Titanyl phthalocyanine, TiOPc
Titanyl phthalocyanine (TiOPc), the family member of highly photosensitive phthalocyanine compounds, is one of the most successful leading materials used in the photocopying industry. Among various phthalocyanine semiconductors, oxotitanium phthalocyanine in the crystal form of phase-Y (Y-TiOPc) has attracted particular attention due to its high photosensitivity to NIR light. The quantum efficiency of Y-form TiOPc for photo carrier generation is reported to be almost 100% in high electric fields.
Titanyl phthalocyanine is used as a water photo-oxidation agent and is built into sensors for NO2 detection. It has also been made into devices for of organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs) with photon to current efficiency (PCE) over 4% reported by using TiOPc as the light-harvesting dye and C60 as the electron acceptor [3-6].
|Molecular weight||576.39 g/mol|
|Absorption*||λmax = 692 nm (chlorobenzene)|
|Fluorescence||No data available|
|HOMO/LUMO||HOMO = 5.7 eV, LUMO = 3.9 eV |
|Classification / Family||
Phthalocyanine derivatives, Charge generation layer (CGL) materials, Light-emitting diodes, Organic photovoltaics (OPV)
|Melting point||580.7 °C (5% wt weight loss - TGA)|
|Appearance||Dark purple powder/crystals|
* Sublimation is a technique used to obtain ultra pure-grade chemicals, see sublimed materials for OLED devices.
|Device structure||IITO/NPB/CBP:Ir(ppy)3/BCP/Alq3:2 wt%TiOPc/LiF/Al |
|Luminance @10 mA cm−2||7,800 cd/m2|
|Power Efficiency@10 mA cm−2||4.2 lm W−1|
|Device structure||ITO/PEDOT:PSS/BP2T/TiOPc/C60/Alq3/Al (160 oC) |
|Jsc (mA cm-2)||9.26|
|Device structure||ITO (100 nm)/TiOPc (20 nm)/C60 (40 nm)/BCP (10 nm)/Al (100 nm) |
|Jsc (mA cm-2)||15.1|
|Device structure||ITO/TiOPc (20 nm)/C60 (40 nm)/BCP (10 nm)/Al |
|Jsc (mA cm-2)||3.99|
*For chemical structure information please refer to the cited references.
|Sublimed (>99% purity)||M701||500 mg||£122.00|
|Sublimed (>99% purity)||M701||1 g||£178.00|
Literature and Reviews
- Enhancing the contrast and power efficiency of organic light-emitting diodes using CuPc/TiOPc as an anti-reflection layer, J. Li et al., J. Phys. D: Appl. Phys., 40, 2435–2439 (2007) doi:10.1088/0022-3727/40/8/004.
- Study of Carrier Generation in Titanyl Phthalocyanine (TiOPc) by Electric-Field-Induced Quenching of Integrated and Time-Resolved Fluorescence, Z. D. Popovic et al., J. Phys. Chem. B, 102 (4), 657–663 (1998); DOI: 10.1021/jp973188q.
- Enhanced carrier transport in tris(8-hydroxyquinolinate) aluminum by titanyl phthalocyanine doping, M. Ramar et al., RSC Adv., 4, 51256-51261 (2014); DOI: 10.1039/C4RA09116G.
- Efficient planar organic solar cells with the high near-infrared response,W. Chen et al., Org. Electronics, 13, 1086–1091 (2012); http://dx.doi.org/10.1016/j.orgel.2012.03.002.
- Organic photovoltaic cells based on solvent-annealed, textured titanyl phthalocyanine/C60 heterojunction, D. Placencia et al. Adv Funct Mater., 19: 1913–1921 (2009); DOI: 10.1002/adfm.200801723.
- Origin of the open-circuit voltage in multilayer heterojunction organic solar cells, W. J. Potscavage Jr. et al., Appl. Phys. Lett. 93, 193308 (2008); http://dx.doi.org/10.1063/1.3027061.
- Light-driven 3D droplet manipulation on flexible optoelectrowetting devices fabricated by a simple spin-coating method, D. Jiang et al., Lab Chip, 16, 1831–1839 (2016); DOI: 10.1039/c6lc00293e.
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