Results 181 to 190 of about 11,214 (233)

Single‐Chromophore Homojunction Organic Solar Cells: A Path to Simplicity and Efficiency

open access: yesAdvanced Materials, EarlyView.
This perspective discusses how the intrinsic optoelectronic properties of organic semiconductors, their molecular packing in the solid‐state, and internal energetic gradients within a device can enable free‐charge carrier generation in homojunction organic solar cells.
Shaun McAnally   +2 more
wiley   +1 more source

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

open access: yesAdvanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source
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Learned HELPLESSNESS

Journal of Gerontological Nursing, 1989
It is unclear whether passive and dependent behaviors in nursing home residents represent an adaptive response with an intact sense of personal autonomy, or the loss of control that leads to learned helplessness.
J, LeSage   +3 more
openaire   +3 more sources

On learned helplessness

Integrative Physiological & Behavioral Science, 2002
"Learned helplessness" and its Pavlovian analog, learned irrelevance, are phenomena thought integral to understanding depression, PTSD, psychosomatic vulnerability, and a variety of diseases and immune disorders. The origin and development of research on learned helplessness is briefly overviewed with attention to the reasons for the controversy that ...
openaire   +2 more sources

Learned Helplessness

1993
Abstract The psychological syndrome of learned helplessness is a uniquely modern phenomenon, deeply rooted in cultural concepts of personal power and security. This timely and valuable work examines learned helplessness with reference to the salient emphases in contemporary culture of individuality and personal control.
Christopher Peterson   +2 more
openaire   +1 more source

Learned Helplessness

Personality and Social Psychology Bulletin, 1984
This study examined the mediating influence of internal-external attribution style and comparative performance information on responses to task success and failure. Subjects classified as exhibiting either an internal or external attribution style were induced to either succeed or fail on an initial task and then attempted a second, solvable task.
Janet Moore   +2 more
openaire   +1 more source

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