Reduction of crack formation in TiO 2 mesoporous films prepared from binder-free nanoparticle pastes via incorporation of electrospun SiO 2 or TiO 2 nanofibers for dye-sensitized solar cells

Synthesis of Hierarchical TiO2–C3N4 Hybrid Microspheres with Enhanced Photocatalytic and Photovoltaic Activities by Maximizing the Synergistic Effect

“…[40] AD SSC with aT iO 2 -C 3 N 4 (ST) photoanode displayed ah igh PCE of 5.17 %, which was 2.0 and 6.5 times higher than the PCEs obtained by DSSCs with TiO 2 -C 3 N 4 (PS) and TiO 2 -C 3 N 4 (PM), respectively.T he high photovoltaic activity of the TiO 2 -C 3 N 4 (ST) photoanode is superior or comparable to most reported state-of-the-arth ighly active photoanodes ( Ta ble 2). [41][42][43][44][45][46][47][48][49][50][51][52] Only multichannel ZnO nanowirea rrays displayed ah igher photovoltaic activity than our TiO 2 -C 3 N 4 (ST) microspheres;h owever,t hesea rrays suffered from complex preparation procedures. [49] Additionally,t he DSSC with aT iO 2 -C 3 N 4 (ST) photoanodeh ad ah igher PCE than those of DSSCs with P25-TiO 2 and TiO 2 microspheres as photoanodes, partially attributable to the enhanced dye adsorption resulting from the larger specific surface area and microspherical morphology.B ased on the UV/Vis spectra of the absorbed N719 dye on different photoanodes ( Figure S7), the amounts of the absorbed dye on the P25-TiO 2 , TiO 2 microspheres, TiO 2 -C 3 N 4 (ST) photoanodesw ere1 .00 10 À7 ,1 .33 10 À7 ,a nd 1.79 10 À7 mol cm À2 ,r espectively.T he amount of the absorbed N719 dye on TiO 2 microspheres was comparable to that of reported TiO 2 microspheres, [53] suggesting ar eliable comparison of dye adsorption capability in this study.T he enhanced N719 dye adsorption capability of TiO 2 -C 3 N 4 (ST) contributed somewhat to the higher PCE of the DSSCs with aT iO 2 -C 3 N 4 (ST) photoanode.…”

“…A DSSC with a TiO 2 –C 3 N 4 (ST) photoanode displayed a high PCE of 5.17 %, which was 2.0 and 6.5 times higher than the PCEs obtained by DSSCs with TiO 2 –C 3 N 4 (PS) and TiO 2 –C 3 N 4 (PM), respectively. The high photovoltaic activity of the TiO 2 –C 3 N 4 (ST) photoanode is superior or comparable to most reported state‐of‐the‐art highly active photoanodes (Table ) . Only multichannel ZnO nanowire arrays displayed a higher photovoltaic activity than our TiO 2 ‐C 3 N 4 (ST) microspheres; however, these arrays suffered from complex preparation procedures …”

Oxygen vacancies and interfaces enhancing photocatalytic hydrogen production in mesoporous CNT/TiO2 hybrids

“…Amongst the possible synthetic routes to produce such a structure, the combination of sol-gel and electrospinning is particularly attractive. In this method, a polymer used as vehicle for spinning keeps the sol units agglutinated in close proximity, and, upon annealing, it produces a crystalline porous structure [21,22]. When spun in the presence of nanocarbons, the resulting structure is an inorganic matrix hosting a small fraction of nanocarbon [23], which, by being embedded in it, shares a large interface with the inorganic component.…”

Fabrication of Flexible Dye‐Sensitized Solar Cell Modules using Commercially Available Materials

“…In comparison, the film thickness produced by doctor‐blade printing is much more uniform. In addition, it has been reported that cracks are easily formed in thick films without organic binders . More macro‐cracks are indeed observed in films made of 35 and 36 wt % solid content TiO 2 paste (Figure S1, Supporting Information).…”

“…In addition, it has been reported that cracksa re easily formed in thick films withouto rganic binders. [45][46][47][48][49] More macro-cracksa re indeed observed in films made of 35 and 36 wt %s olid content TiO 2 paste ( Figure S1, Supporting Information).…”