Publications associées à Three-Dimensionally Enlarged Photoelectrodes by a Protogenetic Inclusion of Vertically Aligned Carbon Nanotubes into CH3NH3PbBr3 Single Crystals

Publications associées (35)

Bioengineering DNA for Carbon Nanotube Sensors

Ardemis Anoush Boghossian, Sara Behjati, Yahya Rabbani

Single-walled carbon nanotubes (SWCNTs) generate near-infrared fluorescence that is useful for biomedical and environmental optical sensing. They can be colloidally suspended by π-electron-rich biopolymers like DNA that self-assemble onto their surfaces. T ...

World Scientific2025

Melt-extruded light-responsive amphibious liquid crystal elastomer fibers with reprogrammable actuation modes

Fabien Sorin

Untethered liquid crystal elastomer (LCE) fiber actuators are promising candidates for soft actuators due to their analogies to biological muscles. However, most LCE fiber actuators are difficult to (re)program and primarily only work in air, which signifi ...

2025

Continuous production prototype for scaling up of graphene oxide/carbon nanotube composite synthesis towards efficient hydrogen storage

Andreas Züttel, Yudong Xue, Yunting Wang

A continuous production prototype for scaling up the synthesis of a graphene oxide/multi-walled carbon nanotubes (GO/MWCNTs) composite as a hydrogen storage material has been proposed in this study. This prototype consists of an automatic feeding and mixin ...

2024

Ink-Based CuIn0.3Ga0.7S2 Nanocrystal Thin Films as Photocathodes for Photoelectrochemical CO2 Reduction Reaction

Kevin Sivula, Jun Ho Yum, Nestor Guijarro Carratala

One of the promising methods to solve the current energyand environmentissues is photoelectrochemical (PEC) water splitting and CO2 reduction reaction. Chalcopyrite copper indium gallium sulfide (CIGS)and CuIn0.3Ga0.7S2 nanocrystal thinfilms have been cons ...

AMER CHEMICAL SOC2023

Semiconductor-based device architectures in multimaterial fibers

William Nicolas Duncan Esposito

Semiconductor materials have given rise to today's digital technology and consumer electronics. Widespread adoption is closely linked to the ability to process and integrate them in devices at scale. Where flexibility and large surfaces are required, such ...

EPFL2023

Optical detection of charge dynamics in CH3NH3PbI3/carbon nanotube composites

László Forró, Bálint Náfrádi, Endre Horvath, Márton Kollár, Pavao Roko Andricevic

We have investigated the optical absorption of metallic and semiconducting carbon nanotubes/CH3NH3PbI3 micro- and nanowire composites. Upon visible light illumination semiconducting carbon nanotube based samples show a photo-induced doping, originating fro ...

2017

High Temperature-Stable Perovskite Solar Cell Based on Low-Cost Carbon Nanotube Hole Contact

Michael Graetzel, Ulf Anders Hagfeldt, Wolfgang Richard Tress, Michael Saliba, Antonio Abate, Juan-Pablo Correa-Baena, Konrad Domanski

Mixed ion perovskite solar cells (PSC) are manufactured with a metal-free hole contact based on press-transferred single-walled carbon nanotube (SWCNT) film infiltrated with 2,2,7,-7-tetrakis(N, N-di-p-methoxyphenylamine)-9,90-spirobifluorene (Spiro-OMeTAD ...

Wiley-Blackwell2017

Interface connection of functionalized carbon nanotubes for efficient and stable perovskite solar cells

Mohammad Khaja Nazeeruddin, Jianxing Xia

The ionic defects of hetero-junction interfaces always attract and trap carriers via surface electrostatic forces, which are crucial for the efficiency and intrinsic stability of perovskite solar cells (PSCs). Herein, functionalized carbon nanotubes (CNTs) ...

Royal Society of Chemistry2023

Unveiling the Concentration-Dependent Grain Growth of Perovskite Films from One- and Two-Step Deposition Methods: Implications for Photovoltaic Application

Mohammad Khaja Nazeeruddin, Yi Zhang, Peng Gao

In order to achieve high-efficiency perovskite solar cells, understanding both the crystal structure and the optoelectronic properties of perovskite layers is of importance. This paper uses crystallization analysis and the modeling study of two different p ...

Amer Chemical Soc2017

Ultrasensitive 1D field-effect phototransistors: CH3NH3PbI3 nanowire sensitized individual carbon nanotubes

László Forró, Bálint Náfrádi, Endre Horvath, Richard Gaal, Massimo Spina

Field-effect phototransistors were fabricated based on individual carbon nanotubes (CNTs) sensitized by CH3NH3PbI3 nanowires (MAPbI(3)NWs). These devices represent light responsivities of R = 7.7 x 10(5) A W-1 under low-lighting conditions in the nW mm(-2) ...

