Towards efficient and stable perovskite solar cells employing non-hygroscopic F4-TCNQ doped TFB as the hole-transporting material

Nanoscale ◽  
2019 ◽  
Vol 11 (41) ◽  
pp. 19586-19594 ◽  
Author(s):  
Hannah Kwon ◽  
Ju Won Lim ◽  
Jinyoung Han ◽  
Li Na Quan ◽  
Dawoon Kim ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Hole Transport ◽  
Transport Layer ◽  
Hole Transport Layer ◽  
Inorganic Perovskite ◽  
Hole Transporting ◽  
Hole Transporting Material

Designing an efficient and stable hole transport layer (HTL) material is one of the essential ways to improve the performance of organic–inorganic perovskite solar cells (PSCs).

Spiro-tBuBED: a new derivative of a spirobifluorene-based hole-transporting material for efficient perovskite solar cells

2019 ◽  
Vol 7 (11) ◽  
pp. 5934-5937 ◽  
Author(s):  
Po-Han Lin ◽  
Kun-Mu Lee ◽  
Chang-Chieh Ting ◽  
Ching-Yuan Liu
Keyword(s):  
Solar Cells ◽  
Oxidation Process ◽  
Perovskite Solar Cells ◽  
Hole Transport ◽  
Transport Layer ◽  
Hole Transport Layer ◽  
Hole Transporting ◽  
Hole Transporting Material

Perovskite solar cells using a new spirobifluorene core-based oligoaryl as the hole-transport layer display 18.6% efficiency without any device oxidation process.

An integrated organic–inorganic hole transport layer for efficient and stable perovskite solar cells

2018 ◽  
Vol 6 (5) ◽  
pp. 2157-2165 ◽  
Author(s):  
Yaxiong Guo ◽  
Hongwei Lei ◽  
Liangbin Xiong ◽  
Borui Li ◽  
Guojia Fang
Keyword(s):  
Solar Cells ◽  
Conjugated Polymer ◽  
Perovskite Solar Cells ◽  
Hole Transport ◽  
Transport Layer ◽  
Hole Transport Layer ◽  
Hole Transporting ◽  
Hole Transporting Materials

Conjugated polymer FBT-Th4 and evaporation deposited CuxO integrated hole transporting materials have been fabricated for efficient and stable perovskite solar cells.

scholarly journals A Solution-Processed Tetra-Alkoxylated Zinc Phthalocyanine as Hole Transporting Material for Emerging Photovoltaic Technologies

2018 ◽  
Vol 2018 ◽  
pp. 1-9
Author(s):  
Gloria Zanotti ◽  
Giuseppe Mattioli ◽  
Anna Maria Paoletti ◽  
Giovanna Pennesi ◽  
Daniela Caschera ◽  
...  
Keyword(s):  
Perovskite Solar Cells ◽  
Single Step ◽  
Hole Transport ◽  
Transport Layer ◽  
Zinc Phthalocyanine ◽  
Hole Transport Layer ◽  
Solution Processed ◽  
Ab Initio Simulations ◽  
Hole Transporting ◽  
Hole Transporting Material

A tetra-n-butoxy zinc phthalocyanine (n-BuO)4ZnPc has been synthesized in a single step, starting from commercial precursors, and easily purified. The molecule can be solution processed to form an effective and inexpensive hole transport layer for organic and perovskite solar cells. These appealing features are suggested by the results of a series of chemical, optical, and voltammetric characterizations of the molecule, supported by the results of ab initio simulations. Preliminary measurements of (n-BuO)4ZnPc-methylammonium lead triiodide perovskite-based devices confirm such suggestion and indicate that the interface between the photoactive layer and the hole transporting layer is characterized by hole-extracting and electron-blocking properties, potentially competitive with those of other standards de facto in the field of organic hole transport materials, like the expensive Spiro-OMeTAD.

