Journal of Scientific and Industrial Research, 1998
Scalable copper nanodendrites for next-generation SERS-based biosensors (vol 353, 127597, 2026) VS Vendamani, P Yella, S Das, VR Soma SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 355 , 2026 2026
Corrigendum to" Scalable copper nanodendrites for next-generation SERS-based biosensors"[Spectrochim. Acta Part A: Mol. Biomol. Spectrosc. 353 (2026) 127597] VS Vendamani, P Yella, S Das, VR Soma Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy 355, 127707 , 2026 2026
Highly Efficient Optical Limiting and Switching in Porphyrin–Naphthalimide PMMA Films for Photonic Applications MS Ahmed, SK Nayak, VR Soma, SSK Raavi Optical Materials, 118185 , 2026 2026
Interfacial Hot-Hole Relaxation and Transfer Dynamics from Lead Halide Perovskite Nanocrystals to Corroles for Photodetector Applications R Murali, C Barman, A Palakkolil, S Renikindi, A Mahata, L Giribabu, ... The Journal of Physical Chemistry Letters , 2026 2026
Photoluminescence Quenching and Dynamics of FAPbBr 3 Perovskite Nanocrystals With CuBr RK Gautam, VK Rajput, D Banerjee, VR Soma ChemPhotoChem 10 (5), e202500302 , 2026 2026
Controlling the Triplet Dynamics for Efficient Room Temperature Phosphorescence by Molecular Engineering R Arumugam, ATM Munthasir, S Pagidi, N Pradhan, SK Gobbilla, ... Journal of Materials Chemistry C , 2026 2026
Competing Third-and Fifth-Order Optical Nonlinearities in Push–Pull Anthracenyl Chalcones Probed by Intensity-dependent Femtosecond Z-Scan NAM Daud, QA Wong, BS Ooi, SR Maidur, YF Win, VR Soma, CK Quah Optical Materials 176, 118075 , 2026 2026
Suppressed electron–phonon coupling in Ag-doped CsPbBr3 for high-performance photodetectors C Barman, SK Chinthala, SVS Nageswara Rao, VR Soma, SSK Raavi Applied Physics Letters 128 (12), 123307 , 2026 2026
Beam Geometry-Controlled Nonequilibrium Formation of WS2/CsPbBr3 Hybrids and Interfacial Carrier Dynamics RK Challa, MSS Bharathi, R Murali, VR Soma, SSK Raavi arXiv preprint arXiv:2603.04990 , 2026 2026
Ag-Cu alloy films as robust substrates for SERS-based sensing applications NM Das, SSB Moram, VR Soma, S Rath, M Gupta, SK Vayalil, G Mattei, ... Vacuum, 115224 , 2026 2026
Scalable copper nanodendrites for next-generation SERS-based biosensors VS Vendamani, P Yella, S Das, VR Soma Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 127597 , 2026 2026
Ultrafast Laser-Assisted Synthesis of AlCuNi Nanoparticles for Nonlinear Photonic Applications: Effect of Pulse Energy on the Structure, Composition, and Nonlinear Optical … M Chowdhury, S Pradhan, N Pradhan, VR Soma, D Amans, R Rawat ACS Applied Nano Materials 9 (7), 3100-3114 , 2026 2026 Citations: 2
High-order harmonics generation in MoS2 nanosheets in the presence of CdSe and CdSe/V2O5 quantum dots SR Konda, P Barik, S Kumari, S Singh, V Mottamchetty, A Srivasthava, ... Applied Physics Letters 128 (6), 061101 , 2026 2026
Chemical-Free MXene Nanoparticles Synthesized Using Femtosecond Bessel Beam for Flexible SERS Sensors A Kumar, S Pradhan, N Pradhan, VR Soma The Journal of Physical Chemistry C 130 (6), 2234-2243 , 2026 2026
Femtosecond vortex beam nanostructuring of silver and SERS-based efficient detection of multiple explosives S Pradhan, N Pradhan, VR Soma Applied Surface Science 719, 164980 , 2026 2026
Phytogenic silver nanoparticles synthesized from Dendrophthoe falcata and Ocimum tenuiflorum: SERS and ultrafast nonlinear optical studies J Mogilipuri, SP Bhaskar, VR Soma, S Mohan RSC Advances 16 (19), 17337-17350 , 2026 2026
Recent Advances in the Laser‐Based Fabrication and Applications of High‐Entropy Alloy Nanoparticles BK Singh, R Rawat, A Tiwari, VR Soma, A Tripathi MetalMat, e70036 , 2026 2026
Single-beam femtosecond Z-scan studies of bismuth and manganese co-doped titanium dioxide nanoparticles dispersed in ethanol GK Podagatlapalli, T Jena, S Maddila, S Hamad, S Vadavalli, C Angani, ... RSC advances 16 (12), 11023-11035 , 2026 2026
Intermetallic Phase Formation in Non-Equiatomic High-Entropy Alloy Femnnialcrsic and Femnnialtisic Nanoparticles Synthesized Using Laser Ablation and Processing: The … BK Singh, Y Shadangi, H Jain, R Goud, NK Mukhopadhyay, AP Pathak, ... Journal of Alloys and Compounds 1050, 185580 , 2026 2026
