Study on water/ethanol-soluble naphthalene diimide (NDI)-based conjugated polymers for eco-friendly all-polymer solar cells = 물/에탄올에 용해 가능한 나프탈렌 다이이미드 계열의 전도성 고분자 소재 개발 및 친환경 전-고분자 유기태양전지로의 응용에 관한 연구

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The use of toxic halogenated solvents, commonly used in the manufacture of polymer solar cells (PSCs), are highly detrimental to humans and the environment, and is a major constraint on commercial use. In this context, we synthesized a series of water/ethanol-soluble naphthalene diimide (NDI)-based polymers and utilized them in the photoactive and electron transporting layers (ETLs) in PSCs. To ensure sufficient solubility in the eco-friendly solvents, hydrophilic olygoethylene glycol (OEG) side chains were introduced, and consequently three novel polymers (P(NDIDEG-T), P(NDITEG-T), and P(NDITEG-T2)) having different lengths of the side chain or the backbone structures were synthesized. When P(NDIDEG-T), which has the shortest OEG side chain, was used as the electron acceptor in the photoactive layer, a remarkable power conversion efficiency (PCE) of 2.15% was achieved. Interestingly, the PSC devices maintained more than 90% of the initial performance in the ambient condition even after 4 days
Advisors
Kim, Bumjoonresearcher김범준researcher
Description
한국과학기술원 :생명화학공학과,
Publisher
한국과학기술원
Issue Date
2019
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 생명화학공학과, 2019.2,[iv, 45 p. :]

Keywords

eco-friendly solution process▼aaqueous solvents▼aoligoethylene glycol-based conjugated polymers▼anaphthalene diimide-based conjugated polymers▼aorganic solar cells; 친환경 용액 공정▼a수용성 용매▼a올리고에틸렌글라이콜 기반 전도성 고분자▼a나프탈렌 다이이미드 기반 전도성 고분자▼a유기태양전지

URI
http://hdl.handle.net/10203/266297
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=843736&flag=dissertation
Appears in Collection
CBE-Theses_Master(석사논문)
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