1、Buried interface anchoring with silane coupling agents for low voltage
In this work, we present a study employing three distinct silane coupling agents derived from trimethoxysilane (TMOS), each featuring different functional groups anchored at the WBG-perovskite/HTL interface to enhance the photovoltaic performance and stability of the devices.
2、Synthesis of Symmetrical Silane Containing P═O Bonds and Their
To overcome these challenges, we synthesized a symmetrical silane-based passivating agent containing phosphorus–oxygen double bonds. This agent enabled the in situ passivation of perovskites, significantly improving their optical performance and stability.
3、Mechanically stable screen
Herein, a series of siloxane coupling agents (SCAs) with different ending groups i.e., –SH, –NH 2, and –CN were incorporated at the SnO 2 /perovskite interface, which can selectively...
4、Buried interface anchoring with silane coupling agents for low voltage
Here, we introduce a heterogeneous interface anchoring strategy aimed at enhancing interfacial properties by incorporating a silane coupling agent between the perovskite and hole transport layers.
5、Silane Coupling Agents and Perovskites
In this work, we present a study employing three distinct silane coupling agents derived from trimethoxysilane (TMOS), each featuring different functional groups anchored at the WBG-perovskite/HTL interface to enhance the photovoltaic performance and stability of the devices.
Silane coupling agents boost the efficiency and stability of wide
Silane coupling agents boost the efficiency and stability of wide-bandgap perovskite solar cells
Dual
Defect-induced charge non-radiative recombination loss at perovskite/charge transport layers (CTLs) interfaces greatly deteriorates the efficiency and stability of flexible perovskite solar cells (PSCs).
Dual
Herein, we devise a dual-interface engineering strategy induced by silane coupling agents to ameliorate perovskite/CTLs interfaces and reduce non-radiative carrier recombination loss in flexible PSCs.
Perovskite Films with Reduced Interfacial Strains via a Molecular
Interface strains and lattice distortion are inevitable issues during perovskite crystallization. Silane as a coupling agent is a popular connector to enhance the compatibility between inorganic and organic materials in semiconductor devices.
Buried interface anchoring with silane coupling agents for low voltage
In this review, the recent advances in single‐halogen WBG PSCs, focusing on the cesium (Cs)‐based pure‐iodide (I) perovskite and all the pure‐bromine (Br) perovskite species is summarized. A...
Perovskite Materials, as a novel class of semiconductors, have garnered significant attention due to their unique physicochemical properties. The perovskite structure, composed of cations (e.g., lead, bismuth, cadmium) and anions (e.g., iodine, bromine), endows these materials with excellent optoelectronic performance, including high light absorption coefficients, broad spectral response ranges, and robust stability. challenges persist in the synthesis of perovskite materials, particularly in effectively linking inorganic precursors with organic or polymer matrices.
Silane Coupling Agents, a critical class of organic-inorganic interface modifiers, have increasingly demonstrated their importance in perovskite material fabrication. These agents react with active sites on inorganic materials via their organic functional groups at one end, while crosslinking with other inorganic components through their silane moieties. This mechanism not only improves the dispersion of inorganic precursors but also facilitates the formation of stable organic-inorganic interfaces, laying the foundation for further processing and application of perovskite materials.
The application of silane coupling agents in perovskite materials involves several key steps:
- Precursor Preparation: Inorganic salts such as lead acetate or copper chloride are typically dissolved in suitable solvents, with pH adjustments to optimize subsequent reactions.
- Coupling Agent Selection and Addition: Silane coupling agents (e.g., amino-silane, mercapto-silane) are chosen based on application requirements and introduced into the solution via controlled methods.
- Reaction Condition Control: Parameters such as temperature, reaction time, and stirring speed are meticulously regulated to ensure thorough interaction between the coupling agents and precursors, yielding stable composites.
The impact of silane coupling agents on perovskite material performance is multifaceted:
- Enhanced Crystallinity: Reduced crystal defects improve photoelectric conversion efficiency.
- Improved Mechanical and Thermal Stability: Crucial for device encapsulation and long-term operation.
- Optimized Interface Characteristics: Lowered interfacial barriers and increased charge carrier mobility boost overall electrical performance.
Despite their benefits, challenges remain:
- Optimization of Agent Type and Dosage: Requires precise tuning based on experimental conditions to avoid compromising material quality.
- Optical Property Trade-offs: Silane agents may alter bandgap width or absorption spectra, necessitating careful experimental design.
- Environmental and Cost Considerations: Sustainability and economic viability must be addressed for practical applications.
As a potent material modification tool, perovskite silane coupling agents hold vast potential in advancing perovskite material fabrication. By fine-tuning agent types, ratios, and reaction conditions, researchers can significantly enhance optoelectronic and mechanical properties. Future efforts should explore broader combinations of coupling agents with diverse perovskite precursors while prioritizing environmental impact and cost-efficiency, ultimately enabling green, high-performance, and scalable perovskite material technologies.
