Thiadiazole Fused Subporphyrazines as Acceptors in Organic Photovoltaic Cells

Abstract

A series of archetypal photovoltaic cells with a fully-subporphyrinoid planar heterojunction was fabricated by the thermal vacuum evaporation technique. The donor component of this junction wasКлючевые слова: Субфталоцианины, перфторированные и 1,2,5-тиадиазол-аннелированные аналоги, субпорфиразины, тонкие плёнки, молекулярные гетеропереходы, фотовольтаические ячейки.

Photovoltaic Effect in Isotype Phthalocyanine Heterojunctions

“…The latter value is comparable to those reported in the literature for similar photovoltaic cells. [1,19,22] The short circuit current J sc largely increases compared to the parent device with SnPc/SubPc junction, but its absolute value is still very low ( Table 1). The most likely reasons are the non-optimized thickness of layers and the absence of the appropriate buffer at the ITO/SubPcF 12 interface.…”

“…The devices were fabricated using the vacuum techniques as described earlier. [19][20][21] Tin phthalocyanine (SnPc), lead phthalocyanine (PbPc) and boron chloride subphthalocyanine (SubPc) were purchased from Aldrich and used as received (Scheme 1). In some experiments, we used a subphthalocyanine derivative fully fluorinated on periphery (SubPcF 12 [1] ), which was synthesized and purified at ISUCT.…”

“…In some experiments, we used a subphthalocyanine derivative fully fluorinated on periphery (SubPcF 12 [1] ), which was synthesized and purified at ISUCT. [19] Standard Aldrich ITO coated glass slides served as substrates. The MetPc/SubPc bilayer (or its analogues) deposited in different sequences was sandwiched between the bottom ITO/MoO x and top MoO x /Ag/MoO x electrode.…”

Molecular optical filtering in perovskite solar cells

“…Archetypal perovskite solar cells with a scheme shown in Fig. 2 were obtained by vacuum thermal evaporation on a modernized VUP-5 M setup at residual pressure of 10 -6 Torr and then investigated in line with the experimental protocols of our earlier studies [2,[18][19][20]. The schematic of the cells is similar to that obtained very recently in [21] using fully vacuum-based processes, except for the HTL material.…”

“…1). This dye is easily sublimated in vacuum at relatively low temperatures (about 120 °C) and can be deposited on various substrates, yielding uniform smooth films with a thickness of a few nanometers or more [18].…”