Publications

 

Journal covers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2025

Silver–Bismuth Perovskite-Inspired Materials: Chemistry, Optoelectronic Properties, and Emerging Applications in Photovoltaics and Beyond

J. Mater. Chem. A, 2025, DOI: 10.1039/D5TA06180F

G. K. Grandhi, N. S. M. Viswanath, M. Righetto, S. Domenici, M. Krishnaiah, M. Moroni, A. Pecoraro, A. B. Munoz-Garcia, M. Pavone, L. Malavasi, T. Gatti and P. Vivo

Lead-Free Perovskites and Their Derivatives for Indoor Photovoltaic Applications

In Comprehensive Series in Photochemical and Photobiological Sciences; Springer, Cham, 2025.

G. K. Grandhi, M. Krishnaiah, P. Vivo

Interlayer-Crosslinkable Hole Transport Layer Achieved Highly Efficient and Stable Perovskite Solar Cells

Adv. Funct. Mater. 2025, e10279

Zheng Wang, Jiakang Zhang, G. Krishnamurthy Grandhi, Muhua Zou, Paola Vivo, Zhongmin Zhou, Haichang Zhang

Reaching a consensus on indoor photovoltaics testing

Joule, 2025, 102127

Robert L.Z. Hoye, George Koutsourakis, Marina Freitag, Zacharie Jehl Li-Kao, Thomas Österberg, Simon Aliwell, Mathieu Bellanger, Thomas M. Brown, Francesca Brunetti, Matthew J. Carnie, Abhisek Chakraborty, Giulia Grancini, Petri Kärhä, Matthias Kauer, Thomas Kirchartz, Chieh-Ting Lin, Monica Lira-Cantú, Yean-San Long, Senol Öz, Sonia R. Raga, Edgardo Saucedo, Paola Vivo, Shin Woei Leow, Konrad Wojciechowski, Andrea Zampetti, Ru Zhou, Simon Züfle, Gregory Burwell

Lighting the Way: Unveiling the Mechanisms of the Photoinduced Benzyl Alcohol Oxidation Using Tailored Bismuth-Based Perovskite-Inspired Microcrystals

ChemSusChem 2025, 00, e202501555

Daniele Conelli, Chiara Lo Porto, Anna Moliterni, Davide Altamura, Cinzia Giannini,Fabio Palumbo, Helena Mateos, Mokurala Krishnaiah, Tuhin Samanta, Kimmo Lahtonen,G. Krishnamurthy Grandhi, Paola Vivo, Gian Paolo Suranna, and Roberto Grisorio

Pyridine-Based Multifunctional Surface Passivators Enable Efficient and Stable Perovskite Indoor Photovoltaics

ACS Appl. Mater. Interfaces 2025, 17, 49409−49420

Yi Han; Ceylan Doyranli; Alessia Di Vito; Matthias Auf der Maur; Mokurala Krishnaiah; Paavo Mäkinen; Ramesh Kumar; Basheer Al-Anesi; Debjit Manna; Paola Vivo

Wisdom of Crowds for Supporting the Safety Evaluation of Nanomaterials

Environ. Sci. Technol. 2025, 59, 29, 14969–14980

Laura Aliisa Saarimäki, Michele Fratello,  Giusy del Giudice, Emanuele Di Lieto, Antreas Afantitis, Harri Alenius, Eliodoro Chiavazzo, Mary Gulumian, Piia Karisola, Iseult Lynch, Giulia Mancardi, Georgia Melagraki, Paolo Netti, Anastasios G. Papadiamantis, Willie Peijnenburg, Hélder A. Santos, Tommaso Serchi, Mohammad-Ali Shahbazi, Tobias Stoeger, Eugenia Valsami-Jones, Paola Vivo, Ivana Vinković Vrček, Ulla Vogel, Peter Wick, David A. Winkler, Angela Serra, Dario Greco.

DMSO-Free Tin Halide Perovskites for Indoor Photovoltaics

ACS Energy Lett. 2025, 10, XXX, 3789–3798

Debendra Prasad Panda; Rabeb Issaoui; Zafar Iqbal; G. Krishnamurthy Grandhi; Muhammad Okash Ur Rehman; Fengshuo Zu; Paola Alippi; Madineh Rastgoo; Shengnan Zuo; Enrica Luzzi; Maxim Simmonds; Lorenzo Miele; Luigi Sanguigno; Meng Li; Paolo Aprea; Ernesto Di Maio; Norbert Koch; Paola Vivo, and Antonio Abate

Surpassing the 10% Efficiency Threshold in Perovskite-Inspired Indoor Photovoltaics

ACS Energy Lett. 2025, 10, 3415–3418

Lamminen, N.; Lahtinen, J.; Krishnaiah, M.; Karlsson, J; Saju, M.; Grandhi, G.K.; Vivo, P.

