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Journal ArticleDOI

Perovskites: The Emergence of a New Era for Low-Cost, High-Efficiency Solar Cells

Henry J. Snaith
- 14 Oct 2013 - 
- Vol. 4, Iss: 21, pp 3623-3630
TLDR
In this paper, the authors discussed the steps that have led to this discovery, and the future of this rapidly advancing concept have been considered, and it is likely that the next few years of solar research will advance this technology to the very highest efficiencies while retaining the very lowest cost and embodied energy.
Abstract
Over the last 12 months, we have witnessed an unexpected breakthrough and rapid evolution in the field of emerging photovoltaics, with the realization of highly efficient solid-state hybrid solar cells based on organometal trihalide perovskite absorbers. In this Perspective, the steps that have led to this discovery are discussed, and the future of this rapidly advancing concept have been considered. It is likely that the next few years of solar research will advance this technology to the very highest efficiencies while retaining the very lowest cost and embodied energy. Provided that the stability of the perovskite-based technology can be proven, we will witness the emergence of a contender for ultimately low-cost solar power.

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Citations
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Journal ArticleDOI

Interface engineering of highly efficient perovskite solar cells

TL;DR: Perovskite films received a boost in photovoltaic efficiency through controlled formation of charge-generating films and improved current transfer to the electrodes and low-temperature processing steps allowed the use of materials that draw current out of the perovskites layer more efficiently.
Journal ArticleDOI

The emergence of perovskite solar cells

TL;DR: In this article, a review describes the rapid progress that has been made in hybrid organic-inorganic perovskite solar cells and their applications in the photovoltaic sector.
Journal ArticleDOI

Formamidinium lead trihalide: a broadly tunable perovskite for efficient planar heterojunction solar cells

TL;DR: In this article, the effect of replacing the methylammonium cation in this perovskite was explored, and it was shown that with the slightly larger formamidinium lead trihalide cation, one can synthesise a peroviscite with a bandgap tunable between 1.48 and 2.23 eV.
Journal ArticleDOI

Metal-halide perovskites for photovoltaic and light-emitting devices

TL;DR: The broad tunability and fabrication methods of these materials, the current understanding of the operation of state-of-the-art solar cells and the properties that have delivered light-emitting diodes and lasers are described.
Journal ArticleDOI

Lead-free solid-state organic–inorganic halide perovskite solar cells

TL;DR: In this paper, perovskite solar cells containing tin rather than lead were reported, which have a power conversion efficiency of 5.7% and retain 80% of their performance over a period of 12 hours.
References
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Journal ArticleDOI

A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films

TL;DR: In this article, the authors describe a photovoltaic cell, created from low-to medium-purity materials through low-cost processes, which exhibits a commercially realistic energy-conversion efficiency.
Journal ArticleDOI

Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells

TL;DR: Two organolead halide perovskite nanocrystals were found to efficiently sensitize TiO(2) for visible-light conversion in photoelectrochemical cells, which exhibit strong band-gap absorptions as semiconductors.
Journal ArticleDOI

Detailed Balance Limit of Efficiency of p‐n Junction Solar Cells

TL;DR: In this article, an upper theoretical limit for the efficiency of p−n junction solar energy converters, called the detailed balance limit of efficiency, has been calculated for an ideal case in which the only recombination mechanism of holeelectron pairs is radiative as required by the principle of detailed balance.
Journal ArticleDOI

Possible high Tc superconductivity in the Ba-La-Cu-O system

TL;DR: In this paper, Ba−La−Cu−O system, with the composition BaxLa5−xCu5O5(3−y) have been prepared in polycrystalline form, and samples with x=1 and 0.75,y>0, annealed below 900°C under reducing conditions, consist of three phases, one of them a perovskite-like mixed-valent copper compound.
Journal ArticleDOI

Polymer photovoltaic cells : enhanced efficiencies via a network of internal donor-acceptor heterojunctions

TL;DR: In this paper, the carrier collection efficiency and energy conversion efficiency of polymer photovoltaic cells were improved by blending of the semiconducting polymer with C60 or its functionalized derivatives.
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How will perovskite change the future?

Provided that the stability of the perovskite-based technology can be proven, we will witness the emergence of a contender for ultimately low-cost solar power.