2016

Bottom up fabrication of (9,0) zigzag and (6,6) armchair carbon nanotube end-caps on the Rh(111) surface

Klaus Kern, Stephan Rauschenbach

The exploration and wide application of single walled carbon nanotubes (SWCNTs) require the development of new synthetic approaches enabling facile and fully rational CNT fabrication. In this communication the conversion of two precursors yielding the pote ...

Pergamon-Elsevier Science Ltd2015

“Forbidden” Polarisation and Extraordinary Piezoelectric Effect in Organometallic Lead Halide Perovskites

László Forró, Dragan Damjanovic, Endre Horvath, Márton Kollár, Lukas Riemer, Milica Vasiljevic

Organometallic lead halide perovskites are highly efficient materials for solar cells and other optoelectronic applications due to their high quantum efficiency and exceptional semiconducting properties. A peculiarity of these perovskites is the substantia ...

2022

Plasmon-induced near-infrared fluorescence enhancement of single-walled carbon nanotubes

Giulia Tagliabue, Ardemis Anoush Boghossian, Shang-Jung Wu, Alessandra Antonucci, Theodoros Tsoulos, Amirmostafa Amirjani, Sayyed Hashem Sajjadi

Single-walled carbon nanotubes (SWCNTs) emit near-infrared (NIR) fluorescence that is ideal for optical sensing. However, the low quantum yields diminish the sensor’s signal-to-noise ratio and limits the penetration depths for in vivo measurements. In this ...

2022

Hybrid Halide Perovskite Nanostructures : beyond Photovoltaics

Massimo Spina

Hybrid organometallic halide perovskites have been intensively investigated in the past few years, especially the CH3NH3PbI3, as highly efficient light harvesters for various optoelectronic application both for sensing and emitting light. However, despite ...

EPFL2015

Perovskite Solar Cells with Carbon-Based Electrodes - Quantification of Losses and Strategies to Overcome Them

Ulf Anders Hagfeldt, Bowen Yang, Jiajia Suo

Carbon-based electrodes represent a promising approach to improve stability and up-scalability of perovskite photovoltaics. The temperature at which these contacts are processed defines the absorber grain size of the perovskite solar cell: in cells with lo ...

WILEY-V C H VERLAG GMBH2022

Functionalized Carbon Nanostructures from Oligoyne Carboxylates

Stephen Schrettl

Functional nanostructured carbon materials, including two-dimensionally extended nanosheets, offer intriguing perspectives for applications in emerging technologies such as hydrogen storage, lithium storage, transition metal free catalysis, or solar abso ...

EPFL2014

A Multi-Step Single-Crystal-to-Single-Crystal Bromodiacetylene Dimerization

Rosario Scopelliti, Anne-Clémence Corminboeuf, Andrzej Sienkiewicz, Holger Frauenrath, Stephen Schrettl, Roman Niklaus Marty, Tobias Hoheisel, Tanya Kumanova Yordanova

Packing constraints and precise placement of functional groups are the reason that organic molecules in the crystalline state often display unusual physical or chemical properties not observed in solution. Here we report a single-crystal-to-single-crystal ...

Nature Publishing Group2013

Preparation and characterization of multiwalled carbon nanotube/In2O3 composites

László Forró, Arnaud Magrez

We have prepared multiwalled carbon nanotube (MWCNT)/In2O3 composites using a simple impregnation method. The precursor compound indium(III) chloride (InCl3) was used to cover the surface of MWCNTs and distilled water was used as solvent. The applied mass ...

Pergamon-Elsevier Science Ltd2013

Rapid hybrid perovskite film crystallization from solution

Ulf Anders Hagfeldt, Nikolaos Vlachopoulos, Lukas Pfeifer, Sandy Sanchez Alonso

The use of a solution process to grow perovskite thin films allows to extend the material processability. It is known that the physicochemical properties of the perovskite material can be tuned by altering the solution precursors as well as by controlling ...

Royal Society of Chemistry2021

Novel photoelectric material of perovskite-like (CH3)(3)SPbI3 nanorod arrays with high stability

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Wei Liu

Organometallic halide perovskite materials make great achievements in optoelectronic fields, especially in solar cells, in which the organic cations contain amine components. However, the amine with N-H bonds is easily hydrolyzed with moisture in the air, ...

2021