Bulk Passivation of Lead Halide Perovskites: The Key to High-Performance Indoor Photovoltaics at Very Low-Light Intensities

Solar RRL 2025, 9, 2500195

Karpiola, E; Grandhi, G.K.; Doyranli, C.; Han, Y.; Alexander, A.; Jagadamma, L.K.; Tewari, A.; Manna, D.; Vivo, P.

Structural-disorder-induced enhancement of second-harmonic generation in bismuth-based perovskite-inspired materials

Newton 2025, 1, 3, 100056.

Annurakshita, S; Grandhi, G.K.; Viswanath, N.S.M.; Pecoraro, A.; Schildt, M.; Toikkonen, S.; Munoz-Garcia, A.B.; Pavone, M.; Juttunen, M.J.;  Vivo, P.

The Promise of Operational Stability in Pnictogen-Based Perovskite-Inspired Solar Cells

EES Sol. 2025, 1, 139-156

Lamminen, N; Karlsson, J.; Kumar, R.; Viswanath, N.S.M.; Lal, S.; Fasulo, F.; Righetto, M.; Krishnaiah, M.; Lahtonen, K.; Tewari, A.; Katerski, A.; Lahtinen, J.; Acik, I.O.; Johansson, E.M.J.; Munoz-Garcia, A.B.; Pavone, M.; Herz, L.M.; Grandhi, G.K.; Vivo, P.

Synergistic Halogen-Bonding Passivation and Carboxylic Acid Anchoring in Carbazole-Based Hole-Transport Materials Enhance Performance and Stability of p–i–n Perovskite Solar Cells

Small. 2025, 21, 2502236

Mäkinen, P.; Han, Y.; Koch, G.; Xie, M.; Tewari, A.; Di Vito, A.; Auf Der Maur, M.; Al-Anesi, B.; Alexander, A.; Lamminen, N.; De Rossi, F.; Brunetti, F.; Vivo, P.

Benign Mid-Gap Halide Vacancy States in 2D Bismuth-Based Halide Perovskite Microcrystals for Enhanced Broadband Photodetectors

Mater. Horiz. 2025, 12, 3865-3877

Singh, K.; Hossain, M.; Nayak, P.K.; Karmakar, S.; Tripathi, A.; Sarkar, P.; Rudra, P.; Muhammed Ali, A.V.; Grandhi, G.K.; Vivo, P.; Mondal, S.; Adarsh, K.V.; Ghosh, D.; Rao, K.D.M.

Promises and challenges of indoor photovoltaics

Nat. Rev. Clean Technol. 2025, 1, 132-147.

Grandhi, G.K; Koutsourakis, G.; Blakesley, J.C.; De Rossi, F.; Brunetti, F.; Öz, S.; Sinicropi, A.; Parisi, M.L.; Brown, T.M.; Carnie, M.J.; Hoye, R.L.Z.; Vivo, P.

Perovskite-Inspired Cs₂AgBi₂I₉: A Promising Photovoltaic Absorber for Diverse Indoor Environments

Adv. Energy Mater. 2025, 15, 2404547.

Krishnaiah, M.; Singh, K.; Monga, S.; Tripathi, A.; Karmakar, S.; Kumar, R.; Tyrpenou, C.; Volonakis, G.; Manna, D.; Mäkinen, P.; Adarsh, K.V.; Bhattacharya, S. Granhi, G.K.; Rao, K.D.M; Vivo, P.

Cooperating with additives: low-cost hole-transporting materials for improved stability of perovskite solar cells

Sustain. Energy Fuels 2025, 9, 172-184.

Mäkinen, P., Conelli, D., Grandhi, G.K., Suranna, G.P., Vivo, P. & Grisorio, R.

Synergistic dye/photocatalyst interconnections for activating efficient light-induced degradation pathways.

J. Mater. Chem. C, 2025, 13, 1769-1783.

Conelli, D.; Grandhi, G.K.; Tewari, A.; Hytönen, V.; Lanzafame, P.; Vivo, P.; Suranna, G.; Grisorio, R.

Assessing the Environmental Impact of Pnictogen-based Perovskite-Inspired Materials for Indoor Photovoltaics.

Adv. Energy Mater. 2025, 15, 2403981.

Vidal, R.; Lamminen, N.; Holappa, V.; Alberola-Borràs, J.-A.; Franco, I.P.; Grandhi, G.K.; Vivo, P.

