Hilmi Volkan Demir - KTH

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White light generation Color matching function Color-rendering index (CRI) Hilmi Volkan Demir [1] E. F. Schubert, Light Emitting Diodes, [2] Audi C.I.E. chromaticity diagram Correlated color temperature p (CCT) ( )
Important photometric properties Figure of merit Explanation Unit Chromaticity locus of the perceived color coordinates (x,y) Color rendering index (CRI) on the chromaticity diagram ability to render true colors from illuminated objects index (CRI) from illuminated objects - Correlated color ttemperature t (CCT) Luminous efficacy of optical radiation (LER) temperature of the planckian bl blackbody kb d radiator di t K closest in color usable radiation for human eye per optical power - lm/W Hilmi Volkan Demir
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Page 17 and 18: How can we combat climate change us
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Page 23 and 24: Potential market of LED‐based pro
Page 25: Phosphors vs. Nanophosphors Broad e
Page 29 and 30: Luminous efficacy (LE Luminous (LE
Page 31 and 32: Correlated color olor temperature (
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Page 35 and 36: Working principle energy transfer P
Page 37 and 38: Experimental achievement • Succes
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Page 41 and 42: Photometric modeling • Aim: What
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Page 45 and 46: Multilayered heteronanocrystals 1 0
Page 47 and 48: WLEDs tuned with onion‐like heter
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Page 51 and 52: Förster‐type energy transfer (FR
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Page 57 and 58: Kinetics of energy transfer S. Niza
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Page 61 and 62: Phhoton Count C 1000 100 10 Time‐
Page 63 and 64: FRET LEDs Color converted LED FRET-
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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
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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)
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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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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
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Device and Sensors Group Demir lab
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Our research program • Biomimetic
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