Functionalized PVP nanofibers achieved using electrospinning as flexible SERS substrates for multiple explosives sensing RJ Sampath Kumar Satani, B Moram, VR Soma Applied Optics 65 (1), 55-64 , 2026 2026
MOST CITED SCHOLAR PUBLICATIONS
Biosynthesis of silver nanoparticles using Coriandrum sativum leaf extract and their application in nonlinear optics R Sathyavathi, MB Krishna, SV Rao, R Saritha, DN Rao Advanced Science Letters 3 (2), 138-143 , 2010 2010 Citations: 763
Saturable and reverse saturable absorption of Rhodamine B in methanol and water NKMN Srinivas, SV Rao, DN Rao Journal of the Optical Society of America B 20 (12), 2470-2479 , 2003 2003 Citations: 234
Nonlinear optical and optical limiting properties of phthalocyanines in solution and thin films of PMMA at 633 nm studied using a cw laser SJ Mathews, S Chaitanya Kumar, L Giribabu, SV Rao Materials Letters 61, 4426-4431 , 2007 2007 Citations: 202
Femtosecond and nanosecond nonlinear optical properties of alkyl phthalocyanines studied using Z-scan technique RSS Kumar, SV Rao, L Giribabu, DN Rao Chemical Physics Letters 447 (4-6), 274-278 , 2007 2007 Citations: 193
Large third order nonlinear optical and optical limiting properties of symmetric and unsymmetrical phthalocyanines studied using Z-scan SJ Mathews, SC Kumar, L Giribabu, SV Rao Optics Communications 280 (1), 206-212 , 2007 2007 Citations: 175
Recent trends in SERS-based plasmonic sensors for disease diagnostics, Biomolecules Detection, and Machine Learning Techniques R Beeram, V Kameswara Rao, S Venugopal Rao Biosensors 13, 328 , 2023 2023 Citations: 168
Experimental and computational studies on second-and third-order nonlinear optical properties of a novel D-π-A type chalcone derivative: 3-(4-methoxyphenyl)-1-(4-nitrophenyl … SR Maidur, PS Patil, SV Rao, M Shkir, SM Dharmaprakash Optics & Laser Technology 97, 219-228 , 2017 2017 Citations: 167
Studies of third-order optical nonlinearity and nonlinear absorption in tetra tolyl porphyrins using degenerate four wave mixing and Z-scan SV Rao, NKMN Srinivas, DN Rao, L Giribabu, BG Maiya, R Philip, ... Optics Communications 182 (1-3), 255-264 , 2000 2000 Citations: 166
Laser-induced breakdown spectroscopy-based investigation and classification of pharmaceutical tablets using multivariate chemometric analysis AK Myakalwar, S Sreedhar, I Barman, NC Dingari, SV Rao, PP Kiran, ... Talanta 87, 53-59 , 2011 2011 Citations: 165
Linear and nonlinear optical properties of gold nanoparticles doped borate glasses G Jagannath, B Eraiah, K NagaKrishnakanth, SV Rao Journal of Non-Crystalline Solids 482, 160-169 , 2018 2018 Citations: 140
Roadmap for Plasmonic Nanoparticle sensors: current progress, challenges and Future prospects K Kant, R Beeram, LG Cabaleiro, Y Cao, D Quesada-González, H Guo, ... Nanoscale horizons 9 (12), 2085-2166 , 2024 2024 Citations: 138
Synthesis, crystal growth, structure and characterization of a novel third order nonlinear optical organic single crystal: 2-amino 4, 6-dimethyl pyrimidine 4-nitrophenol P Karuppasamy, T Kamalesh, K Anitha, SA Kalam, MS Pandian, ... Optical Materials 84, 475-489 , 2018 2018 Citations: 133
Ultrafast Laser Ablation in Liquids for Nanomaterials and Applications SV Rao, GK Podagatlapalli, S Hamad Journal of Nanoscience and Nanotechnology 14 (2), 1364-1388 , 2014 2014 Citations: 132
Study on third-order nonlinear optical properties of 4-methylsulfanyl chalcone derivatives using picosecond pulses ED D'silva, GK Podagatlapalli, SV Rao, SM Dharmaprakash Materials Research Bulletin 47 (11), 3552-3557 , 2012 2012 Citations: 132
Dispersion studies of non-linear absorption in C< sub> 60</sub> using Z-scan SV Rao, DN Rao, JA Akkara, BS DeCristofano, D Rao Chemical Physics Letters 297 (5), 491-498 , 1998 1998 Citations: 129
Wavelength dependent nonlinear optical switching in electron beam irradiated CuTTBPc thin film KVA Kumar, S Venugopal Rao, S Hamad, SM Dharmaprakash RSC Advances 6 (26), 22083-22089 , 2016 2016 Citations: 126
