Organic Photovoltaic Cells for Indoor Applications: Opportunities and Challenges
With the growing development of the Internet of Things, organic photovoltaic (OPV) cells are highly desirable for indoor applications because of the unique features of light weight, flexibility, and coloration. Emission spectra of the commonly used indoor light sources are much narrower with lower l …
Interface Engineering for Highly Efficient and Stable Perovskite …
The key interface engineering strategies enabling highly stable and efficient PSCs are focused here. The interface chemistry and the deleterious impact …
Engineering the buried interface in perovskite solar cells via lattice ...
Employing a lattice-matched perovskite oxide as an electron transport layer allows optimizing the buried interface in perovskite solar cells. A maximum power …
Photovoltaic organic interface for neuronal stimulation …
Second, in the case of photovoltaic interfaces, the electrical properties of the photovoltaic cell must be tailored to meet the desired conditions of electrical stimulation.
Using Electron Microscopy to Explore Solar Cell Interfaces ...
Solar cell interfaces, including grain boundaries, twin boundaries, stacking faults, and phase boundaries, are the main nonradiative recombination and degradation sites and affect the photoelectric conversion efficiency and stability of solar cells, making it necessary to understand their fine structures and properties. ...
Buried-in interface with two-terminal functional groups for perovskite-based photovoltaic solar cells
Interface plays an important role in perovskite solar cells. Herein, a functional molecular with two-terminal donor groups was deposited between the tin oxide (SnO2) electron transport layer and halide perovskite to induce the perovskite crystal growth and passivate defects at the interface. It is found that isonicotinohydrazide (INHA) can …
Does Electron Delocalization Influence Charge Separation at Donor–Acceptor Interfaces in Organic Photovoltaic Cells?
We use bilayer devices with a series of three fullerene acceptors differing in order and intermolecular coupling to systematically explore the influence of electron delocalization in the acceptor phase on the dissociation efficiency of charge transfer states. Structural information from GIWAXS measurements is combined with the results of optical and …
Influence of Fluorine Substitution on the Photovoltaic Performance of Wide Band Gap Polymer Donors for Polymer Solar Cells
The design and development of wide band gap (WBG) polymer donors are critical for achieving high power conversion efficiencies (PCEs) in polymer solar cells. In this work, four WBG polymer donors, Q4, Q5, Q6, and Q7, with different numbers and positions of fluorine substitution (n = 0, 2, 2, and 4, respectively) were prepared, and the effect of …
Photovoltaic Cells – solar cells, working principle, I/U characteristics, generations, material systems, multi-junction cells…
Photovoltaic cells are semiconductor devices that can generate electrical energy based on energy of light that they absorb.They are also often called solar cells because their primary use is to generate electricity specifically from sunlight, but there are few applications where other light is used; for example, for power over fiber one usually uses laser light.
A review of photovoltaic cells is a demonstrated environmentally benign energy source that continues to photovoltaic research with attractive features. Because existing PV systems continue to be very inefficient and unusual, they are not cost-specific and are only employed on a regular basis if a local power source is not available.
Optimization of the Perovskite Solar Cell Design with Layer Thickness Engineering for Improving the Photovoltaic …
Two theoretical interface layers, TiO2/MAPbI3 and MAPbI3/Spiro-OMeTAD, were introduced into the construction model to consider the impacts of interface defect density on device performance. The validity of the modeling methodology was verified by comparing the simulation results with the real experimental data.
Interpenetrating interfaces for efficient perovskite solar cells with ...
The perovskite solar cell has emerged rapidly in the field of photovoltaics as it combines the merits of low cost, high efficiency, and excellent mechanical flexibility …
Charge-transfer electronic states in organic solar cells
Electronic-state diagram illustrating the processes involved in photoinduced charge-carrier formation in an organic solar cell. LE is the lowest-energy local-exciton singlet or triplet excited ...
Additive and High-Temperature Processing Boost the Photovoltaic Performance of Nonfullerene Organic Solar Cells …
Benefitting from narrow band gap nonfullerene acceptors, continually increasing power conversion efficiency (PCE) endows organic solar cells (OSCs) with great potential for commercial application. Fabricating high-performance OSCs with potential for large-scale coating and nonhalogenated solvent processing is a necessity. Herein, we …
Photovoltaic (PV) cells, or solar cells, are semiconductor devices that convert solar energy directly into DC electric energy. In the 1950s, PV cells were initially used for space applications to power satellites, but in the 1970s, they began also to be used for terrestrial
Mechanism of Water Effect on Enhancing the Photovoltaic Performance of Triple-Cation Hybrid Perovskite Solar Cells
The water effect on the performance of perovskite solar cells has been intensively studied in recent years. However, the conflicting conclusions derived from different studies make it impossible to fully understand the mechanism involved. Besides, all studies have concentrated on single methylammonium cation perovskites. As a …
The Role of the Interfaces in Perovskite Solar Cells
The interfaces between the perovskite film and the charge transport layers are among the most important factors in determining both the PCE and stability of HPSCs. Herein, an overview is provided on the recent …
Working Principle of Solar Cell or Photovoltaic Cell
Key learnings: Photovoltaic Cell Defined: A photovoltaic cell, also known as a solar cell, is defined as a device that converts light into electricity using the photovoltaic effect. Working Principle: The solar cell working principle involves converting light energy into electrical energy by separating light-induced charge carriers within a …
Organometallic-functionalized interfaces for highly efficient …
Further enhancing the performance and stability of inverted perovskite solar cells (PSCs) is crucial for their commercialization. We report that the functionalization of multication and halide perovskite interfaces with an organometallic compound, ferrocenyl-bis-thiophene-2-carboxylate (FcTc 2), simultaneously enhanced the efficiency and …
Interface passivation for perovskite solar cell: A good or bad …
Main text. Organic-inorganic perovskites have recently been regarded as promising photovoltaic materials due to their excellent photoelectric properties and low-temperature fabricability. 1, 2, 3 The power conversion efficiency (PCE) for perovskite solar cells (PSCs) has already achieved 25.7%, which is comparable to that of silicon solar …
Metal–organic frameworks at interfaces of hybrid perovskite solar cells for enhanced photovoltaic …
In this study, metal–organic frameworks, as an interfacial layer, were introduced into perovskite solar cells (PSCs) for the first time. An interface modified with the metal–organic framework ZIF-8 efficiently enhanced perovskite crystallinity and grain sizes, and the photovoltaic performance of the PSCs was
Recent advances on interface engineering of perovskite solar cells
Abstract. Lead halide perovskite solar cells (PSCs) have been rapidly developed in the past decade. Owing to its excellent power conversion efficiency with …
