Results 171 to 180 of about 2,392,452 (289)

Advances in petroleum storage and transportation engineering

open access: yesAdvances in Mechanical Engineering, 2015
Bo Yu   +5 more
doaj   +1 more source

Pyridocarbene‐Based Tetradentate Pt(II) Complexes for Long Device Lifetime over 500 h in Blue Phosphorescent Organic Light–Emitting Diodes

open access: yesAdvanced Materials, EarlyView.
Pt‐impy and Pt‐Me‐impy exhibit external quantum efficiencies of 24.5% and 27.4% at the 3 wt.% doping concentration, respectively. In particular, Pt‐impy and Pt‐Me‐impy doped blue PhOLEDs optimized for stability demonstrate a device lifetime of up to 95% of the initial luminance of 543 and 228 h at 1000 cd m−2, which has never been achieved in the blue ...
Kiun Cheong   +12 more
wiley   +1 more source

Force‐Induced Selective Carbon‐Carbon Bond Cleavage in Mechanoresponsive Topochemical Polymers

open access: yesAdvanced Materials, EarlyView.
A new class of mechanoresponsive polymers based on polybiidenedionediyl (PBIT) derivatives exhibits distinct color changes upon mechanical stimuli such as grinding, milling, and compression. The response arises from depolymerization and backbone conjugation changes.
Zitang Wei   +12 more
wiley   +1 more source

Tunable Magnetism and Intrinsic Exchange Bias in Al‐Substituted Terbium Iron Garnet

open access: yesAdvanced Materials, EarlyView.
Al substitution in terbium iron garnet thin films enables continuous tuning of the magnetic compensation temperature from 190 K to above room temperature. Near compensation, a giant intrinsic exchange bias emerges, whose sign and stochasticity can be controlled by external fields and cooling history. This approach provides new routes to engineer garnet
Takayuki Shiino   +3 more
wiley   +1 more source

Catalytic epoxidation of oleic acid through in situ hydrolysis for biopolyol formation. [PDF]

open access: yesSci Rep
Rahman SJA   +7 more
europepmc   +1 more source

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