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Disposable electronics Organic solar cell as a power source Low cost Solution process

Disposable electronics Organic solar cell as a power source Low cost Solution process Mechanical flexibility. ITO/PEDOT:PSS & WAW configuration WAW electrode : ~8 Ω / □ Inverted structure behavior from conventional configuration. WO 3 /Ag/WO 3. P3HT/PCBM. ITO/PEDOT:PSS. Glass.

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Disposable electronics Organic solar cell as a power source Low cost Solution process

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  1. Disposable electronics Organic solar cell as a power source Low cost Solution process Mechanical flexibility

  2. ITO/PEDOT:PSS & WAW configuration WAW electrode : ~8 Ω/□ Inverted structure behavior from conventional configuration WO3/Ag/WO3 P3HT/PCBM ITO/PEDOT:PSS Glass

  3. Al/LiF & WAW configuration Al(200nm) as a bottom electrode All devices are failed by poor electrical contact caused by poor step coverage WO3/Ag/WO3 P3HT/PCBM Al/LiF Glass

  4. Al/LiF & WAW configuration Al thickness is reduced to 50nm No sign of Iph? WO3/Ag/WO3 P3HT/PCBM Al/LiF Glass

  5. Optical absorption of WAW electrode From reference, ~50% current loss by optical absorption of electrode is expected WO3/Ag/WO3 P3HT/PCBM ITO/nc-TiO2 Glass

  6. Next week • Al/ZnO instead Al/LiF • WO3 deposition with oxygen partial pressure • Longer measuring time • → To increase transparency & reduce/fill traps WO3/Ag/WO3 P3HT/PCBM ITO/ZnO Glass

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