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2D MXene Additive-Induced Treatment Enabling High-Efficiency Indoor Organic Photovoltaics

Saeed, Muhammad Ahsan (författare)
Korea Univ, Sch Elect Engn, Seoul 02841, South Korea.
Kim, Tae Hyuk (författare)
Korea Univ, Sch Elect Engn, Seoul 02841, South Korea.
Ahn, Hyungju (författare)
POSTECH, Pohang Accelerator Lab, Pohang 37673, South Korea.
visa fler...
Park, Na Won (författare)
Ewha Womans Univ, Dept Chem & Nanosci, Seoul 03760, South Korea.
Park, JaeHong (författare)
Ewha Womans Univ, Dept Chem & Nanosci, Seoul 03760, South Korea.
Choi, Hyosung (författare)
Hanyang Univ, Dept Chem, Seoul 04763, South Korea.;Hanyang Univ, Res Inst Convergence Basic Sci, Seoul 04763, South Korea.
Shahzad, Asif (författare)
Uppsala universitet,Fasta tillståndets fysik
Shim, Jae Won (författare)
Korea Univ, Sch Elect Engn, Seoul 02841, South Korea.
visa färre...
Korea Univ, Sch Elect Engn, Seoul 02841, South Korea POSTECH, Pohang Accelerator Lab, Pohang 37673, South Korea. (creator_code:org_t)
2022-10-31
2023
Engelska.
Ingår i: Advanced Optical Materials. - : Wiley-VCH Verlagsgesellschaft. - 2162-7568 .- 2195-1071. ; 11:1
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • The surge of Internet-of-everything applications over the past decade demands the adoption of novel material design and device engineering strategies for the development of state-of-the-art organic photovoltaics (OPVs) in low-light indoor environments. Owing to their excellent optoelectronic properties, two-dimensional MXenes possess outstanding potential in this regard. Herein, an unprecedented indoor power conversion efficiency (PCE) of 33.8% under light-emitting-diode (LED) illumination (1000-lx) is secured by additive-induced treatment of MXene in polymer-donor:non-fullerene-acceptor-based organic photoactive layer. The remarkable indoor performance of MXene OPVs mainly originates from the enhanced absorption, compact molecular packing, and smooth surface morphology with a reduced number of grain boundaries in the photoactive layer, resulting in an improved fill factor and balanced charge transport and extraction characteristics with suppressed recombination, thereby producing an impressive indoor PCE. In addition, the presence of MXene in the photoactive layer facilitates polaron-pair dissociation owing to improved free-charge generation, leading to enhanced photoconductivity. This performance represents the highest PCE among the OPVs measured under indoor illumination. This work highlights the promising prospect of 2D MXene and its composites for indoor light energy harvesting applications.

Ämnesord

NATURVETENSKAP  -- Kemi -- Materialkemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Materials Chemistry (hsv//eng)

Nyckelord

additive engineering
high efficiency
indoor organic photovoltaics
photoactive layer doping
titanium-carbide MXenes

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