![]() The values of Voc of the organic solar cells for the SM1 acceptor (1.06 V and 1.02 V without and with solvent additive) are the highest values reported for devices based on non-fullerene acceptors to the best of our knowledge. ![]() The higher value of the PCE for the SM2 based organic solar cells has been attributed to the broader absorption profile, more balanced charge transport and lower photon energy loss. The organic solar cells based on P:SM1 and P:SM2 exhibit a PCE of 4.94% and 6.11%, respectively. These SMs exhibit a broad absorption profile which is complementary to the D-A copolymer P donor and also possess an appropriate lowest unoccupied molecular orbital (LUMO) to serve as an acceptor with P with a LUMO level of -3.33 eV. The electrochemical and optical HOMO-LUMO gaps show similar trends. ![]() TCBD and DCNQ linked SM1 and SM2 exhibit multi-redox waves. If you have any further questions or clarification, please contact us on or submit a request here.Donor-acceptor-acceptor (D-A-A) type 1,8-naphthalimide based small molecules SM1 and SM2 functionalized with tetracyanobutadiene (TCBD) and dicyanoquino-dimethane (DCNQ) modules, showing strong absorption in the visible and near-infrared (NIR) region are reported. Please consult your physician prior to using the Lumo Lift sensor in close proximity to any such device. Magnets may cause electromagnetic interference when used in close proximity with sensitive devices such as Pacemakers. The Lift Sensor works along with a magnetic clasp, by design. The Lumo Lift does not buzz or provide posture feedback while in movement, during activities such as walking, running, or driving. Please note: The Lumo Lift only provides vibrational coaching feedback on posture while in stationary positions, such as sitting and standing. The Lumo Lift app also displays your history, where you can view your historical posture and step data day over day and monitor your progress over time. Good posture is determined by adherence to your set Target Posture. Read more about how to set your Target Posture in our article, How to set Target Posture
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