TY - JOUR
T1 - Scalable Fabrication of RGB-Color, Semi-Transparent DSSC Modules Enabled by a Printable Compact TiO2 Blocking Layer
AU - Kang, Hyeong Cheol
AU - Yoo, Kicheon
AU - Kim, Jae Cheon
AU - Asiam, Francis Kwaku
AU - Kaliamurthy, Ashok Kumar
AU - Park, Jongdeok
AU - Lee, Jae Joon
N1 - Publisher Copyright:
© 2025 Elsevier Ltd
PY - 2025/10
Y1 - 2025/10
N2 - We report the development of a screen-printable compact TiO2 blocking layer (sp-BL) optimized for semi-transparent dye-sensitized solar cell (DSSC) modules. The sp-BL enables uniform and reproducible film formation, effective interfacial contact, and suppressed interfacial recombination, offering improved photovoltaic performance and scalability compared to conventional blocking layers. Using the sp-BL along with tailored mesoporous TiO2 and a screen-printed Pt counter electrode, large-area DSSC modules (100.8 cm2) were fabricated in red, green, and blue variants. These modules exhibited power conversion efficiencies (PCEs) ranging from 4.1 % to 7.0 %, average visible transmittance (AVT) values around 30 % and up to 52 % depending on design, and light utilization efficiency (LUEs) up to 2.1 %. The cell-to-module efficiency losses were limited to 11–16 %, confirming the effectiveness of the screen-printing strategy for scalable fabrication of color-tunable, semi-transparent DSSC modules suitable for building-integrated photovoltaic application.
AB - We report the development of a screen-printable compact TiO2 blocking layer (sp-BL) optimized for semi-transparent dye-sensitized solar cell (DSSC) modules. The sp-BL enables uniform and reproducible film formation, effective interfacial contact, and suppressed interfacial recombination, offering improved photovoltaic performance and scalability compared to conventional blocking layers. Using the sp-BL along with tailored mesoporous TiO2 and a screen-printed Pt counter electrode, large-area DSSC modules (100.8 cm2) were fabricated in red, green, and blue variants. These modules exhibited power conversion efficiencies (PCEs) ranging from 4.1 % to 7.0 %, average visible transmittance (AVT) values around 30 % and up to 52 % depending on design, and light utilization efficiency (LUEs) up to 2.1 %. The cell-to-module efficiency losses were limited to 11–16 %, confirming the effectiveness of the screen-printing strategy for scalable fabrication of color-tunable, semi-transparent DSSC modules suitable for building-integrated photovoltaic application.
KW - Average visible transparency
KW - Building integrated photovoltaics (BIPVs)
KW - Compact TiO layer
KW - Dye-sensitized solar cells
KW - Large-area
UR - https://www.scopus.com/pages/publications/105011203216
U2 - 10.1016/j.mtener.2025.101987
DO - 10.1016/j.mtener.2025.101987
M3 - Article
AN - SCOPUS:105011203216
SN - 2468-6069
VL - 53
JO - Materials Today Energy
JF - Materials Today Energy
M1 - 101987
ER -
