논문 (학술지)
UV-Blocking and Transparent Polydimethylsiloxane Film for Improving Stability of Perovskite Photovoltaics
등록번호 | - | SCI 구분
?
※구분 : SCI(SCIE포함), 비SCI |
SCI |
---|---|---|---|
저자명 (주·공동저자) | 이한빈; 이성훈; 김효정 ※ 과제 참여정보와 일치하는 연구자 상세정보로 정확하지 않을 수 있습니다. 동일저자 논문보기 |
||
논문구분 | 국외전문학술지 | 학술지명 | ACS applied optical materials |
ISSN | 2771-9855 | 학술지 출판일자 | 2023-07-28 |
학술지 볼륨번호 | 1(7) | 논문페이지 | 1208 ~ 1216 |
학술지 임팩트팩터 | 6.4 | 기여율 | 100 % |
DOI | https://doi.org/10.1021/acsaom.3c00002 | ||
초록 | Long-term stability of high-power conversion efficiency (PCE) against UV degradation is imperative to commercialize organometallic halide perovskite solar cells (PSCs). This degradation problem can be solved by blocking UV light, but it leads to a decrease in the PCE due to the decrease in the total amount of absorbed light in the PSC devices. Here, we propose a facile strategy for this challenging problem by attaching textured and UV-blocking bilayer PDMS films with a gradient refractive index onto the glass of PSC devices. We fabricated a gradient-refractive-indexed PDMS film by adopting a two-layer structure?a pure PDMS layer and a UV blocker (2,2′-dihydroxy-4-methoxy benzophenone)-added PDMS layer. The two-layer structure of PDMS films blocked the UV region (>380 nm) and increased the average transmittance by 1.8% at 600?800 nm due to the gradient refractive index. Additionally, the two-layered PDMS films were surface-textured by pattern replication from chemically etched Si surfaces. Surface texturing improved the average transmittance by 4.11% in the visible region as compared to that for the pure-flat PDMS film. The final PDMS film exhibited blocking of light >380 nm and enhanced absorption in the 400?800 nm region. As a result, MAPbI3 PSCs with a surface-textured bilayer PDMS film showed 0.8% higher PCE than did pristine devices. The PCE of the encapsulated device maintained over 90% of its initial performance after 240 h at 55% relative humidity under outdoor conditions and delivered 87% device performance even with additional UV irradiation after 240 h. |
연구개발성과 등록 또는 활용에 대한 문의는 논문 연구개발성과 담당자를 통해 문의하시기 바랍니다.
[문의] 한국과학기술정보연구원 Tel : 042)716-7066, https://curation.kisti.re.kr/
- NTIS 관련 이용문의는 NTIS 콜센터(042-869-1115)로 문의하시기 바랍니다.
NTIS의 논문 정보는 국가연구개발사업 수행을 통해 발생된 성과로, 조사분석 등을 통해 입력된 정보를 수집 및 제공하고 있어, 출판사 또는 논문 정보 제공 사이트(Scienceon, RISS 등)에서 일괄 제공하는 논문 정보와 차이가 있을 수 있습니다.