Hierarchically Engineered Inorganic Nanomaterials from the atomic to supra-nanocrystalline level as a novel platform for SOLution Processed SOLar cells

Pubblicazioni

Highly efficient, ultrathin, Cd-free kesterite solar cells in superstrate configuration enabled by band level tuning via Ag incorporation

Autori: Zhuoran Wang, Yongjie Wang, Gerasimos Konstantatos
Pubblicato in: NANO ENERGY, Numero 94, 2022, Pagina/e 106898, ISSN 2211-2855
Editore: Elsevier BV
DOI: 10.1016/j.nanoen.2021.106898

Ag 2 ZnSnS 4 –ZnS core–shell colloidal quantum dots: a near-infrared luminescent material based on environmentally friendly elements

Autori: Avijit Saha, Gerasimos Konstantatos
Pubblicato in: Journal of Materials Chemistry C, Numero 9/17, 2021, Pagina/e 5682-5688, ISSN 2050-7534
Editore: Royal Society of Chemistry
DOI: 10.1039/d1tc00421b

Cation Disorder and Local Structural Distortions in AgxBi1–xS2 Nanoparticles

Autori: Jagadesh Kopula Kesavan, Francesco d’Acapito, Paolo Scardi, Alexandros Stavrinadis, Mehmet Zafer Akgul, Ignasi Burgués-Ceballos, Gerasimos Konstantatos, Federico Boscherini
Pubblicato in: Nanomaterials, Numero 10/2, 2020, Pagina/e 316, ISSN 2079-4991
Editore: MDPI
DOI: 10.3390/nano10020316

Low-Threshold, Highly Stable Colloidal Quantum Dot Short-Wave Infrared Laser enabled by Suppression of Trap-Assisted Auger Recombination

Autori: Nima Taghipour, Guy L. Whitworth, Mariona Dalmases, Santanu Pradhan, Yongjie Wang, Gaurav Kumar, Gerasimos Konstantatos, Andreas Othonos
Pubblicato in: ADVANCED MATERIALS, Numero 34, 2022, Pagina/e 2107532, ISSN 0935-9648
Editore: United Nations Industrial Developement Organization
DOI: 10.1002/adma.202107532

Highly Efficient, Bright, and Stable Colloidal Quantum Dot Short‐Wave Infrared Light‐Emitting Diodes

Autori: Santanu Pradhan, Mariona Dalmases, Ayse‐Bilgehan Baspinar, Gerasimos Konstantatos
Pubblicato in: Advanced Functional Materials, Numero 30/39, 2020, Pagina/e 2004445, ISSN 1616-301X
Editore: John Wiley & Sons Ltd.
DOI: 10.1002/adfm.202004445

Colloidal synthesis of lead-free Cs 2 TiBr 6− x I x perovskite nanocrystals

Autori: Shanti Maria Liga, Gerasimos Konstantatos
Pubblicato in: Journal of Materials Chemistry C, Numero 9/34, 2021, Pagina/e 11098-11103, ISSN 2050-7534
Editore: Royal Society of Chemistry
DOI: 10.1039/d1tc01732b

Solution-processed PbS quantum dot infrared laser with room-temperature tunable emission in the optical telecommunications window

Autori: G. L. Whitworth, Mariona Dalmases, N. Taghipour, G. Konstantatos
Pubblicato in: NATURE PHOTONICS, Numero 15, 2021, Pagina/e 738, ISSN 1749-4885
Editore: Nature Pub. Group
DOI: 10.1038/s41566-021-00878-9

Single-Exciton Gain and Stimulated Emission Across the Infrared Telecom Band from Robust Heavily Doped PbS Colloidal Quantum Dots

Autori: Sotirios Christodoulou, Iñigo Ramiro, Andreas Othonos, Alberto Figueroba, Mariona Dalmases, Onur Özdemir, Santanu Pradhan, Grigorios Itskos, Gerasimos Konstantatos
Pubblicato in: Nano Letters, Numero 20/8, 2020, Pagina/e 5909-5915, ISSN 1530-6984
Editore: American Chemical Society
DOI: 10.1021/acs.nanolett.0c01859

Hybrid 2D-QD MoS2-PbSe Quantum Dot Broadband Photodetectors with High-Sensitivity and Room-Temperature Operation at 2.5 mu m

Autori: Biswajit Kundu,Onur Özdemir,Mariona Dalmases,Gaurav Kumar,Gerasimos Konstantatos
Pubblicato in: ADVANCED OPTICAL MATERIALS, Numero 9, 2021, Pagina/e 2101378, ISSN 2195-1071
Editore: Wiley-Blackwell
DOI: 10.1002/adom.202101378