 

2024

 

Solution-Processed Tin-Antimony Quaternary Chalcohalides for Self-Powered Broadband Photodetectors

Sol. RRL 2024, 8, 2400633.

Manna, D.; Krishnaiah, M.; Grandhi, G.K.; Al-Anesi, B.; Viswanath, N.S.M.; Sugathan, V.; Tewari, A., Doyranli, C.; Vivo, P.

Synergistic Metal Halide Perovskite@Metal-Organic Framework Hybrids for Photocatalytic CO2 Reduction

iScience 2024, 27, 110924.

Sharma, S.; Jacob, N.; Grandhi, G.K.; Choudhary, M.B.; Ippili, S.; Hathwar, V.R.; Vivo, P.; Lo, R.; Motapothula, M.; Jayaramulu, K.

Simplifying perovskite solar cell fabrication for materials testing: how to use unetched substrates with the aid of a three-dimensionally printed cell holder

R. Soc. Open Sci. 2024, 11, 241012.

Valdez Garcia, J.; Hadadian, M.; Nizamov, R.; Mäkinen, P.; Lamminen, N.; Vivo, P.; Miettunen, K.

Unveiling Double A‑Site Cation Perovskite-Inspired Materials: From 0D-Cs3Bi2I9 to 2D-Cs2AgBi2I9 with Enhanced Charge Transport

Chem. Mater. 2024, 16, 7781–779.

Hossain, M.; Singh, K.; Narwal, A.; Sheikh, M.S.; Reddy, S.K.; Vankayala, K.; Singh, A.; Khan, S.; Khan, S.; Velpula, P.K.; Chirumamilla, M.; Yamijala, S. S. R. K. C.; Grandhi, G. K.; Vivo, P.; Rao, K.D.M.

Enhancing Charge Transfer in Perovskite-Inspired Silver Iodobismuthate-Based Solar Cells via Cesium Iodide Interlayer

Adv. Energy Sustainability Res. 2024, 5, 2400119.

Al-Anesi, B.; Sugathan, V.; Karlsson, K. J.; Tewari, A.; Nasare, R.; Mäkinen, P.; Manna, D.; Mäntysalo, M.; Vivo, P.

Dissecting the Role of Hole-transport Layer in Cu2AgBiI6 Solar Cells: An Integrated Experimental and Theoretical Study

J. Phys. Chem. C 2024, 128, 9446–9453.

Al-Anesi, B.; Murthy, G.K.; Pecoraro, A.; Sugathan, V.; Muñoz-García, A.; Pavone, M.; Vivo, P.

Lattice Engineering via Transition Metal Ions for Boosting Photoluminescence Quantum Yields of Lead‐Free Layered Double Perovskite Nanocrystals

Small 2024, 20, 2401051.

Liu, M.; Matta, S.K.; Al Said, T.; Liu, J.; Matuhina, A.; Al-Anesi, B.; Ali-Löytty, H.; Lahtonen, K.; Russo, S.P.; Vivo, P.

Is doping of Spiro-OMeTAD a requirement for efficient and stable perovskite indoor photovoltaics?

Adv. Devices Instrum. 2024, 5.

Toikkonen, S.; Grandhi, G.K.; Wang, S.; Baydin, B.; Al-Anesi, B.; Jagadamma, L.K.; Vivo, P.

Surface-Engineered Cesium Lead Bromide Perovskite Nanocrystals for Enabling Photoreduction Activity

ACS Appl. Mater. Interfaces 2024, 16, 24029–24038.

Conelli, D.; Matuhina, A.; Dibenedetto, C.; Grandhi, G.K.; Margiotta, N.; Fanizza, E.; Striccoli, M.; Vivo, P.; Suranna, G.P.; Grisorio, R.

Halide perovskites for photoelectrochemical water splitting and CO2 reduction – challenges and opportunities

ACS Catal. 2024, 14, 6603–6622.

Bienkowski, K.; Solarska, R.; Trinh, L.; Widera-Kalinowska, J.; Al-Anesi, B.; Liu, M.; Grandhi, G.K.; Vivo, P.; Oral, B.; Yilmaz, B.; Yildirim, R.

Halide Engineering in Mixed Halide Perovskite-inspired Cu2AgBiI6 for Solar Cells with Enhanced Performance

ACS Appl. Mater. Interfaces 2024, 16, 19026–19038.

Sugathan, V.; Liu, M.; Pecoraro, A.; Das, T.K.; Ruoko, T.-P.; Grandhi, G.K.; Manna, D.; Ali-Löytty, H.; Lahtonen, K.; Muñoz-García, A.; Pavone, M.; Vivo, P.

