Publication

Copper sulfide nanoparticles as hole-transporting-material in a fully-inorganic blocking layers n-i-p perovskite solar cells: Application and working insights

Related publications (90)

Giant Exciton Mott Density in Anatase TiO2

Majed Chergui, Edoardo Baldini, Tania Palmieri

Elucidating the carrier density at which strongly bound excitons dissociate into a plasma of uncorrelated electron-hole pairs is a central topic in the many-body physics of semiconductors. However, there is a lack of information on the high-density respons ...

2020

Ba-induced phase segregation and band gap reduction in mixed-halide inorganic perovskite solar cells

Michael Graetzel, David Lyndon Emsley, Wolfgang Richard Tress, Ulf Anders Hagfeldt, Jingshan Luo, Dominik Józef Kubicki, Jiahuan Zhang, Zaiwei Wang, Albert Hofstetter, Wanchun Xiang, Xiaoyan Wang, Xiaoyu Wang

All-inorganic metal halide perovskites are showing promising development towards efficient long-term stable materials and solar cells. Element doping, especially on the lead site, has been proved to be a useful strategy to obtain the desired film quality a ...

2019

Saddle-like, π-conjugated, cyclooctatetrathiophene-based, hole-transporting material for perovskite solar cells

Mohammad Khaja Nazeeruddin, Iwan Zimmermann, Giulia Grancini, Inés Garcia Benito, Javier Urieta Mora

A flexible, saddle-like, π-conjugated skeleton composed of four fused thiophene rings forming a cyclooctatetrathiophene (CoTh) with four triphenylamines (CoTh-TTPA) is presented as a hole-transporting material (HTM) for perovskite solar cells. The new HTM ...

2019

Hot Carrier Mobility Dynamics Unravel Competing Sub-ps Cooling Processes in Lead Halide Perovskites

Jacques-Edouard Moser, Andrés Burgos Caminal, Arun Aby Paraecattil, Juan Manuel Moreno Naranjo, Aurélien René Willauer

The outstanding photovoltaic performances of lead halide perovskite (LHP) thin film solar cells are due in particular to the large diffusion length of photocarriers. The mechanism behind this property and its dependence on the various anions and cations in ...

2019

Multiarm and Substituent Effects on Charge Transport of Organic Hole Transport Materials

Mohammad Khaja Nazeeruddin, Kevin Sivula, Liang Yao, Antonio Prlj, Kun-Han Lin, Nikita Drigo, Han-Hee Cho

We explore several potential dopant-free triphenylamine-based hole transport materials for perovskite solar cells by combining two design strategies: (1) incorporation of multiple arms for mobility enhancement and (2) including Lewis bases that assist in d ...

2019

Non‐Planar and Flexible Hole‐Transporting Materials from Bis‐Xanthene and Bis‐Thioxanthene Units for Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Iwan Zimmermann, Giulia Grancini

Two new hole‐transporting materials (HTMs), BX‐OMeTAD and BTX‐OMeTAD , based on xanthene and thioxanthene units, respectively, and bearing p ‐methoxydiphenylamine peripheral groups, are presented for their use in perovskite solar cells (PSCs). The novelty ...

2019

Indeno[1,2-b]carbazole as Methoxy-Free Donor Group: Constructing Efficient and Stable Hole-Transporting Materials for Perovskite Solar Cells

Ulf Anders Hagfeldt, Yinghui Wu, Zhiye Wang, Zhe Sun, Jialin Wang, Han Zhang

With perovskite-based solar cells (PSCs) now reaching efficiencies of greater than 20 %, the stability of PSC devices has become a critical challenge for commercialization. However, most efficient hole-transporting materials (HTMs) thus far still rely on t ...

WILEY-V C H VERLAG GMBH2019

Application of a Tetra-TPD-Type Hole-Transporting Material Fused by a Troger's Base Core in Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Zhaofu Fei, Cristina Roldán Carmona, Rui Xia

One of the obstacles to the commercialization of perovskite solar cells (PSCs) is the high price and morphological instability of the most common hole-transporting material (HTM) Spiro-OMeTAD. Herein, a novel HTM, termed V1160, based on four N,N '-bis(3-me ...

WILEY-V C H VERLAG GMBH2019

Charge extraction via graded doping of hole transport layers gives highly luminescent and stable metal halide perovskite devices

Michael Graetzel, Mohammad Ibrahim Dar, Mojtaba Abdi Jalebi, Zahra Andaji Garmaroudi

One source of instability in perovskite solar cells (PSCs) is interfacial defects, particularly those that exist between the perovskite and the hole transport layer (HTL). We demonstrate that thermally evaporated dopant-free tetra-cene (120 nm) on top of t ...

American Association for the Advancement of Science (AAAS)2019

Stable perovskite solar cells using thiazolo [5,4-d]thiazole-core containing hole transporting material

Mohammad Khaja Nazeeruddin

This work explains the synthesis of an efficient organic hole transporting material based on 4,4'-(5,5'-(thiazolo [5,4-d] thiazole-2,5-diyl) bis(furan-5,2-diyl)) bis(N, N-diphenylaniline) (TP-FTzF-TP) and the replacement of poly (3,4-ethylenedio-xythiophen ...

ELSEVIER SCIENCE BV2018

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