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Advanced materials (Weinheim), ISSN 0935-9648, 10/2017, Volume 29, Issue 40, pp. 1702847 - n/a
Maintaining high power efficiency (PE) under high brightness is still a pressing problem for the practical application of organic light‐emitting diodes (OLEDs). Here, ultrahigh... 
low voltage | green phosphorescent OLEDs | electron transporting materials | high power efficiency | Light-emitting diodes | Energy use | Low voltage | Anthracene | Charge injection | Efficiency | Fluorescence | Chemical bonds | Organic light emitting diodes | Light emitting diodes | Phosphorescence | Power efficiency | Electron transport | Diodes
Journal Article
Angewandte Chemie (International ed.), ISSN 1433-7851, 03/2018, Volume 57, Issue 14, pp. 3787 - 3791
Journal Article
SAE technical paper series, Volume 780236.
Experimental work was done with a Texaco stratified-charge engine to investigate the effect of fuel type, spark timing, and fuel injection timing on efficiency and emissions... 
Exhaust emissions | Stratified charge engines | Emissions
eJournal
Nature (London), ISSN 1476-4687, 07/2016, Volume 536, Issue 7616, pp. 312 - 316
...), which have led to power conversion efficiencies exceeding 20 per cent(6,7), with the prospect of further improvements towards the Shockley-Queisser limit for a single-junction solar cell (33.5 per cent) (8... 
Science & Technology - Other Topics | Multidisciplinary Sciences | Science & Technology | Thin films | Perovskite | Photovoltaic cells | Efficiency | Light | Engineering Sciences | Physics | Chemical Sciences
Journal Article
SAE technical paper series, Volume 1999-24-0020
Homogeneous-charge spark-ignited lean-burn natural gas engines have shown considerable promise in reducing exhaust emissions and improving thermal efficiency... 
Lean burn engines | Stratified charge engines | Spark ignition engines | Natural gas | Alternative fuels
eJournal
SAE technical paper series, Volume 870445.
...) rotary engines has been used to study the effect of variations in engine design and operating parameters on engine performance and efficiency of an experimental Outboard Marine Corporation (OMC... 
Diesel / Compression Ignition engines | Computer simulation | Rotary engines | Stratified charge engines | Marine engines | Fuel injection
eJournal
Science (American Association for the Advancement of Science), ISSN 1095-9203, 09/2018, Volume 361, Issue 6407, pp. 1094 - 1098
... of organic materials, a record and certified 17.29% power conversion efficiency for a two-terminal monolithic solution-processed tandem OPV is achieved. 
Science & Technology - Other Topics | Multidisciplinary Sciences | Science & Technology | Solar cells | Solar batteries | Materials | Thickness | Organic materials | Photovoltaic cells | Electromagnetic absorption | Electronics industry | Efficiency | Organic semiconductors | Charge materials | Empirical analysis | Photovoltaics | Energy conversion efficiency
Journal Article
2012, ISBN 9780300162318, xvii, 366
"As global demand for energy grows and prices rise, a city's energy consumption becomes increasingly tied to its economic viability, warns the author of The... 
Cities and towns | Environmental aspects | Energy consumption | Energy policy | City planning | Urban economics
Book