Efficient and carbon-based hole transport layer-free CsPbI2Br planar perovskite solar cells using PMMA modification

2019 ◽  
Vol 7 (13) ◽  
pp. 3852-3861 ◽  
Author(s):  
Xiang Zhang ◽  
Yang Zhou ◽  
Yuzhu Li ◽  
Jiawen Sun ◽  
Xubing Lu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Simple Structure ◽  
Perovskite Solar Cells ◽  
Hole Transport ◽  
Transport Layer ◽  
Hole Transport Layer ◽  
Inorganic Perovskite ◽  
Carbon Based

In this work, planar inorganic perovskite solar cells (PSCs) with the simple structure of glass/ITO/SnO2/CsPbI2Br/C have been fabricated.

scholarly journals All-Inorganic Perovskite Solar Cells Based on CsPbIBr2 and Metal Oxide Transport Layers with Improved Stability

Nanomaterials ◽  
2019 ◽  
Vol 9 (12) ◽  
pp. 1666 ◽  
Author(s):  
Jien Yang ◽  
Qiong Zhang ◽  
Jinjin Xu ◽  
Hairui Liu ◽  
Ruiping Qin ◽  
...  
Keyword(s):  
Solar Cells ◽  
Thermal Environment ◽  
Perovskite Solar Cells ◽  
Ambient Air ◽  
Hole Transport ◽  
Transport Layer ◽  
Commercial Application ◽  
Electron Transport Layer ◽  
Hole Transport Layer ◽  
Inorganic Perovskite

Despite the successful improvement in the power conversion efficiency (PCE) of perovskite solar cells (PSCs), the issue of instability is still a serious challenge for their commercial application. The issue of the PSCs mainly originates from the decomposition of the organic–inorganic hybrid perovskite materials, which will degrade upon humidity and suffer from the thermal environment. In addition, the charge transport layers also influence the stability of the whole devices. In this study, inorganic transport layers are utilized in an inverted structure of PSCs employing CsPbIBr2 as light absorbent layer, in which nickel oxide (NiOx) and cerium oxide (CeOx) films are applied as the hole transport layer (HTL) and the electron transport layer (ETL), respectively. The inorganic transport layers are expected to protect the CsPbIBr2 film from the contact of moisture and react with the metal electrode, thus preventing degradation. The PSC with all inorganic components, inorganic perovskite and inorganic transport layers demonstrates an initial PCE of 5.60% and retains 5.56% after 600 s in ambient air at maximum power point tracking.

scholarly journals Effect of V-Incorporated NiO Hole Transport Layer on the Performance of Inverted Perovskite Solar Cells

2020 ◽  
Vol 4 (1) ◽  
pp. 21
Author(s):  
Ashique Kotta ◽  
Hyung-Kee Seo
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Power Conversion Efficiency ◽  
Power Conversion ◽  
Perovskite Solar Cells ◽  
Hole Transport ◽  
Transport Layer ◽  
Hole Transport Layer ◽  
Hole Transporting ◽  
P Type

Organic–inorganic hybrid perovskite solar cells have resulted in tremendous interest in developing future generation solar cells, due to their high efficiency exceeding 25%. For inverted type perovskite solar cells, the hole transporting layer plays a crucial role in improving the efficiency and stability of the perovskite solar cells by modifying band alignment, electric conductivity, and interfacial recombination losses. Here, vanadium doped NiO is selected as a hole transporting layer to study the impact of V dopant on the optoelectronic properties of NiO and photovoltaic performance. The prepared materials are characterized using XRD, SEM, TEM, and XPS. A TEM micrograph confirms that p-type materials have a small spherical dot structure. The V-doped NiO, used as a hole-extraction layer, can be prepared by a simple solvothermal decomposition method. The presence of V in the NiO layer has an influence on the conductivity of the NiO layer. Besides, synthesized p-type material can be used to fabricate a relatively low processing temperature, and has the advantage of a wide choice of transparent conductive oxide substrate. As a result, an inverted type planar perovskite solar cell incorporating of vanadium in NiO hole-transport layer improves the power conversion efficiency. The photovoltaic property of the prepared solar cell is measured under AM 1.5 G simulated light. The photocurrent density is 21.09 mA/cm2, open-circuit voltage is 1.04 V, and the fill factor is 0.63. As a result, the overall power conversion efficiency reaches 13.82%.

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