## Bathophenanthroline (BPhen, CAS 1662-01-7): Key Functions and Uses
1. **OLED Electron-Transport Material**
Bathophenanthroline, also known as **BPhen** or **4,7-Diphenyl-1,10-phenanthroline**, is an important organic semiconductor used in **organic light-emitting diode (OLED)** research. It can function as an electron-transport layer, helping electrons move toward the emissive layer.
2. **Hole-Blocking and Exciton-Blocking Layer**
BPhen is widely used as a **hole-blocking layer (HBL)** or exciton-blocking layer in OLED and other organic optoelectronic devices. Its wide energy gap and relatively high ionization potential can help confine charge carriers and excitons within the appropriate functional layer.
3. **Improving Device Efficiency and Charge Balance**
By helping control electron transport and reduce unwanted charge leakage, Bathophenanthroline may contribute to improved carrier balance, lower operating voltage, enhanced luminance, and better external quantum efficiency. Actual performance depends on device architecture, layer thickness, electrode selection, and fabrication conditions.
4. **Organic Electronics and Photovoltaic Research**
CAS 1662-01-7 is also used in research involving organic semiconductors, OLED displays, organic photovoltaic devices, electroluminescent films, and multilayer thin-film structures. Researchers can evaluate its energy-level alignment, film morphology, thermal stability, and interfacial behavior.
5. **Bidentate Chelating Ligand**
Bathophenanthroline contains nitrogen donor atoms that enable it to coordinate with suitable metal ions. As a **bidentate ligand**, it is useful for preparing metal complexes and studying coordination chemistry, photophysical properties, catalytic systems, and molecular materials.
6. **Analytical Reagent for Iron Detection**
BPhen is a recognized colorimetric reagent for the detection and quantification of **iron, especially Fe(II)**. It forms a colored coordination complex with iron, supporting analytical procedures in environmental, biochemical, and laboratory testing.
7. **Optical Sensing and Photophysical Studies**
Its metal-binding behavior and distinctive optical properties make Bathophenanthroline relevant to sensor research, fluorescence studies, and investigations of metal-ion recognition. Some formulations may be explored for detecting metal ions in solution, subject to validated method conditions.
8. **Quality, Procurement, and Professional Use**
When purchasing Bathophenanthroline 1662-01-7, buyers should verify purity, isomer or synonym information, analytical specifications, packaging, certificate of analysis, and storage requirements. Useful SEO keywords include **Bathophenanthroline, BPhen, 4,7-Diphenyl-1,10-phenanthroline, CAS 1662-01-7, OLED electron transport material, hole-blocking layer, iron colorimetric reagent, and chelating ligand**. This product is intended for professional research and industrial development, not direct medical, food, cosmetic, or household use.
