Hilmi Volkan Demir - KTH

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Global warming?, climate change IPCC Climate Change 2007, “Is the Current Climate Ch Change UUnusual l CCompared d tto EEarlier li Ch Changes iin Earth’s History?,” (2007), Hilmi Volkan Demir
What factors determine earth’s climate? [1] J. T. Kiehl and K. E. Trenberth,” Earth’s Annual Global Mean Energy Budget,” Bulletin of the American Meteorological Society, 78, pp. 206 (1997). [2] Also in IPCC Climate Change 2007, “What Factors Determine Earth’s Climate?,” chapter 1, pp. 96 (2007), Hilmi Volkan Demir
Page 1 and 2: Nanophotonics to Combat Climate Cha
Page 3: … a very unfortunate unfortunate,
Page 7 and 8: Carbon dioxide IPCC Climate Change
Page 9 and 10: CO 2, temperature change, and sea l
Page 11 and 12: Problems in ecology • According t
Page 13 and 14: 1997 2009 How are we doing? Kyoto P
Page 15 and 16: Can nanotechnology help to combat c
Page 17 and 18: How can we combat climate change us
Page 19 and 20: How does solid state lighting (SSL)
Page 21 and 22: Motivation for white LEDs (WLEDs) i
Page 23 and 24: Potential market of LED‐based pro
Page 25 and 26: Phosphors vs. Nanophosphors Broad e
Page 27 and 28: Important photometric properties Fi
Page 29 and 30: Luminous efficacy (LE Luminous (LE
Page 31 and 32: Correlated color olor temperature (
Page 33 and 34: Nanocrystal quantum dot emitters 52
Page 35 and 36: Working principle energy transfer P
Page 37 and 38: Experimental achievement • Succes
Page 39 and 40: High‐quality, warm white LEDs int
Page 41 and 42: Photometric modeling • Aim: What
Page 43 and 44: Photometric trade‐offs T. Erdem ,
Page 45 and 46: Multilayered heteronanocrystals 1 0
Page 47 and 48: WLEDs tuned with onion‐like heter
Page 49 and 50: Optical Power P (a.uu) Surface stat
Page 51 and 52: Förster‐type energy transfer (FR
Page 53 and 54: Hybrid WLEDs enhanced enhancedwith
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Time‐resolved kinetics at donor e
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Kinetics of energy transfer S. Niza
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Green gap: green/yellow range J. M.
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Phhoton Count C 1000 100 10 Time‐
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FRET LEDs Color converted LED FRET-
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White light generating rresonant es
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Architectural tuning of color chrom
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Precise tuning of color with FRET C
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Ph.D. - Piled Higher and Deeper 3/1
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Localized plasmons • Collective l
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Physical explanation of localized p
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Dependence of resonance wavelength
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Plasmon‐coupled nanocrystals •
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Metal Enhanced Fluorescence Pompa e
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Scanning electron microscope (SEM)
Page 85 and 86:
Our absorbance spectra of different
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Interactions between plasmons p and
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Spectral design of plasmon‐couple
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Photoluminnescence (couunts) 30000
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Material on quartz substrate Only S
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How can we combat climate change us
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Today - in 2010 • Nanocrystal bas
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Conclusions • Climate change is a
Page 101 and 102:
Device and Sensors Group Demir lab
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Our research program • Biomimetic
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