Hilmi Volkan Demir - KTH

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Conventional white light sources Incandescent lamp spectrum http://www.gelighting.com/na/business_lighting/education _resources/learn_about_light/distribution_curves.htm Fluorescent lamp spectrum 32
Nanocrystal quantum dot emitters 525 585 605 655 nm nm nm nm increasing size • Narrow emission (spectral purity) • Size tuneability (quantum size effect) • Broad absorption • Reasonable quantum yield in collaboration Hilmi Volkan Demir co abo at o with A. Eychmüller TU Dresden
Page 1 and 2: Nanophotonics to Combat Climate Cha
Page 3 and 4: … a very unfortunate unfortunate,
Page 5 and 6: What factors determine earth’s cl
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: Correlated color olor temperature (
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
Page 55 and 56: Time‐resolved kinetics at donor e
Page 57 and 58: Kinetics of energy transfer S. Niza
Page 59 and 60: Green gap: green/yellow range J. M.
Page 61 and 62: Phhoton Count C 1000 100 10 Time‐
Page 63 and 64: FRET LEDs Color converted LED FRET-
Page 65 and 66: White light generating rresonant es
Page 67 and 68: Architectural tuning of color chrom
Page 69 and 70: Precise tuning of color with FRET C
Page 71 and 72: Ph.D. - Piled Higher and Deeper 3/1
Page 73 and 74: Localized plasmons • Collective l
Page 75 and 76: Physical explanation of localized p
Page 77 and 78: Dependence of resonance wavelength
Page 79 and 80: Plasmon‐coupled nanocrystals •
Page 81 and 82: Metal Enhanced Fluorescence Pompa e
Page 83 and 84:
Scanning electron microscope (SEM)
Page 85 and 86:
Our absorbance spectra of different
Page 87 and 88:
Interactions between plasmons p and
Page 89 and 90:
Spectral design of plasmon‐couple
Page 91 and 92:
Photoluminnescence (couunts) 30000
Page 93 and 94:
Material on quartz substrate Only S
Page 95 and 96:
How can we combat climate change us
Page 97 and 98:
Today - in 2010 • Nanocrystal bas
Page 99 and 100:
Conclusions • Climate change is a
Page 101 and 102:
Device and Sensors Group Demir lab
Page 103 and 104:
Our research program • Biomimetic
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Hilmi Volkan Demir - KTH

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