2024年11月1日 · We developed a strategy for preparing nanoporous bulk-heterojunction (np-BHJ) films at a large area by nonsolvent-induced phase separation assisted by thermoplastic polyurethane. The resulting np-BHJ can form much improved adhesive interfaces with a neighbored stretchable layer in OPV devices and effectively dissipate applied mechanical stress.

2021年8月10日 · Graded bulk-heterojunction (G-BHJ) with well-defined vertical phase separation has potential to surpass classical BHJ in organic solar cells (OSCs). In this work, an...

2021年1月20日 · In the past few years, bulk heterojunction (BHJ) architecture has gained great success in OSC based on polymeric donors and fullerene-derived acceptors 4, which circumvents the short...

2021年5月20日 · The IPCE spectrum taken at 1.23 V RHE (Fig. 4a) reaches values of over 25% and matches well with the BHJ absorption spectrum (Supplementary Fig. 17b), confirming that the water oxidizing ...

2024年4月1日 · In order to further explore the effect of BHJ layer on the stability of perovskite, the surface hydrophobicity of perovskite thin film, perovskite/PC 61 BM and perovskite/BHJ thin film was tested respectively (Fig. S5). The perovskite/BHJ thin film has the largest contact angle and the enhanced hydrophobicity is conducive to the improvement of ...

... basic device architecture of a BHJ solar cell is shown in Fig. 1, where the active layer (donoreacceptor blend) is defined by an interpenetrating network of donor and acceptor components...

The band structure of this BHJ is displayed in Fig. 4a for the p-stacked direction from C to X ¼ ð0; p=b; 0Þ and for the p-conjugated backbone direction from C to X 0 ¼ ð0; 0; p=cÞ.

In a typical BHJ device architecture (Figure 1 b), a nanoscale bi-continuous network is obtained by mixing an electron donor and an electron acceptor in a common solvent and then spin-casting it...

called BHJ (Bulk HeteroJunction) [13]-[17] (Fig. 2). In a typical case, the active layer is composed of grains of donor (D) and acceptor (A). The characteristic grain size is of the order of tens of nanometers. This makes the area of D-A contact to be large and generated exciton can get the border with an acceptor with high probability. It’s

2023年8月1日 · The bulk heterojunction (BHJ) structure, derived by blending donor and acceptor materials in a single solution, has dominated in the construction of active layer, but its morphological evolution during film formation poses a great challenge for obtaining an ideal nanoscale morphology to maximize exciton dissociation and minimize nongeminate ...