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Chemistry is traditionally divided into organic and inorganic chemistry. Computed Properties of C34H28Cl2FeP2Pd, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent,Which mentioned a new discovery about 72287-26-4

Two bipolar host materials, mCPpPO and mCPmPO have been synthesized by Ni(II)/Zncatalyzed cross-coupling of diphenylphosphine oxide and corresponding aryl bromide. The photophysical properties, HOMO/LUMO orbital distribution and triplet levels of these host materials are investigated and optimized by tuning the linking modes between electron acceptor triphenylphosphine oxide and electron donor N,N0-dicarbazolyl-3,5-benzene (mCP). When mCP is linked to the meta-position of benzene of triphenylphosphine oxide, the hybrid (mCPmPO) shows much higher steric hinderance than the para-position linked analogue (mCPpPO) so that it possesses a higher triplet energy. Equipped with the bipolar transport properties, mCPmPO-based blue PhOLED doped FIrpic shows a maximum current efficiency (etac,max) of 40.0 cd/A, a maximum power efficiency (etap,max) of 39.7 lm/W, corresponding the maximum external quantum efficiency (etaEQE,max) of 20.3%, and the current efficiency still maintain to 34.8 cd/A even at 1000 cd/m2. Based on the optimized triplet energy level, the single emission layer white PhOLED hosted by mCPmPO shows etac,max, etap,max and etaEQE,max of 46.9 cd/A, 39.7 lm/W and 17.6%, respectively.

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Reference:
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method