Semitransparent polymer-based solar cells via simple wet lamination process with TiO<inf>2</inf> layer using automatic spray layer-by-layer method

Atthaporn Ariyarit, Kengo Manabe, Kenta Fukada, Kyu Hong Kyung, Kouji Fujimoto, Seimei Shiratori

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Semitransparent polymer-based solar cells are renewable, lightweight and low-cost energy sources and are attracting increasing attention in terms of both pure scientific research and commercial applications. The carrier transport layer in most polymer solar cells is composed of a TiO<inf>2</inf> layer, and the thickness and homogeneity of this layer strongly influence the cell's power conversion efficiency. However, despite considerable development efforts, it is difficult to produce precisely-controlled TiO<inf>2</inf> layers at room temperature with low fabrication times and without using materials that are toxic to humans. Here, we demonstrate semitransparent polymer-based solar cells fabricated via a simple wet lamination process with a TiO<inf>2</inf> layer produced by an automatic spray layer-by-layer (spray-LBL) self-assembly method for improved solar cells. The spray-LBL method produced nano-ordered precursor films, composed of the non-toxic materials poly(diallyldimethylammonium chloride) (PDDA) and titanium(iv) bis(ammonium lactato) dihydroxide (TALH), from water solutions with high uniformity in a short fabrication time, and these films were then annealed to transform them into TiO<inf>2</inf> layers at different temperatures. After TiO<inf>2</inf> layer preparation, the polymer solar cells were fabricated via a lamination process. The resulting cells were semitransparent and generated electricity by using the incident light from both the front and back sides. These semitransparent polymer-based solar cells produced power conversion efficiencies of more than 2% by varying the TiO<inf>2</inf> layer thickness via control of the spray-LBL process and the annealing temperature.

Original languageEnglish
Pages (from-to)52427-52435
Number of pages9
JournalRSC Advances
Volume5
Issue number65
DOIs
Publication statusPublished - 2015

Fingerprint

Solar cells
Polymers
Conversion efficiency
Fabrication
Carrier transport
Poisons
Titanium
Ammonium Compounds
Temperature
Self assembly
Electricity
Annealing
Water
Costs
Polymer solar cells

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

Semitransparent polymer-based solar cells via simple wet lamination process with TiO<inf>2</inf> layer using automatic spray layer-by-layer method. / Ariyarit, Atthaporn; Manabe, Kengo; Fukada, Kenta; Kyung, Kyu Hong; Fujimoto, Kouji; Shiratori, Seimei.

In: RSC Advances, Vol. 5, No. 65, 2015, p. 52427-52435.

Research output: Contribution to journalArticle

Ariyarit, Atthaporn ; Manabe, Kengo ; Fukada, Kenta ; Kyung, Kyu Hong ; Fujimoto, Kouji ; Shiratori, Seimei. / Semitransparent polymer-based solar cells via simple wet lamination process with TiO<inf>2</inf> layer using automatic spray layer-by-layer method. In: RSC Advances. 2015 ; Vol. 5, No. 65. pp. 52427-52435.
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