Browsing by Subject "Conversion"
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(2019)In the context of newly introduced secularism in Nepal, the qualitative study discuss different aspects of Nepalese society where religious tension is emerging. The objective of the study is to explore the understanding of religious leaders on secularism and their idea of religious rights. Based on interviews with these leaders (Islam, Hindu and Christian), the thesis describes how their understanding of secularism contrasted in daily life. Based on primary and secondary information, the study further deals about how religious tensions are evolving among different religious groups. Furthermore, it helps to understand how Nepalis secularism differs from western modal of secularism and explains different reasons why the ideal definition of secularism (separation of church and the state) could not be practical one in Nepalese society. The hope of religious equality beaten when the constitution barred to religious conversion. Though conversion is not allowed, different Christian organizations are conducting missionary activities. Consequently, police actions are increased against Christians on the charge of conversion. Christians are raising voice against state interference in religion. They are demanding conversion right if the state is secular. Secularism has been interpreted as a right to convert people, other features of secularism has become minor. Hindus have perceived secularism as a threat to Hinduism. Hindu nationalism emerged against secularism, it has created fear among minority groups. The thesis also explains the view of the Muslims community in the context of the rise of Hindu nationalism and missionary activities of Christians. Contestation on Secularism not only polarize people of religious groups but also political parties. Religion has become a political agenda, the demand for a referendum against secularism has become an issue of the political campaign of non-communist and pro monarch parties. These anti-secular movements are supported by Indian political parties, Indian leaders and different Hindu organizations around the world. In the end, this thesis concludes that there is a need for the interference of the state to end the dominance of Hinduism as well as protect the basic human rights of people where religion suppresses it. The state needs to support minority religious groups to flourish it. The thesis also signifies the need for interreligious dialogue among religious groups to restore harmony and tolerance.
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(2023)In recent decades, more and more attention has been paid to solar energy because of the need to ensure “green” and sustainable future. Solar cells have been treated as one of the most promising technologies for solar energy utilization. Since conversion of sunlight into electricity mainly passes through the light absorbing material (absorber), its optoelectronic properties largely determine the cell performance. Among the existing absorbers, inorganic lead-free perovskites, like CsSnI3, are of great interest due to high potential efficiency, increased stability and the absence of toxic components. However, currently used fabrication techniques limit quality of the materials and their application in large-scale production. Atomic layer deposition (ALD) is a thin film fabrication technique which is now widely used in electronics and optoelectronics. Based on the principle of sequential saturated surface reactions, it is able to provide almost atomic level control over the thickness and composition of the film. Moreover, the principle ensures the formation of uniform films on large surfaces. Since precise composition control and scalability are of great importance for efficiency of perovskite solar cells, ALD acts as an excellent tool for production of this type of absorbers. The literature review of this thesis examines perovskites as absorber material for commercially efficient solar cells. The aim is to give the reader an overview of solar cell performance, currently available absorber materials and motivation for perovskites to become promising cost-efficient solution. Additionally, the most common fabrication techniques for perovskite structures are introduced together with limitations to emphasize the expediency of further experiments. The experimental part combines development of SnI2 thin film deposition in ALD reactor with a subsequent use of the technique in conversion to perovskite for future solar cell application. Unfortunately, the applicability of SnI2 ALD with proposed chemical process became doubted due to multitude issues that arose during the investigation. However, successful results on SnI2 pulsed chemical vapor deposition (pCVD) in the same ALD reactor supported feasibility of the chemical process. Application of the optimized pCVD technique for the conversion of CsI thin films, prepared by ALD, made it possible to obtain phase-pure CsSnI3 perovskite. In addition, conversion part demonstrates that use of SnI2 pCVD allows the formation of uniform and conformal perovskite thin films with promising band gap of 1.7 eV.
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