Probing compositional engineering effects on lead-free perovskite-inspired nanocrystal thin films using correlative nonlinear optical microscopy

Nanoscale, 2024, 16, 2852-2859.

Annurakshita, S.; Liu, M.; Vivo, P.; Bautista, G.

 Wide-Bandgap Perovskite-Inspired Materials – Defect-Driven Challenges for High-Performance Optoelectronics

Adv. Funct. Mater. 2024, 34, 2307441.

Grandhi, G.K.; Hardy, D.; Krishnaiah, M.; Vargas, B.; Al-Anesi, B.; Suryawanshi, M.P.; Solis-Ibarra, D.; Gao, F.; Hoye, R.L.Z., Vivo, P.

 

2023

 

Screening Mixed-Metal Sn2M(III)Ch2X3 Chalcohalides for Photovoltaic Applications

Henkel, P.; Li, J.; Grandhi, G.K.; Vivo, P.; Rinke, P.

Surface and Optical Properties of Phase-Pure Silver Iodobismuthate Nanocrystals

Matuhina, A.; Grandhi, G.K.; Bergonzoni, A.; Pedesseau, L; Grisorio, R.; Annurakshita, S.; Ali-Löytty, H.; Varghese, R.; Lahtonen, K.; Volonakis G.; Pecunia, V.; Bautista, G.; Even, J.; Vivo, P.

Antimony-bismuth alloying: the key to a major boost in the efficiency of lead-free perovskite-inspired photovoltaics

Al-Anesi, B.; Grandhi, G.K.; Pecoraro, A.; Sugathan, V.; Viswanath, N.S.M.; Ali-Löytty, H.; Liu, M.; Ruoko, T.P.; Lahtonen, K.; Manna, D.; Toikkonen, S.; Muñoz-García, A.; Pavone, M.; Vivo, P.

Twisted or Planar? Side-Chain Tailoring of Fluorene-based Hole-Transport Materials for Efficient and Stable Perovskite Solar Cells

Li, R.; Liu, M.; Matta, S.K.; Almasri, A.; Tian, J.; Wang, H.; Pasanen, H.P.; Russo, S.P.; Vivo, P.; Zhang, H.

Water-Resistant Perovskite-Inspired Copper/Silver Pnictohalide Nanocrystals for Photoelectrochemical Water Splitting

Liu, M.; Grandhi, G.K.; Al-Anesi, B.; Ali-Löytty, H.; Lahtonen, K.; Grisorio, R.; Vivo, P.

Lead-free Perovskite-Inspired Semiconductors for Indoor Light-harvesting – the Present and the Future

Grandhi, G.K.; Jagadamma, L.K.; Sugathan, V.; Al-Anesi, B.; Manna, D.; Vivo, P.

Role of Self-Trapped Excitons in the Broadband Emission of Lead-Free Perovskite-Inspired Cu2AgBiI6

Grandhi, G.K.; Dhama, R.; Viswanath, N.S.M.; Lisitsyna, E.; Al-Anesi, B.; Dana, J.; Sugathan, V.; Caglayan, H.; Vivo, P.

Synthetic control over the surface chemistry of blue-emitting perovskite-nanocrystals for photocatalysis

Grisorio, R.; Di Benedetto, C; Matuhina, A; Grandhi, G. K.; Vivo, P.; Fanizza, E.; Striccoli, M.; Suranna, G.P.

The role of different dopants of Spiro-OMeTAD hole transport material on the stability of perovskite solar cells: a mini review

Hatamvand, M.; Vivo, P.; Liu, M.; Tayyab, M.; Dastan, D.; Cai, X.; Chen, M.; Zhan, Y.; Chen, Y.; Huang, W.

Less is more: simplified fluorene-based dopant-free hole-transport materials promote the long-term ambient stability of perovskite solar cells

Mäkinen, P.; Fasulo, F.; Liu, M.; Grandhi, G.K.; Conelli, D.; Al-Anesi, B.; Ali-Löytty, H.; Lahtonen, K.; Toikkonen, S.; Suranna, G.P.; Muñoz-García, A.; Pavone, M.; Grisorio, R.; Vivo, P.

Perovskite photovoltaics: stability and scalability

Tao, S.; Polavarapu. L.; Vivo, P.

Synergistic Fluorine⋅⋅⋅Sulfur Intra- and Intermolecular Interactions on Dopant-free Hole Transport Material for Efficient and Stable Inverted Perovskite Solar Cells

Li, R.; Zhang, J.; Liu, M.; Matta, S.K.; Tian, J.; Russo, S.P.; Vivo, P.; Zhou, Z.; Zhang, H.

