Tin perovskite solar cells (TPSCs) have triggered intensive research as a promising candidate for lead-free perovskite solar cells. However, it is still challenging to obtain efficient and stable ...
A typical PSC device has five fundamental layers: the conducting substrate (ITO/FTO), the hole-transporting layer (HTL), the perovskite light-absorber layer, the electron transporting layer (ETL), and the metal electrode (Au/Ag) . The working principle of a perovskite solar cell is similar to dye-sensitized solid-state solar cells .
When the solar cell is illuminated, the ETL/HTL extracts photogenerated electrons/holes from the perovskite absorber layer and transports them to the cathode/anode, as shown schematically in Fig. 2. High PCEs require efficient charge carrier generation, extraction, and transport.
Kafedjiska et al. conducted a comprehensive investigation into the performance of five different HTLs in monolithic perovskite and CIGSe tandem solar cells (Figure 23A). The HTLs under investigation were nickel oxide (NiO x), copper-doped nickel oxide (NiO x:Cu), NiO x +SAM, NiO x:Cu+SAM, and SAM (MeO-2PACz material).
Furthermore, the researchers demonstrated the efficiency of the perovskite-organic tandem solar cell, by achieving an impressive PCE of 24.0% (certified at 23.1%) and a high VOC of 2.15 V. These results were attributed to the optimization of the charge extraction layer, which provided the perovskite subcells with both high VOC and FF.
The working principle of a perovskite solar cell is similar to dye-sensitized solid-state solar cells . When the solar cell is illuminated, the ETL/HTL extracts photogenerated electrons/holes from the perovskite absorber layer and transports them to the cathode/anode, as shown schematically in Fig. 2.
The pursuit of designing the optimal hole-transporting molecule with well-matched energy levels, solubility, and high hole mobility and conductivity holds the potential for enhancing the performance of perovskite solar cell devices.
Tin perovskite solar cells (TPSCs) have triggered intensive research as a promising candidate for lead-free perovskite solar cells. However, it is still challenging to obtain efficient and stable ...
The mild polarity-induced reaction selectivity, namely 4-bromobenzylamine cations with PbI 2, enables precise growth of 2D perovskites at the grain boundaries (GBs) of 3D perovskites, while moderate moisture …
Compared with the formal structure originally developed for perovskite cells, trans-structured devices have the advantages of low temperature processing, no obvious hysteresis effect, simple preparation process, and can …
Self-assembled monolayers (SAMs) employed in inverted perovskite solar cells (PSCs) have achieved groundbreaking progress in device efficiency and stability for both single-junction and tandem configurations, owing to their distinctive and versatile ability to manipulate chemical and physical interface properties.
The long-term stability of perovskite solar cells has been improved with an atomic-layer deposition (ALD) method that replaces the fullerene electron transport layer with tin oxide. Gao et al. first deposited the …
We stabilized the perovskite black phase and improved solar cell performance using the ordered dipolar structure of β-poly(1,1-difluoroethylene) to control perovskite film crystallization and energy alignment. We demonstrated p-i-n perovskite solar cells with a record power conversion efficiency of 24.6% over 18 square millimeters and 23.1% ...
The long-term stability of perovskite solar cells has been improved with an atomic-layer deposition (ALD) method that replaces the fullerene electron transport layer with tin oxide. Gao et al. first deposited the perovskite and the hole-transporter layer in a single step. Then, they used ALD to create an oxygen-deficient tin oxide ...
The power conversion efficiency (PCE) of single-junction perovskite (PVSK) solar cells has now surpassed 20%, 1–8 thereby offering an excellent opportunity for further development of tandem solar cells (TSCs). In …
3 · The performance of narrow-bandgap (NBG) perovskite solar cells (PSCs) is limited by the severe nonradiative recombination and carrier transport barrier at the electron selective …
We stabilized the perovskite black phase and improved solar cell performance using the ordered dipolar structure of β-poly(1,1-difluoroethylene) to control perovskite film crystallization and energy …
The recent works of Wei et al. highlight the importance of perovskite/electron transport layer (ETL) interface to the performance of tin-based perovskite solar cells. The optimization of both the lowest unoccupied molecular orbital energy levels and carrier mobility of ETLs can improve the device performance substantially. To further support ...
