Spiro-OMeTAD or CuSCN as a preferable hole transport material for carbon-based planar perovskite solar cells

Yang, Yang; Hoang, Minh Tam; Yao, Disheng; Pham, Ngoc Duy; Tiong, Vincent Tiing; Wang, Xiaoxiang; Wang, Hongxia

doi:10.1039/d0ta03951a

Cited by 81 publications

(49 citation statements)

References 46 publications

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“…46,47 Then, we selected CuSCN and NiOx, for which the application in perovskite have been demonstrated by many groups. [48][49][50][51][52][53][54] Finally, as BCL material-that usually is evaporated-we assumed Al with a MoOx interface layer, 1,55 and also Ag for comparisons; both options are currently used in perovskite…”

Section: Single-junction Perovskite Architecturesmentioning

confidence: 99%

Life cycle energy demand and carbon emissions of scalable single‐junction and tandem perovskite PV

Leccisi

Fthenakis

2021

Progress in Photovoltaics

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Perovskite photovoltaics reached record efficiencies in the laboratory, and if sustainably commercialized, they would accelerate a green energy transition. This article presents the development of life cycle inventory material and energy databases of four most promising single-junction and three tandem scalable perovskite systems with assumptions regarding scalable production validated by industry experts. We conducted comprehensive "ex ante" life cycle analysis (LCA) and net energy analysis, analyzing their cumulative energy demand, global warming potential profiles, energy payback times, and energy return on investment (EROI). LCA contribution analysis elucidates the most impactful material and process choices. It shows that solutionbased perovskite manufacturing would have lower environmental impact than vaporbased methods, and that roll-to-roll (RtR) printing offers the lowest impact. Among material choices, MoOx/Al has lower impact than Ag, and fluorine-tin-oxide lower than indium-tin-oxide. Furthermore, we compare perovskites with commercial crystalline-silicon and thin-film PV, accounting for the most recent developments in crystalline-Si wafer production and differences in life expectancies and efficiencies. It is shown that perovskite systems produced with RtR manufacturing could reach in only 12 years of life, the same EROI as that of single-crystalline-Si PV lasting 30 years. This work lays a foundation for sustainability investigations of perovskite large-scale deployment.

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Section: Single-junction Perovskite Architecturesmentioning

confidence: 99%

Life cycle energy demand and carbon emissions of scalable single‐junction and tandem perovskite PV

Leccisi

Fthenakis

2021

Progress in Photovoltaics

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“…[ 28 ] For the hole transport materials, CuSCN and Cu 2 O were selected as representatives of inorganic HTL materials. In particular, CuSCN, when used in a solar cell device, results in a more compact structure that enhances stability, it is cheap and has a desirable band alignment with the perovskite absorber, and can quickly be processed via solution methods, it has high optical transparency, and relatively high hole mobilities of about 0.01–0.1 cm 2 V −1 s −1 [ 31,32 ] while maintaining a high PCE. Similarly, Cu 2 O has better band alignment with the perovskite, high hole mobilities (about 80 cm 2 V −1 s −1 ), [ 19 ] is solution‐processable and has high optical transparency.…”

Section: Numerical Simulation Methodologymentioning

confidence: 99%

Optimization of Hole Transport Layer Materials for a Lead‐Free Perovskite Solar Cell Based on Formamidinium Tin Iodide

et al. 2021

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Recently, lead‐based perovskite solar cells have been mainly studied; however, these cells suffer from two main problems: the toxicity of lead and the instability of the devices, which limit their commercialization. Herein, a theoretical investigation of a lead‐free perovskite solar cell based on formamidinium tin iodide (HC(NH2)2SnI3) with the general architecture: glass/FTO/WS2/HC(NH2)2SnI3/HTL/Au is reported. All calculations are performed with the SCAPS‐1D solar cell simulator. Two inorganic (CuSCN and Cu2O) and two organic (P3HT and D‐PBTTT‐14) hole transport layer (HTL) materials are tested in this model. The effect of the external operating temperature and different metal work functions of the back contact of the cell on the overall performance of the devices is also studied. Simulations showed that, with the introduction of CuSCN, Cu2O, and P3HT as HTLs, the device can attain a remarkable efficiency of ≈21%. All the modeled devices showed remarkable performance of above 20% at higher temperatures of 380–420 K but degraded slightly when this range is exceeded. Relatively cheaper Pt, Ni, and Pd metals perform better, thus, can replace gold. These simulation results can provide avenues and directions for future advancement of the performance of lead‐free perovskite solar cells.

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“…Compared to PSC-HTM free and PSC-spiro, this leads to better charge extraction at the perovskite/CuSCN interface. 30 After the devices were fabricated and tested, they were left under ambient conditions (25 AE 3 1C and 50 AE 10% RH) for 1500 h. The photovoltaic parameters were recorded at regular intervals, and the changes in the parameters as a function of storage time are plotted normalized w.r.t. to the initial values (Fig.…”

Section: Materials Advances Papermentioning

confidence: 99%

Dual-functional inorganic CuSCN for efficient hole extraction and moisture sealing of MAPbI₃ perovskite solar cells

et al. 2022

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Spiro-OMeTAD or CuSCN as a preferable hole transport material for carbon-based planar perovskite solar cells

Abstract: Carbon electrode-based planar PSCs demonstrated higher device performance and reduced hysteresis using a CuSCN based HTL owing to its favourable energy level alignment with the perovskite compared to conventional spiro-OMeTAD based HTL.

Cited by 81 publications

References 46 publications

Life cycle energy demand and carbon emissions of scalable single‐junction and tandem perovskite PV

Life cycle energy demand and carbon emissions of scalable single‐junction and tandem perovskite PV

Optimization of Hole Transport Layer Materials for a Lead‐Free Perovskite Solar Cell Based on Formamidinium Tin Iodide

Dual-functional inorganic CuSCN for efficient hole extraction and moisture sealing of MAPbI₃ perovskite solar cells

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Spiro-OMeTAD or CuSCN as a preferable hole transport material for carbon-based planar perovskite solar cells

Abstract: Carbon electrode-based planar PSCs demonstrated higher device performance and reduced hysteresis using a CuSCN based HTL owing to its favourable energy level alignment with the perovskite compared to conventional spiro-OMeTAD based HTL.

Cited by 81 publications

References 46 publications

Life cycle energy demand and carbon emissions of scalable single‐junction and tandem perovskite PV

Life cycle energy demand and carbon emissions of scalable single‐junction and tandem perovskite PV

Optimization of Hole Transport Layer Materials for a Lead‐Free Perovskite Solar Cell Based on Formamidinium Tin Iodide

Dual-functional inorganic CuSCN for efficient hole extraction and moisture sealing of MAPbI3 perovskite solar cells

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Dual-functional inorganic CuSCN for efficient hole extraction and moisture sealing of MAPbI₃ perovskite solar cells