The role of CsMnCl3 nanocrystal structure on its luminescence properties

Matuhina, A.; Grandhi, G.K.; Pan, F.; Liu, M.; Ali-Löytty, H; Ayedh, H.M.; Tukiainen, A.; Smått, J.-H.; Vähänissi, V.; Savin, H.; Li, J.; Rinke, P.; Vivo, P.

Triple A-site cation mixing in two-dimensional perovskite-inspired antimony halide absorbers for efficient indoor photovoltaics

Lamminen, N.; Grandhi, G.K.; Fasulo, F.; Hiltunen, A.; Pasanen, H.; Liu, M.; Al-Anesi, B.; Efimov, A.; Ali-Löytty, H.; Lahtonen, K.; Mäkinen, P.; Matuhina, A.; Muñoz-García, A.B.; Pavone, M.; Vivo, P.

Perovskite-inspired Cu2AgBiI6 for mesoscopic indoor photovoltaics at realistic low-light intensity conditions

Grandhi, G.K.; Toikkonen, S.; Al-Anesi, B.; Pecunia, V.; Vivo, P.

Naphthodipyrrolopyrrole-based Aza-BODIPY dye for n-type organic field effect transistors

Miao, C.; Liang, D.; Gu, L.; Li, C.; Liu, M.; Li, J.; Vivo, P., Zhang. H.

 

2022

 

Isoindigo-based aza-BODIPY small molecule for n-type organic field effect transistors

Liang, D.; Li, J.; Cui, S.; Ma, J.; Liu, M.; Miao, C.; Vivo, P.; Yang, W.; Zhang. H.

Hydrogen Bonding Drives the Self-Assembling of Carbazole-based Hole-Transport Material for Enhanced Efficiency and Stability of Perovskite Solar Cells

Wang, C.; Liu, M.; Rahman, S.; Pasanen, H.; Tian, J.; Li, J.; Deng, Z.; Zhang, H.; Vivo, P.

Enhancing the microstructure of perovskite-inspired Cu-Ag-Bi-I absorber for efficient indoor photovoltaics

Grandhi, G. K.; Al-Anesi, B.; Pasanen, H.; Ali-Löytty, H.; Lahtonen, K.; Granroth, S.; Christian, N.; Matuhina, A.; Liu, M.; Berdin, A.; Pecunia, V.; Vivo, P.

Side-Chain Engineering by Thymine Groups Enables Hydrogen Bond in P-type Donor-Acceptor Polymers with Enhanced Optoelectronic Properties

Dai, Z.; Tian, J.; Li, J.; Liu, M.; Vivo, P.; Zhang, H.

Flexible organic photovoltaics with star-shaped non-fullerene acceptors end-capped with indene malononitrile and barbiturate derivatives

Al-Anesi, B.; Revoju, S.; Hiltunen, A.; Suhonen, R.; Kraft, T.M.; Liu, M.; Zhang, H.; Deng, Z.; Fedele, C.; Berdin, A.; Lamminen, N.; Grandhi, G.K.; Ylikunnari, M.; Vivo, P.

In-Situ Formation of Zwitterionic Ligands: Changing the Passivation Paradigms of CsPbBr3 Nanocrystals

Grisorio, R.; Fasulo, F.; Muñoz-García, A.B.; Pavone, M.; Conelli, D.; Fanizza, E.; Striccoli, M.; Allegretta, I.; Terzano, R.; Margiotta, N.; Vivo, P.; Suranna, G.P.

From Transistors to Phototransistors by Tailoring the Polymer Stacking

Cui, S.; Liang, D.; Liu, M.; Vivo, P.: Zheng, M.; Zhuang, T.; Sun, Q.; Yang, W.; Zhang, H.

Beyond hydrophobicity: how F4-TCNQ doping of the hole transport material improves stability of mesoporous triple-cation perovskite solar cells

Liu, M; Dahlström, S; Ahläng, C.; Wilken, S.; Degterev, A.; Matuhina, A.; Hadadian, M.; Markkanen, M.; Aitola, K.; Kamppinen, A.; Deska, J.; Mangs, O.; Nyman, M.; Lund, P.D.;  Smått, J-H.; Österbacka, R.; Vivo, P.

Moisture-assisted near-UV emission enhancement of lead-free Cs4CuIn2Cl12 double perovskite nanocrystals

Liu, M.; Matta, S.K., Ali-Löytty, H.; Matuhina, A.; Grandhi, G.K.; Lahtonen, K.; Russo, S.P.; Vivo, P.

Efficiency improvement for perovskite-inspired Cs3Sb2I9 solar cells using P3HT as the hole transport material

Hiltunen, A.; Lamminen, N.; Salonen, H.; Liu, M.; Vivo, P.