Using the unique trans spatial structure of (1R, 2R)-(−) ... allowing for the preparation of efficient and stable perovskite solar cells under high humidity conditions. The forward scan maximum power conversion efficiency (PCE) of the CsSnI 3-transDACH device reaches 5.49%, the highest for hole-free carbon-based CsSnI 3 PSCs prepared in humid air …
The mild polarity-induced reaction selectivity, namely 4-bromobenzylamine cations with PbI 2, enables precise growth of 2D perovskites at the grain boundaries (GBs) of 3D perovskites, while moderate moisture further stimulates the growth of 2D perovskites to form a trans-GBs structure. This unique "trans-GBs" 2D perovskite forms ...
The recent works of Wei et al. highlight the importance of perovskite/electron transport layer (ETL) interface to the performance of tin-based perovskite solar cells. The …
Xu Jixian, a professor at the University of Science and Technology of China, and his collaborators proposed a new structure and breakthrough scheme named PIC (porous insulator contact), aiming at the …
Self-assembled monolayers (SAMs) employed in inverted perovskite solar cells (PSCs) have achieved groundbreaking progress in device efficiency and stability for both single-junction and tandem configurations, owing to their distinctive …
Basic structure and working mechanism of perovskite solar cells. A typical PSC device has five fundamental layers: the conducting substrate (ITO/FTO), the hole-transporting …
The discovery of hybrid organic–inorganic lead-halide materials'' photovoltaic activity has led to a significant new area of research: Perovskite Solar Cells (PSC) [].This term is used for solar cell absorber materials that possess the perovskite crystal structure, originally based on CaTiO 3 [].During their research journey, perovskite materials have found …
Viewing this, they isolated four major regioisomers of trans-2, trans-3, trans-4, and e from DCBA and further investigated their structure–property relationships as well as effects on device performance. Notably, trans-3 regioisomer exhibits a dense molecular packing mode and has the highest electron mobility. Besides, it has a shallower ...
Perovskite solar cells (PSCs) have attracted much attention due to their low cost, high efficiency, and solution processability. With the development of various materials in perovskite solar cells, self-assembled monolayers (SAMs) have rapidly become an important factor in improving power conversion efficiency (PCE) due to their unique physical and …
Since perovskite solar cells appeared in 2009, its simple preparation process, high photoelectric conversion efficiency and the characteristic of low cost in preparation process let it become the hot spot of both at-home and abroad. Owing to the constant efforts of scientists, the conversion efficiency of perovskite solar cells is more than 20% now. Perovskite solar cells …
The continuous advancements in perovskite PVs place this technology at the forefront of the modern solar landscape, offering a concrete opportunity for commercialization 1,2,3 tense efforts have ...
In this review, the illustration of the structural development of perovskite solar cells, including advanced interfacial layers and their associated parameters, is discussed in detail. In addition, the challenges that hinder the PSCs'' performance are also discussed.
3 · The performance of narrow-bandgap (NBG) perovskite solar cells (PSCs) is limited by the severe nonradiative recombination and carrier transport barrier at the electron selective interface. Here, we reveal the importance of the molecular orientation for effective defect passivation and protection for Sn2+ at the perovskite/C60 interface. We constructed an …
Basic structure and working mechanism of perovskite solar cells. A typical PSC device has five fundamental layers: the conducting substrate (ITO/FTO), the hole-transporting layer (HTL), the perovskite light-absorber layer, the electron transporting layer (ETL), and the metal electrode (Au/Ag) [11].
The schematic structure of Si solar PV cells is shown in Fig. 10a [54]. Si solar cells are further divided into three main subcategories of mono-crystalline (Mono c-Si), polycrystalline (Poly c-Si ...
The power conversion efficiency (PCE) of single-junction perovskite (PVSK) solar cells has now surpassed 20%, 1–8 thereby offering an excellent opportunity for further development of tandem solar cells (TSCs). In comparison with multi-junction TSCs, stacking more layers will increase the manufacturing costs and the loss of the tunneling ...
To commercialize flexible perovskite solar cells (f-PSCs), they must achieve mechanical reliability along with high power conversion efficiency (PCE) and long-term stability. 2D/3D stacking of perovskites can theoretically …
Stay updated with the latest news and trends in solar energy and storage. Explore our insightful articles to learn more about how solar technology is transforming the world.