Efficient Perovskite Solar Cells Based on a Solution Processable Nickel(II) Phthalocyanine and Vanadium Oxide Integrated Hole Transport Layer

Cheng, Ming; Li, Yuanyuan; Safdari, Majid; Chen, Cheng; Liu, Peng; Kloo, Lars; Sun, Licheng

doi:10.1002/aenm.201602556

Cited by 117 publications

(89 citation statements)

References 30 publications

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“…Optimized PSC based on pristine CuPc‐TIPS showed an efficiency of 14.0%, together with long‐term stability. Efficient PSCs with good stability under dark ambient conditions have been reported in a research carried out by Cheng et al using an organic–inorganic integrated hole transport layer composed of the solution‐processable nickel phthalocyanine (NiPc‐(OBu) 8 ) ( 124 ) and vanadium (V) oxide (V 2 O 5 ) . The optimized NiPc‐(OBu) 8 /V 2 O 5 integrated HTL based PSCs displayed an impressive average PCE of 17.6%.…”

Section: Dopant‐free Hole Transporting Materials For Pscsmentioning

confidence: 98%

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Dopant‐Free Hole Transporting Materials for Perovskite Solar Cells

Rezaee

Liu

et al. 2018

Solar RRL

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This article reviews various dopant-free hole transporting materials (HTMs) used in perovskite solar cells (PSCs) in three main categories including inorganic, polymeric, and small molecule HTMs. PSCs have undergone rapid progress, achieving power conversion efficiencies (PCEs) above 22%. With their low production cost and high efficiencies, PSCs are considered promising next-generation solar cell technology. In all developed architectures for PSCs, including planar and mesoscopic with conventional and inverted structures, HTMs play a significant role in determining the photovoltaic performance of PSCs. Using p-type dopants, however, is considered a common strategy to increase the hole conductivity of HTM, which is usually compensated by a more complicated fabrication procedure, higher production costs, and lower stability of PSC. Although several reviews on HTMs have been published, progress on dopant free HTMs needs to be reviewed and analyzed. Here, a review covering most of the published reports on dopantfree HTMs is presented, and the device structure and fabrication method, HTM layer deposition techniques, and the efficiency and the stability of PSCs are addressed during discussions in each main category. Finally, an outlook on stability and PCE growth in PSCs based on dopant-free HTMs is presented.

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Section: Dopant‐free Hole Transporting Materials For Pscsmentioning

confidence: 98%

Section: Dopant‐free Hole Transporting Materials For Pscsmentioning

confidence: 99%

Dopant‐Free Hole Transporting Materials for Perovskite Solar Cells

Rezaee

Liu

et al. 2018

Solar RRL

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“…They fabricated V 2 O 5 film via the spin‐casting method and subsequently annealed the film at 120 °C for 10 min to obtain uniform coverage. The deposition of V 2 O 5 on NiPc improved the charge extraction ability and thus enhanced the PCE from 10.6% to 18.3% compared to devices without V 2 O 5 …”

Section: Inorganic Hole Transporting Materials In Pscsmentioning

confidence: 99%

A Review of Inorganic Hole Transport Materials for Perovskite Solar Cells

Kung

Lin

et al. 2018

Adv Materials Inter

240

123

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IntroductionIn recent decades, the world has come to a consensus that new green energy sources are vital for sustainable development. Solar energy has been regarded as an alternative source of energy supply. Photovoltaic (PV) technology has progressed for decades with massive efforts devoted. Alternative technologies for photon to electron power conversion include, for instance, This review presents various hole transport layers (HTLs) employed in perovskite solar cells (PSCs) in pursuing high power conversion efficiency (PCE) and functional stability. The PSCs have achieved high PCE (over 23%, certified by NREL) and more efforts have been devoted into research for stability enhancement. Inorganic HTLs become a popular choice as selective contact materials because of their intrinsic chemical stability and low cost. HTLs and electron transport layers (ETLs) are critical components of PSCs due to the requirement to create charge collection selectivity. Herein the authors provide an overview on inorganic HTLs synthesis, properties, and their application in various PSCs for both mesoporous and planar architectures. InorganicHTLs with appropriate properties, such as proper energy level and high carrier mobility, can not only assist with charge transport, but also improve the stability of PSCs under ambient conditions. The importance of interfacial chemistry and interfacial charge transport is further addressed to understand the underlying mechanism of related degradation and carrier dynamic. It is expected that the success of the inorganic HTL in PSCs can stimulate further research and bring real impact for future photovoltaic technologies.The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/admi.201800882. super-mesostructure Al 2 O 3 scaffold, achieving a PCE above 9% [6] and 10%, [7] respectively.

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“…In DSCs, Pt in counter electrodes is responsible for a large portion of manufacturing costs. Transition metal compounds with nanoarchitectures (i.e., large surface area) have shown Pt-like performance in DSCs, [34][35][36][37][38][39][40][41][42][43][44][45] and Cu compounds such as CuI [46] and CuSCN [47][48][49] and a number of oxides [50][51][52][53] and sulfides [54,55] manifested decent performance in PSCs. [30,31] Meanwhile, state-of-the-art organic hole transport materials used in PSCs are either costly or unfavorable for long-term operations.…”

Section: Introductionmentioning

confidence: 99%

Room‐Temperature Vapor Deposition of Cobalt Nitride Nanofilms for Mesoscopic and Perovskite Solar Cells

Kang

Kim²,

Yoon

et al. 2018

Advanced Energy Materials

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Organic/inorganic hybrid solar cells, typically mesoscopic and perovskite solar cells, are regarded as promising candidates to replace conventional silicon or thin film photovoltaics. There have been intensive investigations on the development of advanced materials for improved power conversion efficiencies, however, economical feasibilities and reliabilities of the organic/ inorganic photovoltaics are yet to reach at a sufficient level for practical utilizations. In this study, cobalt nitride (CoN) nanofilms prepared by roomtemperature vapor deposition in an inert N 2 atmosphere, which is a facile and highly reproducible procedure, are proposed as a low-cost counter electrode in mesoscopic dye-sensitized solar cells (DSCs) and a hole transport material in inverted planar perovskite solar cells (PSCs) for the first time. The CoN film successfully replaces conventional Pt in DSCs, resulting in a power conversion efficiency comparable to the ones based on Pt. In addition, PSCs employing the CoN manifest high efficiency even up to 15.0%, which is comparable to state-of-the-art performance in the cases of PSCs employing inorganic hole transporters. Furthermore, flexible solar cell applications of the CoN are performed in both mesoscopic and perovskite solar cells, verifying the advantages of the room-temperature deposition process and feasibilities of the CoN nanofilms in various fields.

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Efficient Perovskite Solar Cells Based on a Solution Processable Nickel(II) Phthalocyanine and Vanadium Oxide Integrated Hole Transport Layer

Cited by 117 publications

References 30 publications

Dopant‐Free Hole Transporting Materials for Perovskite Solar Cells

Dopant‐Free Hole Transporting Materials for Perovskite Solar Cells

A Review of Inorganic Hole Transport Materials for Perovskite Solar Cells

Room‐Temperature Vapor Deposition of Cobalt Nitride Nanofilms for Mesoscopic and Perovskite Solar Cells

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