Buyukharman Mustafa, Yildiz Huseyin Bekir, Bakim Sumeyye, Marti Mustafa Esen
Department of Physics, Institute of Graduate Studies in Science, Istanbul University, Istanbul 34134, Turkey.
Department of Electrical-Electronics Engineering, Faculty of Engineering and Natural Sciences, KTO Karatay University, Konya 42020, Turkey.
ACS Omega. 2025 May 23;10(21):21450-21462. doi: 10.1021/acsomega.5c00164. eCollection 2025 Jun 3.
This review explores the potential of biophotovoltaic devices (BPVs) as a sustainable solution for addressing the global energy crisis and combating climate change. BPVs generate renewable electricity from sunlight and water through the photosynthetic activity of microorganisms such as cyanobacteria and algae, which act as living photocatalysts. The study essentially focuses on improving photocurrent outputs through developing efficient anode materials. An innovative photoanode design is introduced employing cyanobacteria immobilized on a P-(DTP-Ph-Pyr)/Calixarene-AuNP-modified surface. This design features a porous structure conducive to cyanobacterial attachment and efficient electron transfer. As a first step, the conductive polymeric film of 4-(4-(1H-pyrrol-1-yl)-phenyl)-4H-dithieno-[3,2-b:2',3'-]-pyrrole (DTP-Ph-Pyr) monomer was coated onto a gold electrode via electropolymerization method. Then, a mixture of thiol- and carboxylic group-modified calixarene and gold nanoparticles (AuNPs) was applied to enhance the photoelectrode's performance. The surface of the modified electrode enabled the successful immobilization of sp. cyanobacterial cells, providing a reliable interface for efficient photocurrent and hydrogen generation. Calixarenes and their derivatives act as favorable agents for cyanobacterial immobilization due to their specific configurations. Moreover, the formation of covalent bonds between the carboxyl groups of calixarenes and the amino groups in cyanobacteria facilitates the robust immobilization of cyanobacterial cells while maintaining their well-ordered structural integrity and organized cellular architecture. A complementary cathode structure, employing aniline-modified Pt nanoparticles, facilitates the reduction of protons to generate hydrogen gas. Overall, this study underscores the promise of BPVs as feasible clean energy technologies and introduces innovative methods to improve their efficiency and sustainability.
本综述探讨了生物光伏器件（BPV）作为解决全球能源危机和应对气候变化的可持续解决方案的潜力。BPV通过蓝藻和藻类等微生物的光合活动，利用阳光和水产生可再生电力，这些微生物充当活的光催化剂。该研究主要致力于通过开发高效的阳极材料来提高光电流输出。引入了一种创新的光阳极设计，将蓝藻固定在P-（DTP-Ph-Pyr）/杯芳烃-AuNP修饰的表面上。这种设计具有有利于蓝藻附着和有效电子转移的多孔结构。第一步，通过电聚合方法将4-（（4-（1H-吡咯-1-基）-苯基）-4H-二噻吩并-[3,2-b:2',3'-]吡咯（DTP-Ph-Pyr）单体的导电聚合物膜涂覆在金电极上。然后，应用巯基和羧基修饰的杯芳烃与金纳米颗粒（AuNP）的混合物来提高光电极的性能。修饰电极的表面能够成功固定蓝藻细胞，为高效光电流和氢气产生提供了可靠的界面。杯芳烃及其衍生物由于其特定的构型，是蓝藻固定的有利试剂。此外，杯芳烃的羧基与蓝藻中的氨基之间形成共价键，有助于牢固固定蓝藻细胞，同时保持其有序的结构完整性和有组织的细胞结构。采用苯胺修饰的Pt纳米颗粒的互补阴极结构有助于质子还原以产生氢气。总体而言，本研究强调了BPV作为可行的清洁能源技术的前景，并介绍了提高其效率和可持续性的创新方法。