Size- and Temperature-Dependent Intraband Optical Properties of Heavily n-Doped PbS Colloidal Quantum Dot Solid-State Films

Autori: Iñigo Ramiro, Biswajit Kundu, Mariona Dalmases, Onur Özdemir, María Pedrosa, Gerasimos Konstantatos
Pubblicato in: ACS Nano, Numero 14/6, 2020, Pagina/e 7161-7169, ISSN 1936-0851
Editore: American Chemical Society
DOI: 10.1021/acsnano.0c02033

On-Demand Activation of Photochromic Nanoheaters for High Color Purity 3D Printing

Autori: Alexander W. Powell, Alexandros Stavrinadis, Sotirios Christodoulou, Romain Quidant, Gerasimos Konstantatos
Pubblicato in: Nano Letters, Numero 20/5, 2020, Pagina/e 3485-3491, ISSN 1530-6984
Editore: American Chemical Society
DOI: 10.1021/acs.nanolett.0c00414

Trap-State Suppression and Improved Charge Transport in PbS Quantum Dot Solar Cells with Synergistic Mixed-Ligand Treatments

Autori: Santanu Pradhan, Alexandros Stavrinadis, Shuchi Gupta, Yu Bi, Francesco Di Stasio, Gerasimos Konstantatos
Pubblicato in: Small, Numero 13/21, 2017, Pagina/e 1700598, ISSN 1613-6810
Editore: Wiley - V C H Verlag GmbbH & Co.
DOI: 10.1002/smll.201700598

Reducing Interface Recombination through Mixed Nanocrystal Interlayers in PbS Quantum Dot Solar Cells

Autori: Santanu Pradhan, Alexandros Stavrinadis, Shuchi Gupta, Gerasimos Konstantatos
Pubblicato in: ACS Applied Materials & Interfaces, Numero 9/33, 2017, Pagina/e 27390-27395, ISSN 1944-8244
Editore: American Chemical Society
DOI: 10.1021/acsami.7b08568

Suppressing Deep Traps in PbS Colloidal Quantum Dots via Facile Iodide Substitutional Doping for Solar Cells with Efficiency >10%

Autori: Alexandros Stavrinadis, Santanu Pradhan, Paris Papagiorgis, Grigorios Itskos, Gerasimos Konstantatos
Pubblicato in: ACS Energy Letters, Numero 2/4, 2017, Pagina/e 739-744, ISSN 2380-8195
Editore: ACS
DOI: 10.1021/acsenergylett.7b00091

Breaking the Open-Circuit Voltage Deficit Floor in PbS Quantum Dot Solar Cells through Synergistic Ligand and Architecture Engineering

Autori: Santanu Pradhan, Alexandros Stavrinadis, Shuchi Gupta, Sotirios Christodoulou, Gerasimos Konstantatos
Pubblicato in: ACS Energy Letters, Numero 2/6, 2017, Pagina/e 1444-1449, ISSN 2380-8195
Editore: ACS
DOI: 10.1021/acsenergylett.7b00244

Near-Unity Photoluminescence Quantum Yield in CsPbBr 3 Nanocrystal Solid-State Films via Postsynthesis Treatment with Lead Bromide

Autori: Francesco Di Stasio, Sotirios Christodoulou, Nengjie Huo, Gerasimos Konstantatos
Pubblicato in: Chemistry of Materials, Numero 29/18, 2017, Pagina/e 7663-7667, ISSN 0897-4756
Editore: American Chemical Society
DOI: 10.1021/acs.chemmater.7b02834

Low-temperature colloidal synthesis of CuBiS 2 nanocrystals for optoelectronic devices

Autori: Jian-Jun Wang, Mehmet Zafer Akgul, Yu Bi, Sotirios Christodoulou, Gerasimos Konstantatos
Pubblicato in: Journal of Materials Chemistry A, Numero 5/47, 2017, Pagina/e 24621-24625, ISSN 2050-7488
Editore: Royal Society of Chemistry
DOI: 10.1039/c7ta08078f

Matildite Contact with Media: First-Principles Study of AgBiS 2 Surfaces and Nanoparticle Morphology

Autori: Francesc Viñes, Gerasimos Konstantatos, Francesc Illas
Pubblicato in: The Journal of Physical Chemistry B, Numero 122/2, 2017, Pagina/e 521-526, ISSN 1520-6106
Editore: American Chemical Society
DOI: 10.1021/acs.jpcb.7b03967

Infrared Solution-Processed Quantum Dot Solar Cells Reaching External Quantum Efficiency of 80% at 1.35 µm and J sc in Excess of 34 mA cm −2

