Novel cathode interfacial layer using creatine for enhancing the photovoltaic properties of perovskite solar cells

Kim, Guan‐Woo; Choi, Yelim; Choi, Han Suk; Min, Jiyoung; Park, Jin Young; Song, Seulki

doi:10.1039/d0ta08239b

Cited by 33 publications

(28 citation statements)

References 49 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The obtained PCE is the highest among the biomaterial‐enhanced PSCs reported thus far (Figure 5e; Table S5, Supporting Information). [ 23,61–73 ] Moreover, to the best of our knowledge, this is the first time that the PCE of a biomaterial‐enhanced PSC was certified.…”

Section: Resultsmentioning

confidence: 94%

See 1 more Smart Citation

Genetic Manipulation of M13 Bacteriophage for Enhancing the Efficiency of Virus‐Inoculated Perovskite Solar Cells with a Certified Efficiency of 22.3%

Han

Kim

Nam

et al. 2021

Advanced Energy Materials

View full text Add to dashboard Cite

Perovskite solar cells (PSCs) are considered to be one of the most promising solar energy harvesters owing to their high power conversion efficiency (PCE). To increase their PCE even further, additives are used; however, some of these additives pose certain disadvantages, which limit their applications to PSCs. Therefore, in this study, the nature‐inspired ecofriendly M13 bacteriophage is genetically engineered to maximize its performance as a perovskite crystal growth template and as a passivator for PSCs. The genetic manipulation of the M13 bacteriophage enhances the Lewis coordination between the perovskite materials and single‐stranded virus by amplifying a designated amino acid group. Among the 20 types of amino acids, lysine (Lys or K), arginine (Arg or R), and methionine (Aug or M) exhibit the strongest interaction with the perovskite materials. Results suggest that the K‐amplified genetically engineered M13 bacteriophage is the most effective. The K‐type M13 virus‐inoculated PSCs yield a PCE of 23.6% in the laboratory. This device, when taken to a national laboratory for verification, exhibits a certified forward and reverse bias‐combined efficiency (22.3%), which, to the best of the authors’ knowledge, is one of the highest efficiencies reported among the biomaterial‐based PSCs.

show abstract

Section: Resultsmentioning

confidence: 94%

“…e) Efficiency and year when the respective perovskite solar cells supplemented with bio‐material additives were reported. [ 23,62–74 ]…”

Section: Resultsmentioning

confidence: 99%

Genetic Manipulation of M13 Bacteriophage for Enhancing the Efficiency of Virus‐Inoculated Perovskite Solar Cells with a Certified Efficiency of 22.3%

Han

Kim

Nam

et al. 2021

Advanced Energy Materials

View full text Add to dashboard Cite

show abstract

“…We first examined PSCs with spiro‐OMeTAD (Figure 5j). However, owing to its thermal instability of spiro‐OMeTAD material, the PSCs were quickly degraded after 100 h. [ 57,58 ] Therefore, we fabricated PSCs employing PTAA, which is known to be more thermally stable. [ 59,60 ] The PSCs with IDTT‐ThCz additive maintained 95% of their initial efficiencies compared to bare PSCs which retained only 85% of initial efficiency.…”

Section: Resultsmentioning

confidence: 99%

A Facile Surface Passivation Enables Thermally Stable and Efficient Planar Perovskite Solar Cells Using a Novel IDTT‐Based Small Molecule Additive

Choi

Liu

Kim

et al. 2021

Advanced Energy Materials

Self Cite

View full text Add to dashboard Cite

Although perovskite solar cells (PSCs) have attracted enormous attention owing to their fascinating optoelectronic properties and solution processability, defects in PSCs, which adversely affect efficiency and stability, are still not completely resolved. Herein, a novel indacenodithieno[3,2‐b]thiophene‐based small molecule (SM) additive (IDTT‐ThCz), capable of interacting with perovskite layers, is developed. In particular, the IDTT‐ThCz, which can perform a surface passivation, is introduced into the perovskite layer to significantly suppress perovskite defects via antisolvent treatment. Furthermore, this facile surface passivation not only significantly improves the charge extraction capability, but also prevents perovskite degradation. The IDTT‐ThCz‐treated PSCs exhibits a power conversion efficiency (PCE) of 22.5% and retains 95% of its initial PCE after 500 h storage under thermal condition (85 °C), representing the most remarkable efficiency as well as stability among the SM additives reported to date.

show abstract

“…In contrast, the cross section of the perovskite layer deposited on the Cl-indole-modified SnO 2 is composed of large grains with vertical orientation, which will facilitate the transport and collection of carriers. [28,29] This may be because the introduction of the modified layer effectively improves the crystallinity of the perovskite film, which will enhance the stability of the PV performance of the device. The roughness of the perovskite on SnO 2 films without and with modifications is investigated by atomic force microscopy (AFM).…”

Section: Resultsmentioning

confidence: 99%

5‐Chloroindole as Interface Modifier to Improve the Efficiency and Stability of Planar Perovskite Solar Cells

Wang

et al. 2022

Solar RRL

View full text Add to dashboard Cite

Interface engineering has been proven to be an effective method to improve the performance and stability of perovskite solar cells (PSCs). Herein, 5‐chloroindole (Cl‐indole) is introduced into the interface of a SnO2 electron transport layer and perovskite light‐absorbing layer to improve the photovoltage performance of the device. The results show that Cl−indole can not only form hydrogen bonds with iodine in the perovskite to optimize the interface contact but also coordinate and passivate the Pb2+ and Sn4+ interface defects to alleviate carrier nonradiative recombination. Compared with the pristine SnO2‐based planar PSCs with a power conversion efficiency (PCE) of 20.58%, the Cl−indole‐modified SnO2‐based device achieves a PCE of 22.47%. Meanwhile, the stability of the modified device is effectively improved and the hysteresis effect is reduced. This work demonstrates a promising strategy for high‐efficient and stable PSCs by optimizing interface contact and passivating interface defects.

show abstract

Novel cathode interfacial layer using creatine for enhancing the photovoltaic properties of perovskite solar cells

Abstract: With the unprecedented development in perovskite solar cells (PSCs), various interlayers have been investigated. Interlayers have diverse roles in shifting the energy levels, attracting and extracting charges, and passivating surface...

Cited by 33 publications

References 49 publications

Genetic Manipulation of M13 Bacteriophage for Enhancing the Efficiency of Virus‐Inoculated Perovskite Solar Cells with a Certified Efficiency of 22.3%

Genetic Manipulation of M13 Bacteriophage for Enhancing the Efficiency of Virus‐Inoculated Perovskite Solar Cells with a Certified Efficiency of 22.3%

A Facile Surface Passivation Enables Thermally Stable and Efficient Planar Perovskite Solar Cells Using a Novel IDTT‐Based Small Molecule Additive

5‐Chloroindole as Interface Modifier to Improve the Efficiency and Stability of Planar Perovskite Solar Cells

Contact Info

Product

Resources

About