Autori: Yu Bi, Santanu Pradhan, Shuchi Gupta, Mehmet Zafer Akgul, Alexandros Stavrinadis, Gerasimos Konstantatos
Pubblicato in: Advanced Materials, Numero 30/7, 2018, Pagina/e 1704928, ISSN 0935-9648
Editore: United Nations Industrial Developement Organization
DOI: 10.1002/adma.201704928

Colloidal Quantum Dot Tandem Solar Cells Using Chemical Vapor Deposited Graphene as an Atomically Thin Intermediate Recombination Layer

Autori: Yu Bi, Santanu Pradhan, Mehmet Zafer Akgul, Shuchi Gupta, Alexandros Stavrinadis, Jianjun Wang, Gerasimos Konstantatos
Pubblicato in: ACS Energy Letters, Numero 3/7, 2018, Pagina/e 1753-1759, ISSN 2380-8195
Editore: ACS ENERGY LETTERS
DOI: 10.1021/acsenergylett.8b00675

High-Efficiency Light-Emitting Diodes Based on Formamidinium Lead Bromide Nanocrystals and Solution Processed Transport Layers

Autori: Francesco Di Stasio, Iñigo Ramiro, Yu Bi, Sotirios Christodoulou, Alexandros Stavrinadis, Gerasimos Konstantatos
Pubblicato in: Chemistry of Materials, Numero 30/18, 2018, Pagina/e 6231-6235, ISSN 0897-4756
Editore: American Chemical Society
DOI: 10.1021/acs.chemmater.8b03079

High-efficiency colloidal quantum dot infrared light-emitting diodes via engineering at the supra-nanocrystalline level

Autori: Santanu Pradhan, Francesco Di Stasio, Yu Bi, Shuchi Gupta, Sotirios Christodoulou, Alexandros Stavrinadis, Gerasimos Konstantatos
Pubblicato in: Nature Nanotechnology, Numero 14/1, 2019, Pagina/e 72-79, ISSN 1748-3387
Editore: Nature Publishing Group
DOI: 10.1038/s41565-018-0312-y

Solution processed infrared- and thermo-photovoltaics based on 0.7 eV bandgap PbS colloidal quantum dots

Autori: Yu Bi, Arnau Bertran, Shuchi Gupta, Iñigo Ramiro, Santanu Pradhan, Sotirios Christodoulou, Shanmukh-Naidu Majji, Mehmet Zafer Akgul, Gerasimos Konstantatos
Pubblicato in: Nanoscale, Numero 11/3, 2019, Pagina/e 838-843, ISSN 2040-3364
Editore: Royal Society of Chemistry
DOI: 10.1039/c8nr08755e

Origin of the Below-Bandgap Turn-On Voltage in Light-Emitting Diodes and the High V OC in Solar Cells Comprising Colloidal Quantum Dots with an Engineered Density of States

Autori: Santanu Pradhan, Mariona Dalmases, Gerasimos Konstantatos
Pubblicato in: The Journal of Physical Chemistry Letters, Numero 10/11, 2019, Pagina/e 3029-3034, ISSN 1948-7185
Editore: American Chemical Society
DOI: 10.1021/acs.jpclett.9b01154

High-Open-Circuit-Voltage Solar Cells Based on Bright Mixed-Halide CsPbBrI 2 Perovskite Nanocrystals Synthesized under Ambient Air Conditions

Autori: Sotirios Christodoulou, Francesco Di Stasio, Santanu Pradhan, Alexandros Stavrinadis, Gerasimos Konstantatos
Pubblicato in: The Journal of Physical Chemistry C, Numero 122/14, 2018, Pagina/e 7621-7626, ISSN 1932-7447
Editore: American Chemical Society
DOI: 10.1021/acs.jpcc.8b01264

Engineering Vacancies in Bi 2 S 3 yielding Sub‐Bandgap Photoresponse and Highly Sensitive Short‐Wave Infrared Photodetectors

Autori: Nengjie Huo, Alberto Figueroba, Yujue Yang, Sotirios Christodoulou, Alexandros Stavrinadis, César Magén, Gerasimos Konstantatos
Pubblicato in: Advanced Optical Materials, Numero 7/11, 2019, Pagina/e 1900258, ISSN 2195-1071
Editore: ADVANCED OPTICAL MATERIALS
DOI: 10.1002/adom.201900258

Recent Progress and Future Prospects of 2D-Based Photodetectors

Autori: Nengjie Huo, Gerasimos Konstantatos
Pubblicato in: Advanced Materials, Numero 30/51, 2018, Pagina/e 1801164, ISSN 0935-9648
Editore: United Nations Industrial Developement Organization
DOI: 10.1002/adma.201801164

Mid- and Long-Wave Infrared Optoelectronics via Intraband Transitions in PbS Colloidal Quantum Dots

Autori: Iñigo Ramiro, Onur Özdemir, Sotirios Christodoulou, Shuchi Gupta, Mariona Dalmases, Iacopo Torre, Gerasimos Konstantatos
Pubblicato in: Nano Letters, Numero 20/2, 2019, Pagina/e 1003-1008, ISSN 1530-6984
Editore: American Chemical Society
DOI: 10.1021/acs.nanolett.9b04130

Ag 2 ZnSnS 4 Nanocrystals Expand the Availability of RoHS Compliant Colloidal Quantum Dots

Autori: Avijit Saha, Alberto Figueroba, Gerasimos Konstantatos
Pubblicato in: Chemistry of Materials, Numero 32/5, 2020, Pagina/e 2148-2155, ISSN 0897-4756
Editore: American Chemical Society
DOI: 10.1021/acs.chemmater.9b05370

High Sensitivity Hybrid PbS CQD-TMDC Photodetectors up to 2 μm

Autori: Onur Özdemir, Iñigo Ramiro, Shuchi Gupta, Gerasimos Konstantatos
Pubblicato in: ACS Photonics, Numero 6/10, 2019, Pagina/e 2381-2386, ISSN 2330-4022
Editore: American Chemical Society
DOI: 10.1021/acsphotonics.9b00870

Low-Cost RoHS Compliant Solution Processed Photovoltaics Enabled by Ambient Condition Synthesis of AgBiS 2 Nanocrystals

Autori: M. Zafer Akgul, Alberto Figueroba, Santanu Pradhan, Yu Bi, Gerasimos Konstantatos
Pubblicato in: ACS Photonics, Numero 7/3, 2020, Pagina/e 588-595, ISSN 2330-4022
Editore: American Chemical Society
DOI: 10.1021/acsphotonics.9b01757

Mixed AgBiS2 nanocrystals for photovoltaics and photodetectors

Autori: Ignasi Burgués-Ceballos, Yongjie Wang, Gerasimos Konstantatos
Pubblicato in: Nanoscale, 2022, ISSN 2040-3364
Editore: Royal Society of Chemistry
DOI: 10.1039/d2nr00589a

Solid‐State Thin‐Film Broadband Short‐Wave Infrared Light Emitters

Autori: Santanu Pradhan, Mariona Dalmases, Gerasimos Konstantatos
Pubblicato in: Advanced Materials, Numero 32/45, 2020, Pagina/e 2003830, ISSN 0935-9648
Editore: United Nations Industrial Developement Organization
DOI: 10.1002/adma.202003830

Colloidal AgBiS2 nanocrystals with reduced recombination yield 6.4% power conversion efficiency in solution-processed solar cells

Autori: Ignasi Burgués-Ceballos, Yongjie Wang, M. Zafer Akgul, Gerasimos Konstantatos
Pubblicato in: Nano Energy, Numero 75, 2020, Pagina/e 104961, ISSN 2211-2855
Editore: Elsevier BV
DOI: 10.1016/j.nanoen.2020.104961

AgBiSe 2 Colloidal Nanocrystals for Use in Solar Cells

Autori: M. Zafer Akgul, Gerasimos Konstantatos
Pubblicato in: ACS Applied Nano Materials, Numero 4/3, 2021, Pagina/e 2887-2894, ISSN 2574-0970
Editore: American Chemical Society
DOI: 10.1021/acsanm.1c00048

Cation disorder engineering yields AgBiS2 nanocrystals with enhanced optical absorption for efficient ultrathin solar cells

Autori: Yongjie Wang, Seán R. Kavanagh, Ignasi Burgués-Ceballos, Aron Walsh, David O. Scanlon & Gerasimos Konstantatos
Pubblicato in: Nature Photonics, Numero 16, 2022, Pagina/e 235, ISSN 1749-4893
Editore: Springer Nature
DOI: 10.1038/s41566-021-00950-4

Visible-Blind ZnMgO Colloidal Quantum Dot Downconverters Expand Silicon CMOS Sensors Spectral Coverage into Ultraviolet and Enable UV-Band Discrimination

Autori: Avijit Saha,Gaurav Kumar,Santanu Pradhan,Gauttam Dash,Ranjani Viswanatha,Gerasimos Konstantatos
Pubblicato in: ADVANCED MATERIALS, 2022, Pagina/e 2109498, ISSN 0935-9648
Editore: United Nations Industrial Developement Organization
DOI: 10.1002/adma.202109498

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